ITSP 135 Comtia A+ chap 1-10

Dakota uses a power supply tester to examine the power supply on a friend's desktop computer that is exhibiting problems. The tester measured a 7 V reading from the +12 V output.Which devices are most likely to be affected by this deficiency? Select two.

Graphics cards Correct. Graphic cards draw the most power, they draw from the +12 V output. SATA Drives Correct. Some older SATA drives require 12 V.

Tomi buys a CPU from a computer store. The retail box references the amount of L1 cache in the list of features. What is it referring to?

The amount of memory residing directly on the processor die

What has occurred if you see the message, "Chassis Intruded! System has halted." the next time you start your computer?

The case has been opened Correct. The intrusion detection alert feature in the BIOS/UEFI was triggered by opening the locked case.

Gina is upgrading your computer with a new processor. She installs the processor into your motherboard and adds the cooling system. She powers up the computer, and it begins to boot but then shuts down.What could be the cause of this problem?

Thermal compound was not used. Correct. Gina forgot to add thermal compound, and the processor is overheating. Thermal compound is applied to create an air-tight seal between the processor and the heat sink. If thermal compound is not applied, the CPU will overheat, and the computer will shut down.

Your laptop at home is exhibiting intermittent problems and you suspect it could be related to power.How can you verify the power adapter is supplying the proper voltage?

Use a multimeter. Place the red probe of the multimeter in the center of the DC connector and the black probe on the outside cylinder.Correct. But first set the multimeter to measure voltage in the 1 - 200 V DC range or similar.

You are troubleshooting a serious issue for a friend because their computer does not boot up properly.What method should be employed to ensure the user's data is protected?

Connect the drive to another computer and copy the data to another storage media.

Brandon purchased a new processor online for an upgrade. When he purchased the processor, he made sure that it used the same socket his computer's motherboard used. But he did not check to see whether the motherboard chipset was compatible. What will happen if you install a processor on a motherboard that can fit the socket but is the wrong chipset?

Damage to both the processor and the motherboard. Correct. Installing a processor that fits the socket of a motherboard but is not compatible with the motherboard's chipset can damage both the processor and the chipset. You need to make sure the processor is compatible with the chipset before installing and testing the processor.

What type(s) of port transmits both digital audio and digital video with a single connector? Select all that apply.

DisplayPort Correct. DisplayPort transmits both digital video and audio, but not analog transmissions. DisplayPorts are slowly replacing older ports, such as VGA and DVI ports. HDMI Correct. HDMI or High-Definition Multimedia Interface ports transmit digital video and audio, but not analog transmissions. HDMI connections are commonly found in home theater equipment and as ports on both laptop and desktop computers.

You need to fix a system that sometimes hangs during the boot process. In addition, it also hangs at random times after booting successfully. What could be a possible remedy?

Flash the BIOS/UEFI Correct. Flashing the BIOS/UEFI or updating the firmware may resolve system hangs.

You are asked to install a new high-end graphics card. In which motherboard slot should you install it?

PCI Express 5.0 x16 Correct. The PCI Express 5.0 x16 slot would make use of all data lanes and would be the best choice. It supports up to 63 GB/sec for 16 lanes.

A network technician is on a service call at a remote residential location. He forgot to take some Ethernet cables and needs to make one.What type of connector will he need on both ends of the cable?

RJ-45 Correct. A RJ-45 connector connects a network cable to a network port.

Jose is about to upgrade the processor in a computer. What should he do first?

Update the firmware on the motherboard if needed. Correct. Check the manufacturer's website to determine if the firmware needs to be updated. If required, update the firmware before changing the CPU.

Your manager wants you to build a custom computer for a dedicated application. Which of the following is NOT a factor that needs to be considered?

What operating system will be installed?

What is the very first step that should be taken when performing work with a computer?

You should back up any important data. Correct. Always back up important data before working with a computer. If you have a problem, you may not be able to recover the data.

What type of socket ensures that even force is applied when a processor is being installed in the socket?

ZIF Correct. ZIF, or zero insertion force socket, ensures that even force is applied when the processor is being installed in the socket. This is a feature on modern motherboards for both Intel and AMD processors.

A technician has connected a USB printer to a workstation and shared the printer on the local workstation for other users on the network to utilize. The technician successfully printed a test print from the printer's console and the workstation that the printer is physically connected to. After leaving the customer's site, the technician received a call from the customer stating no one other than the local user can print to the printer. Each time they attempt to print, they receive an "Access Denied" message.Which of the following is the most likely reason the other users cannot print?

The other users lack sufficient permissions for the shared printer. Correct. Permission settings affect a shared printer and who will have access to the printer. The network users will need to have an account and permissions set on the workstation performing the share.

A user contacted the help desk to report that the laser printer in his department is wrinkling the paper when printed. The user checked the paper in the supply tray, and it is smooth and unwrinkled. Which of the following is the most likely reason for the wrinkled paper? (Select TWO.)

The paper does not meet the requirements for the printer. Correct. If paper is too thin, it can crease when running through the printer. Check the paper specifications for the printer. The paper is damp when run through the printer. Correct. Damp paper can crease when run through a printer and can cause jams. Paper that is damp can also exhibit image quality problems such as blotchy prints.

A user contacted the help desk to report that the laser printer in his department is wrinkling the paper when printed. The user checked the paper in the supply tray, and it is smooth and unwrinkled.Which of the following is the most likely reason for the wrinkled paper? (Select TWO.)

The paper does not meet the requirements for the printer. Correct. If paper is too thin, it can crease when running through the printer. Check the paper specifications for the printer. The paper is damp when run through the printer. Correct. Damp paper can crease when run through a printer and can cause jams. Paper that is damp can also exhibit image quality problems such as blotchy prints.

The laser printer in your accounting department is printing faded prints that are getting lighter over time. What is the most likely reason for the faded prints?

The printer is low on toner. Correct. Faded prints are usually caused by low toner. The toner cartridge should be replaced.

Li, a helpdesk technician, is troubleshooting a system. Based on experience, Li has narrowed down the problem and believes it is related to either the motherboard, processor, or RAM.Which symptoms would have allowed Li to narrow down the problem? Select three.

The system reports less memory than is installed.Correct. When the system reports less memory than is installed it could indicate faulty RAM or RAM that is not properly seated. Ensure all memory modules are properly seated, use the Memory Diagnostic Tool, and/or replace all memory modules as needed. The system begins to boot but then powers down.Correct. This could be due to overheating. Ensure all fans are operational, particularly the CPU fan. If the problem persists, try applying fresh thermal paste. An error message is displayed while booting.Correct. Error messages displayed during the boot cycle should be investigated. Search online for information about the error message. Pay special attention to results that relate to the motherboard or processor.

You are able to successfully install new DIMMs with a data path that have 72 bits in a server using a 64-bit processor. Which of the following is true regarding this scenario?

The system will run as expected with no problems at all Correct. Error correction code (ECC) memory has a data path that is 72 bits. Installing ECC memory on a motherboard that supports it will allow the system to power up and run as expected with no problems.

A user is asking her smartphone to recommend a restaurant. But even though the cellular service is active and functioning properly, the app seems unable to determine its whereabouts. What is the first thing the user should check?

The user should verify location services is enabled on the smartphone. Correct. Location-aware apps rely on location services. This setting should be checked first.

What characteristics do the 10.0.0.1/24, 172.16.0.2/24, and 192.168.0.3/24 IP addresses have in common? Select three.

They are private IP addresses. Correct. The range of private IP addresses is 10.0.0.0 - 10.255.255.255, 172,16.0.0 - 172.31.255.255, and 192.168.0.0 - 192.168.255.255. They can be used internally by any organization and will not create a conflict because they are not routable. They are not routable by the ISP. Correct. Private IP addresses are not routable and can be used internally by any organization. If an ISP router encounters a packet with any one of these addresses, it will drop the packet (not forward it). They all have the same subnet mask. Correct. The /24 is using the CIDR notation. This means that the first 24 bits of the address represent the network portion. It is an alternate way of representing the subnet mask which is used to help computers determine if the destination device is on the local network or on another network.

Bayley wants to connect a new external hard drive to his Windows PC. He wants the fastest connection type available because he plans to edit video directly to and from the external hard drive.Which connection type should Bayley use to get the fastest connection possible?

Thunderbolt 3 Correct. Thunderbolt 3 max speed is 40 Gbps.

A technician has verified that a bad Cat6 cable run in the wall is responsible for a workstation's lack of communication on the network. Which of the following tools can be used to pinpoint the location of the cable inside the wall?

Toner probe Correct. The toner probe (also called tone generator and probe) is used to locate copper cable runs in walls and at their termination points.

Kiran realizes her iPhone has no battery power. She needs to make an emergency call and starts charging it. When she turns around, her two-year-old grabs the phone and starts running into the kitchen. She chases him so he tries to hide it in the sink, but it lands in a pot full of water. What should Kiran do with the wet iPhone?

Try charging the phone anyway

Cathy is planning to purchase a new audio and video editing workstation to make computer training videos at work. In addition, she wants the ability to back up her large video files relatively quickly but not over the network to help preserve bandwidth. She does not exactly know or understand the type of devices she needs.What types of components would you recommend? (Select all that apply.)

Two 4TB SATA 3 Drives Correct. Cathy will need a lot of storage. Raw video footage uses a lot of storage capacity. Also because of their size, she will want to have fast access when loading large video files. 32 GB of DDR 4 RAM Correct. Video editing software requires a lot of RAM. Cathy needs as much RAM as her system supports. High-end sound card Correct. Cathy will want a high-quality sound output for the workstation. This will allow her to hear clearly everything recorded on the video. Blu-ray burner Correct. A Blu-ray burner will allow Cathy to transfer the video so that it can be played. On average, a 25GB Blu-ray disk can hold 135 minutes of HD video.

You want to add another layer of security to your bank account so that when you log in with a username and password, it sends a pin to your phone. What must you configure to enable this functionality?

Two-factor authentication Correct. Two-factor authentication requires two different types of authentication to verify your identity. The password is something you know, the pin is something you have (the phone where the pin is displayed).

Nikita attempts to install a hypervisor on her laptop. When she tries to create a virtual machine an error message suggests that virtualization is not supported. Where can she check to see if virtualization is enabled?

UEFI/BIOS Correct. Access the motherboard BIOS/UEFI to enable virtualization as needed.

Juniper wants to buy her father a tablet. He has relatively poor vision, so she does not want him to have to worry about the orientation of the plug on the cable when he charges the device. Juniper will get her father a tablet with what type of USB charging port?

USB-C Correct. The USB-C is the first USB connector that is not polarized. This means the orientation of the plug when connected to the port on the device does not matter. You can flip the plug 180 degrees and it will still fit in port. All previous USB connectors were polarized.

You need to create LAN a connection using a mobile device. Which of the following will most readily allow you to create the connection without using a physical tether? Select two.

Use Wi-Fi to connect to a LAN Correct. You can use Wi-Fi to connect to a LAN using an access point or a wireless router. Create a mobile Wi-Fi hotspot Correct. Creating a mobile hotspot will allow other devices to connect thereby creating a LAN connection.

You decide to add three new hard drives to your computer so that you can increase the amount of storage on it. When you install the hard drives, you find enough SATA connections on the motherboard, but it is short one SATA power connector.What is the easiest way to add a SATA power connector to the system?

Use a Molex to SATA power adapter. Correct. You can use a Molex to SATA power adapter to supply power to the SATA hard drive.

You suspect your computer is overheating because your system sometimes restarts or turns off by itself. At other times the 32 inch monitor turns blue, and the system remains unresponsive until you manually restart it. What relatively quick measure can you take to try to fix the problem?

Use a can of compressed air to blow out the dust Correct. The buildup of dust inside a computer can cause the computer to overheat. Use a can of compressed air to gently blow out the dust inside the computer and air vents.

You replace an internal drive that is only used to backup data on a computer. Before you install the case cover, you power on the computer and observe the disk drive lights are not blinking. You suspect it may not be receiving power, but cannot find the power supply tester. How can you quickly verify whether power is being supplied to the disk drive?

Use a multimeter Correct. You can use a multimeter to verify the appropriate voltage level is detected on the connector used to supply power to the drive.

Frank is traveling for work with his company laptop and company phone. During a layover, he reviews his files in preparation for a presentation but discovers he forgot an important file. The good news is the file is in cloud storage. How can Frank download this file? (Select all that apply.)

Use his cellphone to create a hotspot Correct. Frank can create a hotspot with his smartphone and connect his laptop to the wireless connection. He should make sure the wireless network is secure. Tether his laptop to his smartphone Correct. Frank can use his charging cable and tether his laptop to his smartphone, which creates an Internet connection using the smartphone as a modem.

Ibrahim is a computer teacher at a large high school with an 802.11n wireless network. They ask him to run a 1 Gbps Ethernet cable from a switch to a computer that happens to be 150 meters away. How should he best proceed? Use one Ethernet cable that is 150 meters in length. Incorrect. The Ethernet standard limits the maximum cable length to 100 meters so one 150-meter cable is not a viable option. Two 75-meter cables with a switch in between is a better solution.

Use two 75-meter-long cables with a switch in between.

Jerry recently purchased a new iPad. He needs guidance on setting it up and wants to find documentation to help with the setup. Where can Jerry find detailed steps on how to connect to a network, configure email, update the OS, sync, and back up settings and data, as well as what to do when things go wrong with his iPad or an iPhone?

User guide for the device Correct. Apple has a user guide that Jerry can download. The user guide will give him detailed steps on everything his needs to set up and use his device.

The security team in a mid-sized company wants to test drive encryption using an HSM. What are three possible ways of accomplishing this?

Using an expansion card Correct. A hardware security module (HSM) can be installed as an expansion card to implement drive encryption. This is a viable option when a TPM chip is not available. Using an external USB device Correct. A small external USB device could be used as a hardware security module (HSM) to implement drive encryption on one system. This is a viable option when a TPM chip is not available. Using a network appliance Correct. Hardware security module (HSM) services could be delivered over the network to provide cryptographic functionality including drive encryption.

You bought a new inkjet printer based on positive reviews you read online along with a new set of four ink cartridges. You did not buy paper because you had an unopened ream of 16-pound paper. However, almost right away, you are not too pleased with the quality of the printouts. What would help improve the print quality rather quickly? Calibrating the printer Incorrect. Calibrating an inkjet printer helps to align and/or clean the inkjet nozzles so it may help. However, this should not be required since it is a new printer with a new set of ink cartridges.

Using high-quality paper Correct. The quality of the paper used in inkjet printers has a significant effect on the quality of the printed output. Use high-quality paper that is specifically designed for inkjet printers and do not use less than 20-pound paper on any printer.

Cirrus was hired to start a multimedia group at a major corporation. He has been asked to buy high-end equipment to ensure it will not be obsolete in three or four years. He buys a video camera capable of recording 8 MB/sec. What type of SD memory card should he use in the camera?

V10 Correct. SD memory cards with a Video Speed Class V10 designation are appropriate for video cameras; they have a minimum write speed of 10 MB/sec.

Randy is concerned about his company's data security on the Internet. Because cellular signals are not encrypted, he is concerned that the new smartphones given to the sales department will allow a breach. Randy has decided the company needs a more secure way to allow the sales department to connect to the company network over the Internet. What should Randy deploy to allow the sales department to connect to the company network securely over a cellular data signal?

VPN

Abigail needs to move out of state to take care of her mother. She will need secure remote access to continue working as a cloud engineer. What type of connection does Abigail need to securely access the computing resources at her company?

VPN Correct. A virtual private network (VPN) will allow a secure remote connection over the internet, which is a public network. This is realized by creating a secure connection and encrypting all the data flowing between the client device and the company.

Ferran got a new cell phone. But every month he receives a data-usage limit notification even though he has not done anything unusual except use, install, and remove games and apps. What can he do to try to rectify the problem?

Verify all apps that are not being used are closed. Correct. Some apps will continue to run in the background and consume data. Closing all unused apps will help limit data usage.

You are asked to install a new adapter card in 30 office computers at an existing branch location. Which of the following is NOT a necessary step in the process?

Verify the adapter card to be installed is ESD-resistant.

After installing the processor and reassembling the computer, the system begins the boot process and suddenly turns off before completing the boot. You turn everything off, unplug the power cord, press the power button to drain the power, and open the case. What should you do next?

Verify the cooler is securely seated and connected Correct. If the cooler is not installed correctly, the system will boot but shut down before the process is complete as the processor is overheating.

Damion recently did an update to his computer and added a new video card. After the update, Damion decided that he would like to play his favorite game. While he was playing the game, the system locked up. He restarted the computer and did not have any issues until he tried to play the same game, at which point, the computer locked up again.What might be the problem with Damion's computer? (Select all that apply.)

Version of DirectX is out of date. Correct. The DirectX version may be out of date and cause the computer to crash or freeze during the game play. DirectX is a collection of application programming interfaces (APIs) for handling tasks related to multimedia, especially game programming and video, on Microsoft platforms. Video card device drives need to be updated. Correct. If the driver needs to be updated, the game could freeze during game play. Damion can update the driver by downloading it from the manufacturer's website. Most high-end video cards also have a downloadable program that will help to keep the driver updated. Game is not compatible with video card. Correct. If the video card is compatible with the DirectX version for the game, then Damion should be able to play the game. He will not be able to start the game if the video card is not compatible with the DirectX version in the game.

You just completed a contract setting up the network in a new 10-story office building for a commercial airline company. They are not happy with their VoIP service. You troubleshoot and determine you need to modify the QoS policies. Which type of traffic should have the highest priority?

Voice Correct. Voice traffic should have the highest quality of service (QoS) to ensure the calls are loud, clear, and without echoing, delay, or static.

Your customer wants to build a new computer and needs to make sure he orders the correct power supply for his machine.What should you tell him to check to make sure he orders the correct power supply? (Select all that apply.)

Wattage requirementsCorrect. Wattage requirements are the total amount of wattage or power needed based on the number of devices connected to the system. If the customer doesn't have enough wattage for his computer, the computer will not turn on. Additionally, if he has a power supply with too much wattage, he will have spent extra money unnecessarily. The power supply should be capable of delivering at least 30% more wattage (power) than the maximum power the system is capable of drawing. Form factorCorrect. Because the customer must be able to mount the power supply to the case, form factor is an important consideration. If he purchases the wrong form factor, the power supply will not fit, and he will have to return the power supply and purchase the correct form factor. Number of hard drivesCorrect. The customer will need to make sure he has a SATA power connector for each hard drive, from the power supply. If he doesn't have enough SATA power connections, he will not be able to install all the hard drives that he plans to use in his computer. Video requirementsCorrect. If he is ordering a video card, he will need to make sure he has the power connector required for the video card. He will need either a 6-pin or an 8-pin video card power connector. There is also a possibility that he will need two 6-pin connectors. If he decides to install multiple video cards, he will need a sufficient number of 6-pin or 8-pin power connectors for each video card power connector.

James added a new video card and needs to get a power supply that will have enough power to run the new card.When researching the new power supply, what feature does James need to look for to make sure he has enough power to run his computer with the new video card?

WattageCorrect. Wattage is the amount of power or total output under maximum load. Video cards draw the most power in a system, and it is important to pay attention to the +12V rating.

Dr. Everest, a professor at a university, is using custom software to visually demonstrate to his class the different techniques SSDs implement to help improve performance and reliability. Specifically, how the logical block addressing on a solid-state drive does not always address the same physical blocks, to distribute write operations more evenly.What should Dr. Everest call this specific portion of his presentation?

Wear leveling Correct. Wear leveling assures that the logical block addressing does not always address the same physical blocks to distribute write operations evenly across the solid-state drive. This technique helps extend the lifespan and reliability of SSDs.

Which statement best describe when you would need to use a Thunderbolt 3 port as opposed to a DisplayPort or an HDMI port?

When you need to transmit video, audio, data, and power on the same port and cable Correct. Thunderbolt 3 can transmit video, audio, data and power on the same port and cable. It can support up to six peripheral devices simultaneously.

You work at a large department store selling computer products. Iwina walks in and wants to buy a wireless router. She explains that the media streaming device she ordered online supports a transmission speed of up to 200 Mbps. What type of router should you recommend?

Wi-Fi 802.11n Correct. 802.11n supports a maximum speed of 600 Mbps with a range of up to 70 meters.

Which of the following tools can the technician use to help determine whether her suspicions are correct?

Wi-Fi analyzer Correct. The Wi-Fi analyzer is used to find wireless networks, determine wireless signal strength and channels in use, and much more. Channel overlap is when multiple devices have wireless channels that are interfering with each other. Determining which channels are in use by the devices will assist the technician in configuring the wireless devices with non-overlapping channels.

Patrick wants you to repair his laptop LCD screen. Patrick insists that it was not his fault, but sometime during the night, the laptop fell off his desk, and now the screen is broken. During disassembly of his laptop, you see a mini-PCIe card with a black cable and a white cable wire connected that appear to go into the screen bezel.What is the function of the two wires?

Wi-Fi antenna Correct. The wires are the antennas for the Wi-Fi card. Wi-Fi antennas are placed around the screen in the bezel. The wires are then run to the Wi-Fi adapter on the motherboard.

A system administrator boots a Windows PC using a Live Linux CD/DVD and list the files on the system. One of the files is called pagefile.sys. What is this file used for? Select all that apply.

Windows normally stores virtual memory in this file. Correct. Pagefile.sys is a hidden file in the C: drive. It stores data from RAM that is not accessed frequently. The goal is to free up memory in RAM for additional data that is frequently accessed. Used to enhance the amount of RAM in the system. Correct. Pagefile.sys is a hidden file in the C: drive. It stores data from RAM that is not accessed frequently. The goal is to free up memory in RAM for additional data that is frequently accessed.

A new printer has been added in your office and connected to a WAP for use by all users in the company.Which of the following best describes the method of connectivity for the new printer?

Wireless infrastructure mode Correct. Wireless infrastructure mode is a connectivity method in which devices connect to a central connectivity device such as a WAP (wireless access point). This would be the most likely wireless method of connectivity for a shared printer connected to a WAP.

A company asks Aurora to work on a mobile device that belongs to a colleague. After her evaluation, she narrows down the list of things to consider doing. They include uninstalling some apps, updating the OS, and possibly performing a factory reset. What would have prompted her to consider these actions?

You are trying to remove suspected malware. Correct. These steps should be taken when removing malware from a mobile device.

You have a desktop system with a 2.5 inch 500 GB SDD and a laptop with a 200 GB SDD. You want to replace the 500 GB SSD on the desktop with a larger SSD and use the 500 GB SSD in the laptop. All data has been backed up. What factors do you need to consider?

You can simply proceed to install the SDD from the desktop laptop directly in the laptop.

In which of the following situations should you install an IPS instead of an IDS?

You want to block unauthorized activity on your LAN from the Internet. Correct. An IPS (intrusion prevention system) will monitor, detect, log, issue alerts, and prevent malicious activity

Godiva's computer is having issues booting up. She troubleshoots and her best guess is that the BCD is corrupt.In her endeavor to plan a solution and implement it, what command should she include?

bootrec Correct. The bootrec command is used to rebuild the BCD or Boot Configuration Data that holds the parameters Windows needs for a successful boot.

You recently bought a new router, modem, and switch to create a wired network at home containing six computers. Beginning with the computers, how would you connect the devices to ensure the computers have internet access?

computers, switch, router, modem

You recently bought a new router, modem, and switch to create a wired network at home containing six computers. Beginning with the computers, how would you connect the devices to ensure the computers have internet access?

computers, switch, router, modem Correct. Computers are end devices that are utilized by end users. You connect end devices to a switch. Switches have multiple ports to connect many devices on the local network together. You then use another cable to connect the switch to the router, and another cable from the router to the modem.

Juula just purchased a new tablet from the Apple Store for her home-based business. She wants to ensure the calendar and contacts she creates are automatically saved online. What service should Juula use?

iCloud Correct. iCloud is the most seamless option. When Juula sets up her iPad, the setup will include an iCloud account and free online storage. She can also set up to automatically send her calendar and contacts directly to her iCloud account without the need to manually move or sync them.

A company is researching motherboards for a small / compact low-end system they are designing to be used in a home theater system. Which motherboard form factor is the company most likely to use?

mITX Correct. The mini-ITX (mITX), also referred to as an ITX board, is a small form factor (SFF) board used in low-end computers.

Henry is using the command line to troubleshoot whether a Windows client is able to connect to the server on his network.What command should Henry use to check whether he has connectivity to the server?

ping Correct. The ping command allows Henry to test whether the system has connectivity with the computer he is pinging. The ping commands sends an echo request message. If there is connectivity, the receiving device will respond with an echo reply, along with the round trip time in milliseconds. If there is no connectivity, a destination unreachable or similar message will be displayed.

A technician is building a custom gaming computer for a customer. In what order should the technician install the main components?

power supply, drives, motherboard, cards Correct. Since the motherboard and processor are the most expensive components, if possible it is best to install the motherboard just before installing the expansion cards to prevent damage. For example, you would not want to drop a disk drive or power supply on the motherboard while installing those components.

When you build a computer from parts, you usually start by deciding on which two components?

processor Correct. The processor is one of the first decisions that must be made when building a computer from parts. motherboard Correct. The motherboard is one of the first decisions that must be made when building a computer from parts.

You are asked to add a resource record in the DNS namespace for a website your company wants to publish. Which of the following entries will you make?

www.company.com A IN 14440 209.165.200.5 The proper format is resource name (www.company.com), record type (A), class code (IN), TTL (14400), Data (209.168.200.5). The record type of A is the address record and points a host name to its IP address. The class code IN means the record is allowed on the internet.  The TTL is the time-to-live and represents the time a server can hold the record in its cache. The data is the IP address mapped to the host.

Ana buys a computer from a surplus sale event at a local university. When she boots it up, it asks for a password even before the operating system loads. How can she overcome this problem?

Configure jumpers to clear the BIOS/UEFI settings.

Which of the following method is not typically used to keep a computer system cool?

Keeping the case openCorrect. Keeping the case open is not a recommend long-term cooling solution. A closed case with fans placed in the proper location improves airflow to draw heat away from the system.

You decide you want to overclock the processors on your system. What is the first step in the process?

Press a key or combination of keys during POST to access the BIOS/UEFI setup program Correct. You may access the BIOS/UEFI setup program by pressing a key or combination of keys, depending on the computer.

Your company sells hundreds of large storage disk arrays every year that can be configured locally using a dedicated laptop. You travel between many customer sites providing maintenance and support to these laptops. It is your responsibility to ensure you have the necessary FRUs as you travel from site to site. At the very least, what type of FRUs will you keep on-hand?

Memory modules, hard drives, keyboards, and wireless card Correct. FRUs are field replaceable units. These are internal devices that can be replaced in the field with relative ease if they become defective.

The original P1 connector had 20 pins, why did the development of PCIe induce the adoption of a 24-pin P1 connector?

PCIe slots are faster than the previous generation and requires more power Correct. PCI Express (PCIe) slots are faster than PCI and require additional power. The 24-pin or 20+4-pin P1 connector provide +12 volts, +5 volts, and +3.3 volts of output.

What is the maximum throughput speed of PCI Express Version 6.0 using 16 lanes?

126 GB/sec Correct. PCI Express Version 6.0 has a throughput speed of up to 126 GB/sec.

Gwen recently purchased a new video card, and after she installed it, she realized she did not have the correct connections and was not able to power the video card.What connector(s) should Gwen look for when purchasing a new power supply? (Select all that apply.)

8-pin PCI-E connector Correct. The 8-pin PCI-E connector is for a graphics card. 6-pin PCI-E connector Correct. The 6-pin PCI-E connector is for a graphics card.

When is it okay to touch the inside of a computer that is turned on?

When using a multimeter to measure voltage output Correct. Using a multimeter to measure voltage output is the only exception to touching the inside of a computer that is turned on. Even then, you should be very careful to avoid shock.

What two different power-on passwords can be set to lock down a computer from unauthorized access?

supervisor password Correct. Setting the supervisor password in the BIOS/UEFI can help prevent unauthorized access. user password Correct. Setting the user password in the BIOS/UEFI can help prevent unauthorized access.

PCIe slots have designations that represent the number of lanes used to carry data. Which of the following is a valid designation?

x1 x4 x8 x16 All of these choices Correct. PCIe (PCIe Express) card slots are commonly configured as x1, x4, x8, and x16 representing the number of lanes used for input/output. Some slots may be configured to run differently.

Malai has a desktop computer at home that among other apps, is also running an older 32-bit video game. What type of processor does the computer most likely have?

x86-64 Correct. x86-64 processors are hybrid processors. When a 64-bit operating system is installed, the system is capable of running both, 32-bit and 64-bit applications.

A field service technician is replacing a server motherboard that supports CPUs with multithreading capabilities. The technician notices the motherboard has four processor sockets. If each socket supports a quad-core processor, how many logical processors does the system appear to have?

32

You are reviewing new RAM to purchase for a gaming computer and find three different RAM modules that are the same except for their CL rating.The memory with which rating will work best?

CL15 Correct. The lower the CAS Latency (CL), the faster the data can be retrieved from the RAM. CL is important on a gaming computer. Any type of lag (time you wait for a response) could cause you to lose a game.

Alexa is asked to upgrade the memory on a desktop computer. Which component will she replace?

DIMM Correct. DIMM is a dual-inline memory module. It represents the RAM form factor used on desktop computers to store temporary data and instructions being processed by the CPU. Once power is turned off, all information in RAM is lost. If the system is powered off cleanly, the needed information is written to (saved) on the hard drive.

Thomas came into work this morning and turned on his computer but nothing happened. He immediately called the help desk, and you were sent to fix his computer. While talking with Thomas about his computer, you find out that when he turns on the computer, he has lights and fans, but nothing else happens. He also tells you that the four memory modules were recently upgraded. Besides the memory, nothing else has been added or changed. You decide to try to re-create the problem, and when you turn on the computer, there are lights and fans, but no beeps and no video. You notice that the keyboard light does not come on.What can you determine about the problem with Thomas's computer? (Select all that apply.)

Motherboard has failed. Correct. A scenario in which the computer is not running POST could indicate that the motherboard has gone bad. Failure of the motherboard will be indicated by no beep code, no video, and no Num Lock light on the keyboard. Processor has gone bad or is not seated properly. Correct. The computer needs a processor to run POST. If the processor can't execute the instructions to run POST, then lights and fans will run, but there will be no video or POST error beep codes.

An entrepreneur wants to design and produce memory modules that meet industry specifications. To increase memory performance in servers the module should use technology to hold and amplify the signal just before the data is written to the module. What technology should the memory modules include?

Registers Correct. Registers and buffers hold data and amplify a signal just before the data is written to the module.

Tania is examining a system because the user claims their Word documents are getting corrupt.What is a reasonable best guess as a starting point?

The user is not saving the files properly.

When handling a motherboard, cards, or drive, which statement is NOT accurate?

You should not hold expansion cards by the edges. Correct. Holding expansion cards by the edges is the correct method of handling.

An organization wants to increase the amount of RAM on their computers. All the computers have four memory slots but only two slots in each computer are populated. They want to add one more memory module to the older computers, and two additional modules to the newer computers. The older computers have three blue slots and one black slot. Which memory type will maximize the number of DIMMS the memory controller can access at the same time in both, the older and newer computers?

DDR3 Correct. DDR3 DIMMs can use quad, triple, or dual channels. Installing two additional DDR memory modules in the newer systems will allow it to operate in quad channel mode. Since the older computers have three blue slots, add the third memory module in the blue slot, and leave the black slot unpopulated. This allows the DDR3 DIMMS to use triple channels.

A processor housing that contains more than one processor is referred to as what term?

Multicore processor

Joanna is researching high-end motherboards for a gaming computer with the best performance possible. Which consideration should be highest on the list?

Use the highest-performing processor Correct. The best performance possible is a term that cannot be measured objectively. But getting the highest-performing processor the motherboard supports is a good way to ensure one can extract the best performance the motherboard can deliver.

Yesterday you installed a new game on your computer. When you ran the computer, you noticed that the application was running very slow. After you exited the game and restarted it (the game), you received an error message saying, "Insufficient memory or disk space." You checked the hard drive, and it has more than 250GB of free space.What should you check next in Task Manager?

Amount of RAM available. Correct. Check the percentage of RAM being used by the game and other applications. If the percentage is too high because of another application, you can close that application and run the game.

You have an eight-year-old computer with all the original components still in place. The power supply fan seems to be going bad, so you start troubleshooting. You replace the power supply, but the fan continues to have the same problem. You then disconnect all the other components except the motherboard. Only under this condition does the fan works as expected.Which of the following is most likely to be true?

One of the other components was causing a short and drawing too much power.Correct. Since the fan works without a problem when only the motherboard is connected to power, the problem is likely caused by one of the other components inducing a short when connected. To resolve, connect one component at a time until the faulty device is identified.

You install Windows on a new SSD that fits in an M.2 socket in a modern high-end motherboard. After installing the OS, the system will not boot as expected. What could be the problem?

The boot sequence needs to be changed to boot from the SSD. Correct. Changing the boot sequence to boot from the SSD device should fix the problem.

A corporation requires a connection between two campus building that are 250 meters apart. The link must be able to carry traffic at 8 Gbps, at the very least. Which of the following cable combinations will meet these requirements?

10GBase cable with either SC or LC connectors Correct. 10GBase ER, 10GBase SR, 10GBase SW, and 10GBase SX fiber-optic cables using either an SC or LC connector operate at 10 Gbps at up to 550 meters.

Sharon believes the computer she is troubleshooting is having problems with the hard drive. She wants to test her theory and finds an older, known, good, SATA drive in the spare parts bin but notices the gold conductors in the SATA power connector are very distressed. Sharon also realizes that the spare drive also has a 4-pin power connector.What type of power connector will Sharon need to supply power to the hard drive?

4-pin Molex connector Correct. A 4-pin Molex connector is a power connector for hard drives; and many power supplies still use this connection for power.

You are in the market for a used smartphone, but you want to ensure it you can use it as a hotspot. Which technology should it support? Select all that apply.

4G Correct. 4G was the first standard allowing a device to serve as a mobile hotspot. 5G Correct. 5G offers mobile hotspot capabilities. It has an average speed of 150 Mbps with peak speeds up to 10 Gbps.

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?

6-pin Correct. Video cards draw a lot of power and newer systems can provide more power than what comes through the PCIe slot. 6-pin configurations are common. 8-pin Correct. Video cards draw a lot of power and newer systems can provide more power than what comes through the PCIe slot. 8-pin configurations are common.

Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible.What type of hard drive should Jessica purchase?

7200 RPM magnetic HDD Correct. In this scenario, the 7200 RPM HDD is the fastest magnetic hard drive. Its speed is enough for Jessica's video editing projects. SSDs offer faster access time than HDDs but also cost more.

Kiera is building a new computer and wants to make sure she has an adequate power supply for all the new components she is purchasing. She will be installing three HDDs, with each using 25 watts. The processor she is using will need 125 watts. The motherboard will use 80 watts. RAM will require 3 watts for each of the four DDR3 DIMM modules. Her video card will need 400 watts to run at the maximum level. She wants to keep the cost as low as possible for the power supply.Which power supply would you recommend?

900W power supplyCorrect. A 900 W power supply provides approximately 30% more power than the capacity Kiera's new computer will need, and thus is recommended for this configuration. This power supply will allow Kiera to add USB devices, without worrying about not having enough power.

Sarah needs to connect to a console port on an enterprise switch. Her laptop does not have the correct port. When she mentions this to her boss, he tells her that they have several older laptops in a closet with RS-232 ports.What type of connector does the laptop have?

A 9 pin two row D-shaped male connector Correct. A RS-232 is a serial connector. This connector is a 9 pin two row D-shaped male connector.

Makani is participating in an on-the-job training program at work. He is learning how to configure computers in a network. He is told to use private IP addresses because all organizations could use them without conflict since they are not routable.

A proxy server will temporarily change the address on the host

A technician wants to configure a DHCP server to guarantee that certain printers always receive the same address. Which of the following should the technician configure?

Address reservation Correct. An address reservation can be configured on a DHCP server to always assign the same IP address to a network host. When the host queries the DHCP server, the server checks the MAC address of the host and assigns the appropriate preconfigured IP address.

At what point during the motherboard installation should you install the motherboard drivers?

After Windows successfully boots without errors Correct. You need to verify Windows will boot without errors and there are no conflicts reported.

Collette wants to stream a movie from her iPad to her Apple TV. What type of connection should she use?

AirDrop Correct. AirDrop is an Apple wireless standard that uses Bluetooth and Wi-Fi. It enables Apple devices to transfer data within 30 feet.

Oliver is replacing a processor that fits into an LGA1700 socket. The motherboard into which the processor is being installed must be compatible with what generation of processor and chipset?

Alder Lake Correct. Alder Lake is part of the 600 Series Chipsets (12th generation); the processor uses an LGA1700 socket.

Explain the difference between RAID 0, RAID 1, and RAID 5. Select two.

All three flavors of RAID could be implemented using hardware or software RAID. Correct. RAID 0, RAID 1, and RAID 5 could all be implemented using hardware or software RAID. However, Microsoft does not recommend software RAID because it is unstable. RAID 0 stripes data across disks, RAID 1 mirrors data, and RAID 5 uses parity. Correct. RAID 0 stripes data across two or more disks. RAID 1 mirrors the data from one disk to two or more disks. RAID 5, stripes data across all three disks by placing user data on two disks and parity data on the third disk. RAID 5 performs a mathematical operation using the two blocks of user data, and placing the result, on the parity disk. The placement of parity data is rotated between all three disks to distribute the load between participating disks in the RAID 5 configuration.

You have been asked to work on 25 mobile devices at a mid-sized company due to malware. Once you clean the devices, you suggest implementing a company-wide mobile device policy. Which of the following would you recommend? Select three.

Always keep the OS up to date Correct. Keeping the OS up to date will help patch known vulnerabilities. Basic security training about privacy settings and phishing scams are also helpful. Provide basic security training Correct. Providing basic security training about privacy settings and email phishing scams are helpful. In addition, keep the OS up to date and install an anti-malware app. Install an anti-malware app Correct. Installing an anti-malware app will help protect devices. As will keeping the OS up to date and providing basic security training about privacy settings and email phishing scams.

You buy a DVI cable to connect a monitor a friend gave you. You notice the connector on the cable has four extra pins, but the DVI port on the computer does not have them so you cannot use the cable. What are the four extra pins used for?

Analog video Correct.   The four extra pins are used to transmit analog video. DVI can transmit digital and analog video, not audio.

Jolie wants to see a list of, and manage, apps on her Android phone. Where can she go on her phone to do this?

App drawer Correct. You can see a list of, and manage, apps from the App drawer.

Your friend has compiled a moderate collection of movies they have bought over the years. They all reside on a media server they assembled with remote access capabilities. They would like to have a physical copy of each movie on optical media for off-site storage. Most of the movies consume between 60 and 120 GB of storage. What type of optical storage media should they use to back up the movies? Select two.

BD-R TL Correct. BD-R TL is a triple layer, recordable Blu-ray disc with a storage capacity of 100 GB. BD-R QL Correct. BD-R QL BD-R TL is a quad layer, recordable Blu-ray disc with a storage capacity of 120 GB.

You install a virtual machine app such as VMware or Virtual Box. However, when you try to create a virtual machine, they system issues a message implying that virtualization is not supported. How/where could you potentially fix the problem?

BIOS/UEFI Correct. Most computers require that virtualization be enabled in the BIOS/UEFI.

Your computer has recently started to generate a few S.M.A.R.T messages. What is the most favorable thing you could do?

Backup your data immediately Correct. S.M.A.R.T. (self-monitoring, analysis, and reporting technology) is used to predict when a hard drive is likely to fail. Backup your data and replace the drive.

You are asked to install an authentication system at a data center that requires both, a fingerprint scanner, and facial recognition for access. What type of authentication will you implement?

Biometric authentication Correct. Biometric authentication is based on unique biological characteristics of an individual such voice, facial features, fingerprints, or iris.

The administrative assistant of the company's CEO is asking about a printer for her use only. It seems the shared department printer is overused, making the assistant wait to print the CEO's last minute documents. Which of the following technologies will best meet the administrative assistant's request? (Select TWO.)

Bluetooth printer Correct. A Bluetooth connected printer would be an excellent wireless option for a single user whose computer is in close proximity to the printer. Local printer Correct. A local printer is connected to modern computers using wired USB and would be a perfect solution for a printer to be used by one individual.

You have a computer that is running low on storage, so you decide to install a second hard drive to store your files. You would like to partition the drive you just installed and end up with two volumes. In addition, you want to keep the original hard drive intact, which is where the Windows operating system resides.What process would allow you to meet your objective?

Boot Windows and use Disk Management to prepare the new drive. Correct. If you are installing a second hard drive in a system that already has Windows installed on it, you should boot Windows and use Disk Management to prepare the new drive. You could use the Windows Disk Management utility to partition drives, create volumes, and group hard drives into a RAID array.

What is the most likely result of a correctly installed processor, but an incorrectly installed cooler?

Boot process begins, but the system suddenly turns off after a short period Correct. If the system comes up and begins the boot process but suddenly turns off, most likely the processor is overheating because the cooler is not installed correctly.

Vishalini rented a small office to offer bookkeeping services. She needs DHCP, wired, wireless, and file sharing capabilities, as well as a switch to connect three computers. However, her technology budget is limited. How can she obtain access to all these capabilities at a modest cost?

Buy a multifunction router. Correct. A multifunction SOHO router can offer all the features specified. For file sharing capabilities, the router needs to have a USB port to connect external storage which can be used to share files with network users

Maria has a laptop with a motherboard that is beyond repair. She comes to your computer repair shop and requests that you replace the motherboard. What are two of the most likely responses you will give her?

Buy a new laptop because replacing it will be more cost-effective than repairing it. Correct. Replacing the motherboard on a laptop can be time-consuming and costly so this is not a recommended course of action. Your shop has made a conscious decision not to replace motherboards on laptops. Correct. Choosing not to replace motherboards on laptops is a reasonable policy to adopt because it is time-consuming and costly.

Which of the following devices are most commonly used to connect a LAN to an ISP for broadband services? (Select TWO.)

Cable modem Correct. The cable modem is the hardware device used to connect the local area network (LAN) to a cable Internet service provider (ISP). Cable is a broadband technology transported over a coaxial cable that can provide high-speed Internet, TV, and voice via a single cable connection. DSL modem Correct. A DSL modem is the hardware device used to connect the local area network (LAN) to an Internet service provider (ISP). DSL is a broadband technology transported over copper POTS (plain old telephone service) cable that can provide high-speed Internet alone (SDSL) or Internet combined with voice (ADSL, VDSL).

Nick is working on a new graphic for a client and is having an issue with the color on his screen. The client wants the graphic to include a very bright red color, but Nick seems unable to find the right color on his screen. He seems to have the color perfect on the screen, but when he tries to print the graphic, the color seems to fade. He has checked the printer, and it works fine.What will help Nick see on the screen the color that he is printing?

Calibrate the display color.

You install a new video adapter and update the drivers, but notice the icons have a distorted geometry.What could you do to fix the problem?

Change resolution Correct. The cause of the distortion is the resolution. If the LCD has a recommended resolution, use it, or use the highest resolution available.

You log in to a wireless router with administrative privileges and change the SSID. What exactly have you done?

Changed the network name Correct. The network name for a wireless router is the SSID (Service Set Identifier). When you connect to a wireless network, you may see multiple networks names available for selection; these are the SSIDs. Most are secure so you will need a password to connect.

You are troubleshooting a laptop with multiple sticking keys that result in misspelled words while the user types. Other than several sticking keys, the laptop appears to be functioning properly. You have cleaned the keyboard with compressed air, but the problem persists. After removing one of the key tops, it becomes apparent that a liquid was spilled into the keyboard.Which of the following is the next step in resolving the issue of sticking keys?

Clean the keyboard keys with a contact cleaner. Correct. Contact cleaner can be used to clean a keyboard in which liquid has been spilled. Contact cleaners readily evaporate without leaving any residue. If the keys continue to stick, you will need to replace the keyboard.

What step in the laser printing process is responsible for conditioning the imaging drum in preparation for receiving an electrical charge?

Cleaning Correct. The cleaning step neutralizes the residual electrical charge on the drum and sweeps the excess toner from the drum into a waste hopper. Note that this is the seventh step in the process. Thus, since the cycle repeats, the next step will be step 1 which is charging or conditioning.

Adelina works at an online retail company where weekend sales spike and generate increased network traffic. She is asked to investigate options to help alleviate network congestion inexpensively. Which solution will help mitigate the problem with relative ease?

Configure VLANs Correct. Configuring VLANs on the switch breaks up the network into smaller segments thereby reducing network traffic to any one specific network.

A small company has a few users that are spending too much time on specific social media web sites; this is affecting their productivity at work. The manager asks if it is possible to limit access to those sites.Which of the following will satisfy the request while not limiting access to other websites?

Configure a proxy server as an internet appliance to limit access to the web sites.

Derek is planning a camping trip and wants to be able to listen to music at the campsite. Derek currently has a smartphone but does not like the sound coming from the speakers. What can Derek do to enjoy better sound quality while at the campsite?

Connect to a Bluetooth speaker

You use a feature on a stand-alone wireless printer that allows you to configure it as a hotspot enabling nearby computers to connect to it. What limitation does this configuration pose? It exposes connected computers to internet attacks. Incorrect. The printer is being used a hotspot so other computers can connect to it and print. This implies it is not connected to the network. Thus, there is little risk of being compromised by an external attack. Wireless printing will be too slow and hamper productivity. Incorrect. Wireless printing may be slower than wired printing due to the nature of wireless. However, it should not be prohibitively slow unless there are other issues such as signal interference.

Connected computers will not have internet access. Correct. Most computers can only connect to one hotspot at a time so while they are connected to the printer, they will not be able to communicate with the internet or other network resources.

You bought a new computer with two case fans that constantly run a little loud. However, right out of the box, you notice the system is exhibiting intermittent problems. You go into the BIOS and observe the CPU temperature is 100 degrees Fahrenheit (38 degrees Celsius). Which of the following best describes the thought process you should employ in your troubleshooting efforts?

Consider troubleshooting issues and possibilities that are not necessarily related to cooling.Correct. The CPU temperature gives no indication the problem is cooling related. Spend time troubleshooting issues that are not related to cooling.

Bryson has contacted you because he needs to know what kind of data he can synchronize from his iPad to his PC. What can Bryson synchronize from his iPad to his PC? (Select all that apply.)

Contacts Correct. Contacts can be synchronized between Bryson's iPad and his PC. He can use iTunes on the PC to synchronize items. Photos Correct. Photos can be synchronized between Bryson's iPad and his PC. The sync can be done using iTunes by connecting the iPad to a USB port on a PC or wirelessly using Wi-Fi. To sync using Wi-Fi, Bryson will need to turn on the feature with the device connected. Music Correct. Music can be synchronized between Bryson's iPad and his PC. He can sync the music he purchases on his iPad to his PC so that, if the iPad fails, he will have a backup of the purchases. Notes Correct. Notes can be synchronized between Bryson's iPad and his PC using iTunes. Calendar Correct. Calendar can be synchronized between Bryson's iPad and his PC using iTunes. He can then enable iCloud Calendar and have his appointments on both the PC and the iPad.

A technician is working at a client's office after hours and needs two cables to finish the work but does not have immediate access to prebuilt cables. One cable needed is for a dial-up connection from the dial-up modem to the existing analog POTS jack on the wall. The other cable is for an Ethernet connection from the computer to the existing keystone jack on the wall. The technician has the necessary wire and connectors to make the cables.Which of the following tools will the technician use to make the cables and then verify that they both work properly? (Select THREE.)

Crimper Correct. A crimper tool is used to attach connectors onto the ends of a cable. The crimper must be compatible with the crimp (or connector). Common network and telephone connectors that are attached using a crimper are RJ-45, RJ-11, F-type, and BNC. This question will require RJ-11 crimps as well as RJ-45 crimps. Cable tester Correct. A cable tester is used to determine whether a cable is good. A good cable is wired correctly (based on the type of cable desired) and provides a complete circuit from end to end for all wires. This question will require the use of a cable tester after each cable is made. Cable stripper Correct. A cable stripper is used to remove the outer sheath from a cable, thus exposing the individual wires or conductors. A cable stripper will be required for this scenario for both cables.

Quintavius loves to tinker with computers so he sets off to see how many networking services he can install in one physical server. He sets up the system to support DCHP, DNS, HTTP, HTTPS, Telnet, SSH, and an email server. On what port will these services listen?

DCHP 67, DNS 53, HTTP 80, HTTPS 443, Telnet 23, SSH 22, SMTP 25 Correct. DHCP listens on port 67; it is used to assign IP addresses to computers automatically. DNS listens on port 53; it resolves domain names into IP addresses. HTTP listens on port 80; it serves online resources, but it is not secure. HTTPS listens on port 443; it serves web pages securely. Telnet listens on port 23; it is used for remote access, but transmissions are not encrypted so it is not secure. SSH listens on port 22 and is used for remote access. SSH is secure because the transmissions are encrypted. SMTP listens on port 25 and is used to send and receive email messages between email servers.

A client contacted you to request your help in researching and supplying the hardware necessary to implement a SOHO solution at his new home-based business.Which of the following SOHO router features will simplify IP address configuration on the private network for both wired and wireless clients?

DHCP server Correct. An integral feature of a SOHO router is the DHCP (Dynamic Host Configuration Protocol) server, which automatically assigns IP address information to network clients with either wired or wireless connections. The host device is configured to obtain IP address information automatically.

Which of the following two statements are true regarding DRAM?

DIMM is a type of DRAM used in modern motherboards Correct. DIMM is the type of DRAM used in modern motherboards. SO-DIMM is a type of DRAM used in modern laptop motherboards Correct. SO-DIMM is the type of DRAM used in modern laptop motherboards.

You are a security professional tasked with preventing fraudulent emails. Which DNS records will you configure to help you realize this goal? Select three.

DKIM Correct. The DKIM (DomainKeys Identified Mail) record authenticate that an email message came from a trusted source. SPF Correct. (Sender Policy Framework) record helps protect against email spoofing by informing the receiving email server which servers can send emails from your domain. DMARC Correct. The DMARC (Domain-based Message Authentication, Reporting, and Conformance) records tell the receiving email server what to do when it receives fraudulent emails.

You are setting up your Windows computer to connect to the Internet. When you type www.microsoft.com, the issues an error message indicating the site cannot be reached.What network setting should you check to see the address of the server being used to resolve the domain name you entered in the browser?

DNS Correct. The DNS address is used to connect to a DNS (domain name system) server that is used to resolve the domain name. This allows you to use a name like www.microsoft.com instead of trying to remember the IP address of the Microsoft web server.

Stephen has an older monitor that he uses for presentations. Recently, Stephen has noticed that a certain spot on the monitor does not change when he shows his presentations. The spot does not display the colors and stays dark when the screen is white.What might be the problem with Stephen's video issue?

Dead pixel. Correct. A dead pixel is a pixel that no longer allows light to pass through and appears a black spot on the monitor. There are some possible fixes, but nothing is recommended by the manufacturer.

Delonte has been using his computer at work every day for two years with no problems. The nature of his work requires him to frequently create and delete test files of different types and sizes. However, he is starting to notice that his computer is slowing down.What Windows tool can be used to verify Windows is relocating data to help with performance?

Defrag and Optimization tool Correct. Windows Defrag and Optimization tool is used to verify that Windows is defragmenting a magnetic drive and trimming an SSD. In a new hard drive, data is physically written in contiguous sectors. However, over time, when more files are created and deleted, files will be stored in disconnected fragments and potentially decrease performance.

Rebecca completed work on a computer and is verifying the functionality of the system when she finds a new problem. This problem is not urgent and can be easily fixed. The policy at Rebecca's company is that all problems need to be reported and given a priority code before they can be assigned to someone.What should Rebecca do about this new problem?

Determine whether fixing the first problem caused the second problem.Correct. Rebecca needs to determine whether fixing the original problem caused the new problem before she can proceed. Rebecca should reexamine the system and make a best guess relative as to the source of the new problem.

You install a new peripheral, but it does not work. Then you remember about the drivers. Where can check to see if they were installed automatically?

Device Manager Correct. The Device Manager in Windows allow you to manage devices and their drivers. If you see a yellow triangle with an exclamation next to the device, it is an indication that it has not been properly installed or that the driver is missing.

Jordan, a junior technician, ordered hardware for facial recognition capabilities on every computer at work. Before the hardware was delivered, he was removed from the project to help upgrade the operating system on every computer. After a few months, he was finally able to get back to the facial recognition project. He installs the webcam, the adapter card, and the drivers that were included in the optical media. Issues are evident so he checks the Device Manager and does not see any issues. When Jordan asks a senior technician for help, the senior technician asks him one question.What did the senior technician ask Jordan?

Did you update the drivers?

Sherri has recently been injured. She is having a problem using her left hand and would like to use a stylus to move her mouse around the screen on her laptop computer.What type of I/O device can Sherri add to her system to allow a non-touch screen laptop to use a stylus to manipulate the screen?

Digitizer Correct. Sherri can add a digitizer to a monitor. She will connect it to the computer via a USB port and place the digitizer so that it can read the stylus. This will allow Sherri to use a stylus to manipulate the screen.

Jovi buys a high-end sound card for professional grade recording and playback. When he installs the card there seems to be a conflict so he disables the onboard audio using the Device Manager but that does not solve the problem. What else can Jovi do to overcome the problem?

Disable the onboard audio using the BIOS/UEFI.

Four years ago Faleka bought a custom computer with a mid-tier motherboard and a basic configuration option. During the last three months he has noticed the video quality seems to be gradually degrading. To troubleshoot, he uses a known-good replacement monitor and video cable, but the problem persists.What would be a reasonable course of action for Faleka to take?

Disable the onboard video port and install a new graphics card.

Henry bought a new laptop. And even though it has a touchpad, he prefers to use a mouse. However, he notices that sometimes when he is typing, the cursor will move, causing him to mistype words or even delete sentences or entire paragraphs.What can Henry do to remedy this problem?

Disable the touchpad. Correct. Henry should disable the touchpad so that when he brushes against it, the cursor will not move. To disable the touchpad, he can navigate to the Control Panel and disable the touchpad in the Mouse applet. Alternatively, he could disable it via the BIOS/UEFI.

You just started a new job at a media production company. On the first day, Kumar drops off a new 27 inch monitor in your office and recommends you use the DisplayPort connector. Why would he make such a recommendation?

DisplayPort offers the highest data rate and is capable of delivering digital video and audio.

Your mobile device is displaying messages informing you that your device is infected with malware. The instructions tell you to install another app to properly remove the malware. What should you do?

Disregard the message and check for a compromised app. Correct. The message is likely trying to get you to install a compromised app.

A technician needs to service a laptop computer that is experiencing an intermittent problem with the display.Which of the following will be most effective at helping the technician complete the work in a timely and efficient manner? (Select two.) Compare the system board display connections with a properly functioning laptop. Incorrect. If a laptop is disassembled without documenting the location of cables and connectors, this choice may be an option. The question does not state that the unit was already disassembled.

Document and label the location of the screws and cables before removing them. Correct. While most desktop computers contain only one or two types of screws, a laptop may have a variety of screws and washers in various sizes and lengths. It is imperative that a technician document and label screws and cables before removing them. Inserting a screw that is too long may penetrate a cable or circuit board and cause damage. Inserting a screw that is the wrong size can also strip the threads, causing the correct-sized screw not to tighten properly. Documenting and labeling locations will assist in reassembling the unit.

Genesis is learning about computers. She installs a digitizer along with the corresponding software, but the tablet is not recognized by the operating system. She calls you for help and you explain the difference, or similarities, between drivers and apps as it pertains to peripherals in general. What do you tell her?

Drivers control the hardware. Apps allows users to interface with the features of the peripheral. Correct. Drivers control the hardware, and they are written for the specific operating system where the device is to be installed. Apps are programs that allow the user to perform a specific function such as writing a document, playing a game, or drawing an image.

You are researching RAM for a computer you are building for a friend who will be using the system as a home office server for a small business. She wants the added protection so the computer will not crash due to a memory error.What type of RAM should you consider purchasing?

ECC Correct. ECC compares bits written to the module to what is later read from the module and detects and corrects errors in a single bit but only detects errors within 2 bits.

A help desk technician is reading the manual for the motherboard in a server to ensure the right type of memory is installed during an upgrade. The documentation says it provides additional reliability because it is capable of correcting single bit errors. What technology do the memory modules use?

ECC Correct. ECC, or error-correcting code, is an error checking technology used in DIMMs for servers to ensure extreme reliability by detecting and correcting single bit errors.

Dennis is on a road trip with his family. His children want to use their tablet to watch a movie online. What can Dennis do that will allow the children to watch a video on the Internet while in the car?

Enable a hotspot on his smartphone. Correct. Dennis can create a hotspot on his smartphone. The hotspot will establish a wireless network that the tablet can join, which will enable the children to watch the video on the Internet.

Kendra works at a small office. She has an older printer connected to her computer with a USB cable because it does not support Ethernet or Wi-Fi.How can Kendra share her printer with her four co-workers? Install a dedicated print server. Incorrect. A print server manages network printers and makes them available to other devices on the network. However, Kendra does not have a network-ready printer (no Ethernet port). In addition, a dedicated server implies a separate computer just to enable printer sharing. In a small office this is not necessarily an efficient use of resources.

Enable print sharing on the computer.

A company purchased a high-quality color laser printer to print color brochures and sales proposals. The printer is connected to a marketing PC via USB and is configured as a shared local printer for use by the sales and marketing teams. The manager is concerned about the cost of consumables for the printer and does not want random users to unintentionally send jobs to the printer. What can be done to limit the availability of the printer?

Enable user authentication on the printer share. Correct. Security is configured for a shared local printer on the computer that is performing the sharing. On the printer's Properties dialog box, click the Security tab and set who has access to the printer and his allowed permissions.

Under certain conditions, you may hear a whine from the power supply when you first power up the system. However, if you hear a whine coming from the video card, how can you fix it?

Ensure the 6-pin or 8-pin power cord is connected to the card.

Kai needs to compile information on the motherboard brand and model for a few computers running important applications. He does not have the motherboard manuals. How can he obtain the information with relative ease?

Enter the msinfo32.exe command in Windows

Under which three of the following conditions would you be inclined to flash (update) the BIOS/UEFI?

Errors are displayed when you are trying to install a new OS Correct. Errors displayed when trying to install a new OS is an indication you may need to flash the BIOS/UEFI. You want to incorporate new features on the motherboard Correct. If you want to incorporate new features on the motherboard you need to flash the BIOS/UEFI. When you want to upgrade the central processing unit Correct. Before you upgrade the processor you may need to update/flash the BIOS/UEFI.

You buy a cable that has RJ-45 connectors. For what type of transmission will the cable be used?

Ethernet

A small business notices they have been using about 40% more printer paper in the last 30 days compared to the previous 12 months. They ask you to investigate the matter. What/where will you check?

Event Viewer Correct. Windows can use the Event Viewer to maintain a history of print jobs. It can record the time, user, and type of print job processed.

Ramah is preparing a presentation on networking terminology. She wants to ensure everyone understands the dif

Every host is a node, but not every node is a host. Correct. All hosts and nodes have an IP address and are accessible through the network. However, a host is a general-purpose computer and can be either a client or a server. Depending on the network, a node that is not a host typically provides a specialized function such as a router, switch, or a printer. A node is not used to run a variety of applications. Correct. Depending on the network, a node that is not a host typically provides a specialized function such as a router, switch, or a printer. It is not a general-purpose computing device that provides client/server functionality. A smart thermostat is an example of a node. Correct. Devices that connect to the network such as routers, switches, hubs and even smart thermostats are considered nodes. A node that is not a host does not typically provide client/server functionality as would a web, DHCP, or DNS server.

Heather needs to fix a computer at her worksite. At which step in the troubleshooting process is she most likely to attempt to reproduce the problem.Examining the System and Making Your Best GuessTest the theory to determine a cause.Verify the fix and taking preventive action.Interview the user and back up data.(X)Incorrect. Interviewing the user and backing up data is the first step in the best practice methodologies for resolving problems.

Examining the System and Making Your Best Guess

A system has been having intermittent problems. Miya decides to measure the output voltage of the power supply. The voltage exceeds the expected value by an unreasonable amount.What is the most likely consequence?

Excessive voltage will damage the motherboard.Correct. A power supply that actively delivers too much power due to an excessive voltage output will damage the motherboard.

You recently installed a new RAID controller card in a PCIe expansion slot on your computer. After setting up the controller, you transfer data from the backup you created over to the computer. When you finish the setup, you turn the computer off and return it to its normal location. When you turn the computer on, you immediately receive the error message, "RAID not found."What might be the problem?

Expansion card failed or became unseated. Correct. You should always be careful when moving a computer. If you moved the computer around too vigorously, a device may have become unseated.

A customer states that when she removes the printed pages from her laser printer output tray, the black ink smears all over her fingers.Which of the following is the most likely problem?

Fuser unit Correct. The toner is smearing because it is not permanently fixed or adhered to the paper. The fuser is malfunctioning and needs to be serviced.

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. Your company requires that all cabling follow the TIA/EIA 568A standard. Starting with pin 1 of the modular plug, which wire color code will you use?

Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown Correct. This is the correct color code for the T568A standard starting with pin 1.

You and a friend decide to watch a movie on your computer. The movie is saved on a second hard drive on your system. When you are ready to watch the movie, you can't find it on your computer. You try to locate the second hard drive, and it is no longer listed in Windows.What might be the problem with the movie and the hard drive?

Hard drive has crashed. Correct. Unfortunately, the movie and everything else on the drive appears to be missing. You can troubleshoot the hard drive system to see if you can repair the system.

A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to her wireless network. You personally checked to verify that the wireless worked properly before the user left your office. The user states she rebooted the computer several times but the problem still persists.Which of the following is the first step you should take to assist the user in resolving this issue?

Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network. Correct. Modern laptop computers provide an easy method of toggling the Wi-Fi, GPS, and cellular radios on and off by means of the keyboard function keys. For example, to toggle the Wi-Fi radio on/off, the user may be required to depress and hold the Fn key and then press F5.

Dumas, who has excellent mechanical aptitude, owns a computer with two hard drives. One drive is used for the operating system and the other drive is used for his personal files. He decides to install a third disk in a RAID 1 configuration to protect the disk with his files against data loss. He is not too concerned about data loss on the disk with the operating system because he could easily reinstall the OS, so that disk is not included in the RAID configuration. When he is done, he powers up his computer, no error messages are displayed, yet he is distraught because all his data is lost. Why would this happen?

He didn't back up his data. When RAID is configured all data on participating drives is lost. Correct. Before setting up a RAID 5 configuration, make sure any data is backed up as the configuration destroys all data on all drives added to the RAID configuration.

Liem just discovered the used phone he bought is on an IMEI blacklist. What does this mean?

He may not be able to activate it Correct. A user whose phone has been stolen can contact the carrier to place their phone on their IMEI blacklist so that it can be blocked and not used by others.

Terry is having a problem with his computer screen that connects to the onboard HDMI port. His computer does not have a video card, but he notices it supports the DisplayPort standard. He buys a monitor, connects it using the DisplayPort, but it does not work.What is the most likely cause of the problem? Select two.

He needs to enable the DisplayPort connector via the BIOS/UEFI. Correct. If the DisplayPort connector is not enabled, no signal will be sent to the monitor. Terry forgot to power on the monitor, so it is not receiving power. Correct. This could be a problem. If the monitor is not turned on, it will obviously not render the input video signal.

Jozef is a youngster who writes an app for the iPhone. He posts it on a website, but nobody ever downloads it. He speaks with a senior developer who gives him advice. He implements the advice, and his app now has a lot of downloads. What did Jozef do differently?

He placed the app on the Apple App Store Correct. Having the app approved for sale on the Apple App Store will make it available for download to iPhone users.

Henry is having a problem with the electrical system on his current laptop. The battery for the laptop will not charge. Henry took the AC adapter and battery from another laptop that is known to work, and put them in his current laptop, but still the battery will not charge.What possible actions can Henry take to make his laptop usable? (Select all that apply.)

Henry can replace the laptop system board.Correct. The system board is not allowing the battery to charge and may need to be replaced. This is not a frequent problem but is a feasible one in the scenario. The system board controls when the battery charges, and that might be causing the problem. Also, the pins on the charging port may be broken and thus need to be replaced.' Henry can purchase a new laptop.Correct. This option would fix the problem by eliminating it. This is not a real solution as Henry is not repairing the laptop itself, However, in the end this might be the only way to fix the problem. Henry can use the laptop only when it's connected to the power using the AC adapter.Correct. This option is not ideal for Henry because he would need to plug the laptop into a power outlet at every location he used it; however, doing so would allow him to use his laptop.

You are using Wireshark to troubleshoot activity on your network because the performance seems to have degraded over the last two days. What can you discover using Wireshark?

High usage by a network client Correct. Wireshark is network monitoring software used to capture and analyze traffic.

A geospatial company uses LRFW networks because it allows them to transmit signals across large distances that can sometimes exceed 100 miles. What features of LRFW enable this capability? Select two.

Highly directional antennas Correct. LRFW uses highly directional, high powered antennas allowing it to transmit signals across large distances to create point-to-point connections. High power transmission Correct. LRFW uses highly directional, high powered antennas allowing it to transmit signals across large distances to create point-to-point connections.

Akello uses his computer to download a document from the internet. What role does his computer play as opposed to the computer from which he is downloading the document? Select two.

His computer is a client Correct. In a client/server model, the device initiating the request is the client and the machine that responds to the request, and services that request, is the server. The client application is the browser Akello is using, and the system supplying the resource is the web server. The computer from which he downloads the document is a server Correct. In a client/server model, the device initiating the request is the client and the machine that responds to the request, and services that request, is the server. The client application is the browser Akello is using, and the system supplying the resource is the web server.

To reduce costs, a company wants to slowly transition and eventually eliminate their dependency on their own hardware, datacenter, and IT personnel to manage the data center. What would you initially recommend?

Hybrid cloud services

Gulliver is trying to determine why one of the computers at work cannot connect to the network. He thinks it might be DHCP related but wants to rule out the computer itself as being the problem. Gulliver manually configures the network settings that will allow the computer to connect to the network. What three values does he configure? Select three.

IP address Correct. The IP address is used to identify the node and its network connection. Subnet Mask Correct. The subnet mask is used by a computer to determine if the destination device to which it is sending a message resides in its own network (the local network) or another network. If the destination resides in the local network, it sends the message directly to that device. If the destination resides in a remote network (a different network), it sends the message to the default gateway. Default Gateway Correct. The default gateway is the address of the router connected to the local network. When sending a message to another network, a device will send the message to the router (default gateway), and the router will forward the message based on entries in its routing table. In larger networks, the default gateway could be a layer 3 switch instead of a router. A layer 3 switch has switching and routing capabilities

A client is asking for a printing solution that will print three sheets of paper with identical information on each page with a single pass of the printer. Furthermore, the client requests that the solution take the least amount of time and effort to maintain. Which of the following printer types should be recommended?

Impact Correct. An impact printer can print multiple copies at the same time using carbon paper. The printer can also use continuous paper fed by a tractor feed assembly, making continuous printing almost effortless. The printer uses sensors to detect and send an audible alert when the paper tray is empty.

Leroy buys three identical 2 TB SSDs to implement a fault tolerant RAID configuration. He configures RAID 1 using the three disks, and later discover that the total storage is only 2 TB. What alternative, if any, does Leroy have?

Implement RAID 5

You are tasked with securing a network for a client that requires a spam gateway, VPN, anti-malware as well as an end-point management system. Which of the following would best help you meet the requirements of the client?

Implement a UTM appliance. Correct. A UTM (unified threat management) appliance can perform the services required by the client in a single network-attached device. The client's requirements can be met by purchasing a UTM appliance with identity-based access control lists (to mitigate data leaks), a firewall (to protect access to the internal network from the Internet), an IPS (to detect and prevent malicious activity from entering the network), and antivirus and anti-malware protection (to scan all email).

Your company is experiencing an increase in malware incidents. Your manager is asking for advice on how best to verify that company-owned workstations are up-to-date with security patches, anti-malware requirements, and software application updates. The manager is also concerned that employee-owned devices connecting to the corporate LAN have the same level of security as the company devices. Which of the following protections and services should you recommend?

Implement an endpoint management server appliance. Correct. An endpoint management server will monitor endpoint devices on the network to ensure they meet the most current security requirements. If security requirements are met, the device is granted access to the network. The user or device will still be required to authenticate on the network. If the endpoint management server determines a device does not meet the minimum security requirements, the device's access to the network is blocked.

Which statements are true, relative to RAID 0, and/or why would you implement it? Select two.

Improves overall disk performance Correct. RAID 0 writes across 2 or more physical disks evenly so that no disk receives all the activity, resulting in improved performance. RAID 0 improves performance but it does not provide fault-tolerance; if a drive in the RAID 0 configuration fails, data will be lost. To prevent against data loss and increase performance, use RAID 10. RAID 0 requires at least two drives Correct. RAID 0 writes across 2 or more physical disks evenly so that no disk receives all the activity, resulting in improved performance. RAID 0 improves performance but it does not provide fault-tolerance; if a drive in the RAID 0 configuration fails, all data will be lost. To prevent against data loss and increase performance, use RAID 10. You could conceivably partition one drive in two and implement RAID 0 in software, but you would not gain any performance improvement or fault tolerance, thus defeating the purpose.

Which of the following is a scenario in which an IT support technician would most likely be required to implement the alternate IP configuration method on a network host?

In the event a DHCP server is unavailable, the workstation will have a valid IP address on the subnet.

Bola is upgrading some peripherals devices connected to his computer. He buys a new webcam, gaming keyboard, and a card reader.What approach should he take when installing the peripherals?

Install one peripheral at a time, reboot, and make sure it works before proceeding.

Ron is using an older computer with only one RAM module to experiment with the installation of various Windows operating systems. After the first installation he checks the Device Manager and notices a yellow triangle next to the entry labeled SM Bus Controller.What should Ron do to fix this problem?

Install the chipset drivers for the motherboard. Correct. The SM Bus Controller (System Bus Controller) is used to, among other things, monitor the voltage and temperature of the motherboard. It is part of the chipset which is the glue that connects the CPU to the other components.

Luca knows a little bit about computers and is asked to help set up a small office with seven computers and an older high-quality printer that does not have an Ethernet port. Luca connects the printer to a computer and configures sharing. However, none of the computers seem able to connect or send jobs to the printer. What should Luca do? Set the printer as the default printer on all computers. Incorrect. Setting the printer as the default, assumes a connection has been established but according to the question, the computers are not able to connect to the printer.

Install the driver for the printer on all computers. Correct. When configuring print sharing, all the devices that will send jobs to the printer need the appropriate printer driver installed.

When you verify a fix, you determine that the problem could have been prevented. What should you do to help the user avoid having the same problem again?

Instruct the user on how to prevent the problem.Correct. If you think the problem could have been prevented, the best option is to explain the cause of the problem to the user and how he might prevent this type of issue from occurring. For example, explaining that being especially careful about answering emails from unfamiliar people might help the user prevent malware from infiltrating his computer. This falls under step five of the troubleshooting strategies where you verify the fix and take preventive action.

The owner of a small loan brokerage firm does not know much about computers but has always been concerned with security, so he buys a used enterprise grade router. Mango, a loan officer with a little bit of IT knowledge, configures FE80::1 as the only address on the internal interface of the router. What effect will this have?

Internet access will now be suppressed. Correct. FE80::1 is a link-local IPv6 address; it is not routable. Configuring a global unicast address will allow devices to have internet access.

William has been working on a problem with a computer at his company for several hours and still can't ascertain the problem. The computer will not turn on, and William has tried everything he can think of to fix the computer. He has replaced the power cord, the power supply, and even the power strip the computer is plugged into. William decides that it must be the motherboard and takes the computer to his shop to replace the motherboard on the computer. When he plugs the computer in, it turns on. The problem was not the computer-someone had turned off the switch for the wall outlet that the power strip was plugged into.At which step in the troubleshooting process could William have discovered this problem? (Select all that apply.)

Interview the user and up backup dataCorrect. William might have found this problem if he had asked about environmental changes to the area where the computer is used. Examine the system and making a best guessCorrect. The problem might have been discovered if William had researched the power structure of the building. Test the theory to determine causeCorrect. When William was testing his theory, he might have discovered that the computer was working properly if he had taken the power supply and tried it somewhere other than at the desk.

Mr. Sales knocks on your door and tries to sell you a faucet with the ability to notify you through your cell phone if it springs a leak. What technology enables this capability?

IoT Correct. IoT represents the Internet of Things. It refers to the ability to connect what could, at one point in time be considered non-traditional devices, to a network such as doorbells, baby monitors, appliances, and thermostats. Depending on the configuration, these devices can be controlled remotely or used for monitoring through the internet.

Your computer has three drives in a RAID 5 configuration. One of the drives fails so you replace it right away. Immediately upon replacing the drive you notice that the overall performance seems to have been degraded. You research the issue and conclude that this is the expected behavior. How can you rationalize this behavior?

It takes time to rebuild the data on the new drive. During this time performance is degraded.

A company needs to upgrade their servers and workstations to support the latest 64-bit applications and deliver better performance. Which two processors will satisfy the company's requirements?

Itanium Correct. The Itanium processor is a 64-bit processor designed for use in servers and workstations. Xeon Correct. The Xeon processor is a 64-bit processor designed for use in servers and workstations. It requires a 64-bit operating system and can handle 32-bit applications by simulating 32-bit processing.

Johan is a hard drive performance engineer working at a major storage device manufacturer. He needs to measure, record, and analyze the throughput, IOPS, and the latency of the different models of drives the company produces. What is the difference between these three parameters? Select three.

Latency measures the time required to process a data request or a transaction. Correct. Latency measures the time required to process a data request or a transaction. The lower the latency the better the performance. IOPS measures the number of read or write operations performed in one second. Correct. IOPS measures the number of read or write operations performed in one second. A higher IOPS indicates better performance. Throughput is the amount of data flow through a point in the data path in one second. Correct. Throughput is the amount of data flow through a point in the data path in one second. A higher throughput value means better performance.

John just bought a used iPad from a friend who had lost the charging cable. John notices that the cable is similar to the charging cable for his Android smartphone, but not quite the same. What type of cable will John need to purchase to charge the iPad?

Lightning Correct. The lightning cable and lightning port are used to power most iPads, iPods, and iPhones. Some newer Apple devices use the USB-C connector.

A coworker is asking for your advice on a problem with a computer that will not communicate on the network. While assisting the coworker, you suspect that the wired NIC may have failed. Which of the following will you recommend to your coworker as the best tool to diagnose this issue?

Loopback plug Correct. A loopback plug is used to reroute a network port's output signal back to the same port's input pins. Performing a loopback test will verify whether the port on the NIC is functioning.

You buy a new hard disk drive and install the Linux operating system. You later decide you prefer the Windows operating system so you install it instead. Before you installed either one of the two operating systems, the hard drive had sector markings that allowed you to install the operating system of your choice. What facilitated this capability?

Low-level formatting Correct. Sector markings are written to a hard drive in a process called low-level formatting. Sector markings are written to before a magnetic drive leaves the factory.

You run the ipconfig /all command on your Windows computer and see a hexadecimal value that looks like this: E0-70-EA-4E-AB-A5What does it represent? Select two.

MAC address Correct. The MAC address is the same as the physical address burned-in to the NIC. It cannot be changed by conventional means and is globally unique. Physical address Correct. The Physical address is the same as the MAC address burned-in to the NIC. It cannot be changed by conventional means and is globally unique.

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking noise coming from inside his computer.What might be the problem with Paul's computer?

Magnetic hard drive failed. Correct. Inside the hard drive are moving read/write heads and rotating platters; if they fail, they sometimes emit a loud clicking noise. This noise indicates that the hard drive is the problem.

You are installing a 1.5 TB hard drive in a computer. What two methods could you use to partition the hard drive?

Master Boot Record (MBR) Correct. MBR is an older method of partitioning hard drives that allows four primary partitions and is limited to 2 TB drives. GUID Partition Table (GPT) Correct. GPT is a newer method of partitioning hard drives that will allow up to 128 partitions on the hard drive. It must be used on drives larger than 2 TB but also supports drives smaller than 2 TB.

You are installing a webcam in the screen bezel of your laptop. Prior to disassembling the laptop, what other devices in the screen bezel should you be aware of? (Select all that apply.)

Microphone Correct. The microphone on most laptops is located near the webcam in the screen bezel. You should be aware of the cable and connector when working in the laptop bezel. WI-FI antenna Correct. The WI-FI antenna cables are in the screen bezel. There are usually two such cables, and they connect to the Wi-Fi adapter card on the motherboard.

The video on your laptop needs to be updated. You have researched online, and according to the manufacturer, you can install a new video card in your laptop.What is the most likely slot connection you will use to install a new video card in your laptop?

Mini PCIe Correct. You want to use the PCIe bus on your laptop for the new video card. PCIe 16x is the standard slot used by all video cards.

Which of the following problems is most likely to prompt you to calibrate an inkjet printer? Select two.

Misaligned colors on printed page. Correct. A calibrate function is carried out on laser and inkjet printers to align the colors. Misalignment of colors makes an image look like it is not aligned properly or is streaking. A calibrate function is typically carried out after the print head(s) is replaced on an inkjet printer and the imaging drum or transfer belt is replaced on a color laser printer. Colors appear streaked. Correct. Calibrating an inkjet printer is typically required to align and/or clean the inkjet nozzles. This can help solve a problem when colors appear streaked.

What connector has 4 pins, is used for older IDE drives and some SATA drives, and can provide +5 V and +12 V power outputs?

Molex connector Correct. The Molex connector is a 4-pin connector used for older IDE drives, some newer SATA drives, and extra power to video cards. It can provide +5 V and +12 V power.

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged capacitors?

Monitor Correct. A monitor may have charged capacitors and contain enough power to kill you, so you should never open it unless you have been specifically trained. This is why it is referred to as a "black box." Power supply Correct. The power supply may have charged capacitors and contain enough power to kill you, so you should never open it unless you have been specifically trained. This is why it is referred to as a "black box."

Today when Dylan turned on his computer, he noticed that the monitor was very dim. He could still see the desktop icon and text. He turned the brightness all the way up, but that did not correct the issue. Dylan also checked to make sure the Power Options brightness was not turned down, causing the screen to go dim. He connected a different monitor, and the screen was fine.What caused the screen to be very dim?

Monitor backlighting. Correct. The backlight on the monitor can go bad, and when it does, the monitor will look very dim. Dylan can replace the backlight, but it is generally more expensive than replacing the monitor.

During routine maintenance on your server, you discover that one of the hard drives on your RAID array is starting to go bad. After you replace the drive and rebuild the data, you run diagnostics on the RAID controller card with no problems, so you believe you fixed the problem. The next morning you arrive at work and discover that the RAID has completely failed. None of the disks are working. Your server is still running because you installed the OS on a non-RAID disk, but all the data is missing, and the server shows that none of your RAID disks are found. What might be the problem with your server? (Select all that apply.)

Motherboard Correct. Your motherboard may have a problem with the expansion slot that your RAID controller card is attached to. You can try the card in another slot to see if the slot is the problem. RAID controller Correct. Even though the diagnostics showed no errors, your card may have failed. This is evident because the entire hard drive on the RAID failed.

While working on your computer, you receive the POST error, "Drive Not Recognized." You check your SATA cable to see if it is the problem, and it tests fine. You remove the hard drive and test it in a computer system known to be in good working condition and find that the hard drive is working. You can move data and check to make sure the OS files are not corrupt. You use a power supply tester to see if the voltage for the SATA power connection is correct, and the test shows the power is correct. You even check BIOS to make sure the hard drive can be recognized and find that all settings in BIOS are at default, so the system should recognize the hard drive.What might be the problem with your hard drive system?

Motherboard SATA port has gone bad. Correct. The motherboard SATA port has failed. If you connect the drive to a different SATA port on the motherboard, the computer will boot provided the other port is fine.

When you turn on your computer for the day, you notice lights and fans but no beeps and no video. The Num Lock light does not come on.What might be the problem with your computer? (Select all that apply.)

Motherboard has failed.Correct. The fact that the computer is not running POST could indicate that the motherboard has gone bad. For a computer to run POST, you need a processor, RAM, and the motherboard code. When a computer fails to give any indication of a problem, you should check the Num Lock key on the keyboard. If the Num Lock light is not on, then POST has not run. You need to test each component to determine which one is not working properly. Processor has failed or is not seated properly.Correct. The fact that the computer is not running POST could indicate that the processor failed or is not seated properly. For a computer to run POST, it needs a processor, RAM, and the motherboard code. When a computer fails to give any indication of a problem, you should check the Num Lock key on the keyboard. If the Num Lock light is not on, then POST has not run. You will need to test each component to determine which one is not working properly. RAM is not working properly.Correct. If all the RAM has failed, then POST will not run on your computer. For a computer to run POST, it needs a processor, RAM, and the motherboard code. When a computer fails to give any indication of a problem, you should check the Num Lock key on the keyboard. If the Num Lock light is not on, then POST has not run. You will need to test each component to see which one is not working properly.

You are installing a new hard drive in a system in which the hard drive will run at 6.0 Gbps.What can you use to determine whether the SATA port number into which you are connecting the drive will also run at 6.0 Gbps?

Motherboard manual. Correct. The motherboard documentation will indicate the standard for each SATA connection on the motherboard. You will find the documentation online at the manufacturer's website.

Zeena is moving her business from her home to a small office because her revenue is growing modestly, but she still needs to watch the budget closely. She will have three employees. What type of printer would you recommend for her business?

Multifunction laser printer Correct. A multifunction laser printer will provide quality prints plus the capability to copy, scan, and fax depending on the model.

What is the general name of the processor feature that AMD calls HyperTransport?

Multithreading Correct. Multithreaded processors have extra registers, or holding areas, to store multiple threads for processing. Intel calls this technology Hyper-Threading and AMD calls it HyperTransport.

Benjamin recently issued new mobile phones to the marketing team at his company. Each phone can transmit encrypted information for payments made at a retail checkout counter. The technology also allows the marketing team to share data quickly. What technology is set up on the marketing team's phones?

NFC Correct. Near field communication (NFC) allows a phone to transmit encrypted information for making payments at checkout counters and to share files. The NFC range is around 10 cm, or around 3 inches.

Lucas works at a small production company that receives contracts to perform high-end video editing and rendering. He needs to buy systems with the ability to write 30 Gb/sec to a storage medium. What standard should the systems support?

NVM Express Correct. NVMe is faster than the others. It uses four lanes (PCIe x 4) at 8 Gb/sec per lane for a total transfer rate of 32 Gb/sec.

Cathy wants to connect to her wireless LAN at home but is not sure where to change the setting so that she can connect.Where in the Windows Control Panel will Cathy find her computer's network connection settings?

Network and Sharing Center

Cathy wants to connect to her wireless LAN at home but is not sure where to change the setting so that she can connect.Where in the Windows Control Panel will Cathy find her computer's network connection settings?

Network and Sharing Center Correct. Cathy will find the computer's network connection settings in the Network and Sharing Center. She will also see all the network connection types.

Jose calls you at the help desk because he is having a problem logging on to his laptop computer. After several unsuccessful attempts to enter his password, he asks you to reset the password because he must have forgotten it. You reset his password, and he types it, but again the computer rejects it. Jose assures you that he typed the correct username and password. You ask him what type of computer he is using, and he tells you a laptop.What might be the problem with Jose's computer?

Num Lock key is on. Correct. Laptops use this key to toggle between the keys interpreted as letters and the keys interpreted as numbers. Most laptops have a Num Lock indicator light near the keyboard.

David has a laptop that is having a problem with the video system. Initially you thought the problem might be the backlight, but in your research discovered it does not have a backlight. After additional troubleshooting you determine the laptop needs a new screen.What type of screen should you get for the laptop?

OLED

Devon would like to install a new hard drive on his computer. Because he does not have a SATA port available on his motherboard, he has decided to purchase a NVME SSD hard drive.How can Devon attach a NVME device to his computer? (Select all that apply.)

PCIe expansion card Correct. NVME (non-volatile memory express) storage accelerates the transfer of data using the PCI Express bus. Devon can add a PCIe 4x expansion card to add the NVME drive. U.2 port on the motherboard Correct. If an U.2 slot is provided on the motherboard, you can add the NVME drive. This U.2 slot uses a cable and has an enclosure that protects the hard drive. U.2 devices are also hot swappable. M.2 slot on the motherboard Correct. An M.2 port might also be used to connect the NVME drive. M.2 hard drives do not generally have an enclosure to protect the drive. They connect directly to the motherboard via a slot or hardware connector. M.2 is not hot swappable.

Mark has been asked to set up several smartphones to connect to the email server in the company for which he works. What is the effect of configuring POP3 vs IMAP using the default settings?

POP3 deletes messages from the email server, IMAP does not. Correct. IMAP is an email protocol that can synchronize email between multiple email clients on multiple devices. Using IMAP, Mark and others at the company will be able to read email on all the devices that receive their email. IMAP does not automatically delete messages from the email server when they are downloaded. POP3 is a protocol for receiving email by downloading it to a computer from a mailbox on the server of an Internet service provider. After the email is downloaded, it is deleted from the email server.

Your computer system loses power while you are working on a project for a very important client. When the computer restarts, you hear continuous short beeps coming from your computer, and the monitor is showing no signal.What do the beeps mean?

POST has failed, and you should research the BIOS beep codes. Correct. Research the BIOS type and beep codes. Continuous short beeps with an Award BIOS indicates a memory error; with an Intel BIOS it indicates a loose card or short.

Jaika works at a marketing firm with a lot of graphics-intense users. She is asked to install a printer that is capable of processing large graphics files that are very detailed. She cannot get it to print so she asks you for help. You notice the driver was not installed. What type of driver should you install? PCL Incorrect. PCL (Printer Control Language) was developed by Hewlett-Packard. It is used by many printer manufacturers and supported by many operating systems. It relies on the drivers in the printer hardware to create print data, so the print quality depends on the quality of the printer. Select PCL for general applications and select Postscript for graphic-intense applications printing.

PS Correct. PS (Postscript) is supported by fewer operating systems than PCL (Printer Control Language) and focuses mostly on Macintosh devices. It does not rely on the printer to create the print data creating consistency between different Postscript printers. Select PCL for general applications and select Postscript for graphic-intense applications printing.

Jana is an independent software developer looking for a cloud model that will allow her to easily and quickly provision computing resources, test her application, then release the computing resources when done. Which model should Jana use?

PaaS Correct. With PaaS (Platform as a Service) a developer can build and test an application over the web, and then throw out the machine and start over with a new one easily and quickly.

While servicing a laser printer, the technician notices that paper is jamming as soon as printing begins. What is the most likely cause of the paper jams?

Paper feed rollers Correct. Paper feed rollers pull the paper from the paper tray and feed it into the printer. If these rollers are not pulling the paper, you can try cleaning the rollers. If the problem persists, the rollers need to be replaced.

A technician is performing routine preventative maintenance on a laser printer and has been asked by the client to check the printer's paper feeder for issues.Which of the following printer parts should the technician check first for problems related to paper feeding? (Select TWO.)

Pickup rollers Correct. The pickup roller pulls a sheet of paper out of the paper tray and pushes it forward into the printer. These rollers wear over time and will require replacement to resolve paper misfeeds (no paper being pulled from the paper tray). Pickup rollers are used in laser, inkjet, and thermal printers. Separation pad Correct. The separation pad (also called a separate pad) keeps more than one sheet of paper from being pulled out of the paper tray at one time. If this pad is worn, multiple sheets will be pushed forward into the printer causing a jam condition. This is a regular, replaceable maintenance part.

You are running a performance test using three different browsers on the same computer to simultaneously access the same web site. What numeric identifier or address is used to keep the three connections separate at the application (browser) level?

Port number

A few users need to connect an external monitor, external keyboard and mouse, and to a wired network cable to their laptop while visiting a remote office. The laptops are not from the same manufacturer.Which of the following devices will allow the users to connect their laptops to the external devices?

Port replicator Correct. A port replicator typically connects to a laptop using a single USB port and provides the convenience of connecting external connections such as monitors, USB devices, and network patch cables. The port replicator isn't proprietary, meaning it is designed to work with any laptop with an open USB port.

The help desk received a call from a user who cannot get any print jobs to print on the locally shared printer. While questioning the user, the technician determines that no users can send jobs to the printer, and the printer indicates it is "Offline." The technician instructs the user on how to place the printer in the "Online" mode, but it still does not print.Which of the following may resolve this issue? Select two.

Power cycle the printer. Correct. A reasonable option is to power the printer off and back on and verify that the printer goes into "Online" mode. If the print jobs do not begin, it may be necessary to check the print queue on the workstation that the printer is attached to. Cancel jobs in the print queue and try again. Correct. A job may be stalled so canceling all the jobs and trying again may fix the problem. If this does not work try power cycling the printer.

What is the second step in opening the case of a working computer?

Power down the system and unplug it Correct. After backing up important data, you should power down the system and unplug it.

Tianna, an administrative assistant, has noticed the print quality of her locally connected laser printer has been gradually declining. Sometimes the printing is wavy and other times it appears speckled. She is asked to urgently print 10 copies of a 15-page document for an important meeting because the copy machine is being serviced. Since she cannot risk generating poor quality printouts, she calls you at the help desk. What would you do first to try to fix the problem quickly? Select two.

Print a self-test via the console on the printer. Correct. A self-test printout will help determine the scope of the problem. Is the problem with the printer, OS, driver, application, toner cartridge, and so on? Replace the toner cartridge on the printer. Correct. Since all major mechanical components that typically create problems are in the toner cartridge, replacing it will likely fix the problem quickly.

A user is experiencing garbled print on each page printed from her printer. Which of the following would be a probable cause for the garbled print? (Select TWO.)

Print drivers are corrupt or need to be updated. Correct. Corrupt print drivers will often produce garbled print. Updating the drivers may very well solve this issue. An application on the computer is sending garbled print. Correct. The application on the computer can cause garbled print. Try printing from another application, and if the problem disappears, reinstall or repair the application.

Which of the following is the correct order for the steps of laser printing?

Processing, charging, exposing, developing, transferring, fusing, cleaning Correct. This list is the correct order for the laser printing process.

What is the set of rules and standards that any two entities use for communication?

Protocol Correct. Protocol is the set of rules and standards that any two entities use for communication.

Keion works as a freelancer creating websites and designing logos for clients. He recently had a hard drive failure and lost work for a client, and he would like to prevent the same type of problem from happening again. Keion does not want to rely on a backup but would like a way to ensure that his data is safe on his computer. You recommend that he create a RAID array that will provide fault tolerance and not suffer data loss if one drive fails.What RAID configuration should you recommend to Keion?

RAID 1 Correct. RAID 1 can be configured to duplicate data to one or more additional drives.

Andre lost important data and wants to ensure it doesn't happen again. However, he has a limited budget and doesn't want to spend too much money implementing an expensive fault-tolerant solution.What type of RAID configuration would you recommend?

RAID 1 Correct. RAID 1 is a type of mirroring that duplicates data on one drive to another drive and is used for fault tolerance. RAID 1 can be implemented with only two drives, so it is a less expensive solution than RAID 5 which requires at least three drives.

Lin is booting up his computer. Sometimes during the boot process, the computer will shut down, but more often than not it will reboot on its own or simply freeze. He thinks the problem could be due to an intermittent undervoltage problem with the power supply, so he uses a power supply tester. The test shows that the power supply is functioning properly.What should Lin check next in the troubleshooting process?

RAM Correct. RAM is the simplest thing Lin can check in this troubleshooting process. To reseat RAM, Lin pulls outward on the supporting arms that secures the memory module in the DIMM slot, removes the memory, and reseats it. He pushes down gently but firmly on both ends of the memory stick until the supporting arms latch it in place. Faulty RAM will typically not cause the computer to shutdown but troubleshooting this component can at least rule it out as being the problem.

George is involved with a project at work. Over the last few weeks, he has noticed a gradual but significant degradation in performance when running his AutoCAD program. He calls the technician and asks him to check his computer. The technician tells George to reboot the computer and asks George how much RAM was detected. The amount of RAM reported is exactly as expected.What hardware could be causing this problem? Select two.

RAM Correct. The most common cause of RAM not being detected is a memory module that is not seated properly. The technician should reseat all the RAM and see if that fixes the problem. If not, then he should check each RAM module individually by placing only one module in a RAM slot and restarting the system to see if a particular RAM module has gone bad. Motherboard Correct. The motherboard DIMM slot could also be causing this problem. The best way to determine whether the motherboard is the problem is to remove and replace all the RAM, one module at a time. This process tests each slot to see whether a particular memory slot is the issue.

You notice that your computer is running slow and decide to reboot the computer to see if that will fix the problem. During the reboot, you notice that the amount of RAM shown during the RAM count is not the same as it was the day before.What might cause this problem?

RAM module has become unseated.Correct. The most common cause of RAM not being detected is a memory module that is not seated properly. You should reseat all the RAM and see if that fixes the problem. If that does not fix the problem, remove all the RAM, and reinstall each module individually to see if a particular RAM module is not working properly.

Arun recently graduated with both, civil and electrical engineering degrees. His first project is to design a system that will replace the manual tolls in a highway with a wireless toll booth collection system. He decides that passing vehicles should have a small device that transmits data to fixed stations at various points along the highway for automated billing. What type of technology should Arun consider to be the most viable?

RFID Correct. RFID uses wireless technology to transfer data including for example, data from a registered transponder in a vehicle to a wireless toll booth collection system to identify the vehicle with a high degree of accuracy at highway speeds.

A large retail chain has asked Dillion to explore wireless technologies to see if there is a better way of tracking apparel inventories. What technology should Dylan recommend to his company?

RFID tags Correct. RFID tags use a passive or active tag. This technology is used by some companies to track inventory.

Online activity for a retail company rises dramatically in November and December. Which cloud computing feature allows them to automatically scale up or down their computing resources to meet demand?

Rapid Elasticity

What is the purpose for the twists in twisted pair Ethernet cabling?

Reduce crosstalk between wire pairs.

Your office has been sharing an inkjet printer connected to a PC with very limited resources. They ask you to upgrade the printer, so you decide to get a laser printer that has a built-in NIC (network interface card). What type of printing will you set up?

Remote printing Correct. A remote printer is connected to a local network and is identified either by an IP address or a host name.

A student uses a flash drive to store assignments/homework. The student plugs in the flash drive, reboots the computer, and it displays a message indicating the operating system is not found. What are two possible ways of fixing the problem relatively quickly?

Remove the USB flash drive and reboot the computer Correct. If the boot sequence in the BIOS/UEFI lists a USB device as first, it will try to boot from the USB flash drive first. Removing the USB flash drive will allow the boot sequence to advance to the next device which may be the hard drive containing the operating system. Change the boot sequence via the BIOS/UEFI screen Correct. Changing the boot sequence to boot from the hard drive first will bypass the USB flash drive and allow the system to boot successfully.

Kwan, a fifth-grade teacher, has been learning about computers but does not know much about networking. He found a hub in the supply closet and decided to create a small network in his classroom consisting of a file/application server, 10 relatively new computers, and a printer. The students often complain that the computers are slow, but one student blames it on the network. What can Kwan do to eliminate complaints?

Replace the hub with a switch

Ulysses has a laptop with a very dim monitor. He connects an external monitor, and it works just fine. How can Ulysses fix the problem?

Replace the inverter board. Correct. The fact that the external monitor works, the onboard video is driving the signal correctly, but the inverter board is failing. Replacing the inverter board will restore the LCD to its original brightness.

While you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover, you notice a distended capacitor. What can you do to fix this problem?

Replace the motherboard.

Sara is having a tough time finding the cause of a problem on a computer she is troubleshooting. She found a possible problem but is not sure if she is correct. In case she is wrong, Sara does not want to test her theory, because doing so might worsen the problem.What would you advise Sara to do?

Research the problem on the Internet. Correct. Sara should research the problem until she is sure of her theory. If she thinks it might cause a different problem, she must talk to the customer before testing her theory.

Amoy is responsible for maintaining the high-end printers in her company. One of the printers is giving an indication that it is time to replace the transfer roller assembly, so she orders a maintenance kit to perform the replacement.Which of the following will be a part of the replacement process? Replace the print ribbon. Incorrect. The print ribbon is a consumable item in an impact printer. The ribbon is responsible for applying the image on the printed page. When the printout begins to get lighter than usual, one item you check is the ribbon.

Reset the page counter. Correct. After replacing the maintenance kit, the page counter must be reset to zero so the next maintenance cycle will be performed at the proper page interval. This page counter is not the total page count printed on the printer, rather it is the number of pages printed since the last maintenance kit.

Which of the following is a function of an endpoint management server appliance?

Restricting a device's access to the network until security requirements are met. Correct. An endpoint management server will monitor endpoint devices on the network to ensure they meet the most current security requirements. If security requirements are met, the device is granted access to the network. The user or device will still be required to authenticate on the network. If the endpoint management server determines a device does not meet the minimum security requirements, the device's access to the network is blocked.

You have been tasked with performing routine maintenance on an inkjet printer. After printing a test page, you notice missing lines of print in various areas throughout the page.Which of the following should you do to resolve this issue? (Select TWO.)

Run the head cleaning utility. Correct. The first step in resolving an issue of missing lines on an inkjet printer is to run the head cleaning utility. This is typically done from the Services tab in the printer Properties dialog box, installed as an application or is launched from the printer's control panel. Manually clean the print nozzles. Correct. If after running the print head cleaning utility, the printer is still missing lines, you can manually clean the print head using distilled water and a cotton swab. If manual cleaning does not resolve the issue, the print head or print cartridge will need to be replaced.

A large corporation needs a high-speed network to test a product that will backup and restore terabytes of data. What type of network should they use?

SAN

You work for a supplier that provides technology products to a variety of industries. One of your partners calls you and indicates they need to buy 10 computers that will run an application that requires writing to the hard drive at 3.5 Gb/sec.What standard should the SATA connector on the motherboard support?

SATA Revision 3.x Correct. SATA Revision 3.x  is rated at 6 Gb/sec.

Jenny is working on a laptop computer and notices that the computer is not running very fast. She looks and realizes that the laptop supports 8GB of RAM and that the computer is running only 4GB of RAM. Jenny would like to add four more gigabits of RAM. She opens the computer and finds that there is an open slot for RAM. She checks the other module and determines that the module has 204 pins.What module should Jenny order?

SO-DIMM DDR3 Correct. SO-DIMM DDR3 has 204 pins. The amount of data transferred using DDR 3 per second can range from 8.5GB to 14.9GB, depending on the speed of the FSB (front-side bus).

You are completing a networking assignment and need to connect devices as shown in the schematic. Computer PC1 connects to switch S1. S1 connects to router R1. R1 connects to router R2. R2 connects to switch S2 which connects to computer PC2. None of the devices support auto-linking.PC1 - - - - S1 - - - - R1 - - - - R2 - - - - S2 - - - - PC2Beginning with PC1, what type of cable do you need to connect the devices (XO = crossover, ST = straight-through)?

ST, ST, XO, ST, ST

Jochi just started college and is using an online LMS (learning management system) to gain access to his assignments. From his perspective, what type of cloud service does the LMS represent?

SaaS

Reyad is preparing for a hands-on Linux exam. He wants to practice in an isolated environment on his computer because he does not want his live system to be negatively affected. Which of the following should he implement?

Sandbox

You are asked to set up a scanner so that scanned documents are automatically stored on a local file server. Which one of the following scanning mechanisms will you need to set up?

Scan-to-SMB Correct. Scan-to-SMB (Server Message Block) is a convenient way to scan files to a server. The server needs to use the SMB protocol which allows file sharing. To setup scan-to-SMB you'll need the IP address of the host, the file path to the shared folder on the SMB server as well as a username and password to limit access.

James works at a secure facility as an IT specialist, where there must never be documents left in the printer to be picked up later, or possibly forgotten. What feature can he configure to ensure documents are not printed until the user goes to the printer and enters a code? AAA Incorrect. AAA is Authentication, authorization, and accounting. It is used to authenticate users and/or devices on a network, limit what they can do and access, as well as log all activity.

Secured printing Correct. Some larger network printers support this feature where a code is required to generate the printout.

James wants to sync his Android phone to back up his pictures. However, he does not want to sync his data files. How can James select what to synchronize from his phone to Google storage?

Settings app

Venus is a member of the IT department at a company that has a moderately-sized network. One of her performance review objectives is to help her department be more proactive relative to being notified, and responding to, certain events that occur in the network. What type of server will help her meet the objective?

Syslog Server Correct. A syslog server gathers information about various network devices and stores the events into a database. Syslog messages have a numeric identifier to denote the severity of the event.

Jesenia read an article that said stored data, such as when you are downloading an app, is transmitted using TCP, but live-streaming events are transmitted using UDP. Why would this be true? Select two.

TCP is reliable and ensures the delivery of data using a connection-oriented mechanism. Correct. TCP (Transmission Control Protocol) is reliable and uses a connection-oriented mechanism to guarantee the delivery of data. It expects an acknowledgement from the destination. If it does not receive one, it resends the data. UDP is fast and does not retransmit lost data so as not to disrupt the live video feed. Correct. Live stream video feeds and real-time calls using Voice over IP are best delivered in a continuous stream so as not to disrupt the experience. If a live-stream video packet is lost, the video quality may be degraded for a second. If a voice packet is lost, the recipient could ask to repeat the statement.

Sara works in the IT department for a large retail store. She has been testing a theory about why an error message keeps popping up on a coworker's computer when they try to start Windows. She has hit a wall and doesn't know where to look next. Sara feels very frustrated with the problem.What should Sara do to help work out the solution?

Take a break and come back later. Correct. If Sara is becoming frustrated, she can take a break, walk away, and start afresh. This is Rule 11 of troubleshooting strategies and is the best way to beat frustration. Walking away and giving herself a fresh start later will help her uncover events or steps that she may have overlooked.

Abdel, an electrician, does not know much about computers so he orders a custom computer with a 1000 W power supply. However, the maximum wattage the system needs is 500 W.Which of the following statements are true? Select two.

The 1000 W power supply will last longer than, for example, a 750 W power supply. Correct. A 1000 W power supply operating at 500 W will last longer because the load is only 50% of its capacity so it is not stressed. It will also run cooler. The power supply will only deliver up to 500 W of power and operate very efficiently. Correct. The power supply will only deliver as much power as is being requested so it will only deliver 500 W of power in a very efficient manner.

Which two statements are true about 4-pin 12 V, 8-pin 12 V, 6-pin PCIe, and 8-pin PCIe connectors? The 6-pin and 8-pin PCIe connectors provide auxiliary power to the CPU. Incorrect. The 6-pin and 8-pin PCIe connectors provide auxiliary power to high end graphics cards using PCI Express, not to the CPU.

The 6-pin and 8-pin PCIe connectors provide auxiliary power to video cards. Correct. The 6-pin and 8-pin PCIe connectors provide auxiliary power to high-end video cards using PCI Express.

Larry got a new job and moved from New York to Hawaii. After a couple of weeks, he notices that occasionally, the time, date, and time zone are all wrong. He has no idea what is happening and believes it is because he moved to a different time zone.What is likely to be causing the problem?BIOS is corrupt and needs to be flashed.(X)Incorrect. Larry's computer is turning on without other issues, so the BIOS is not the problem. If the BIOS was corrupt, the power-on self-test would fail. The problem is a failing CMOS battery, but it will still allow the computer to pass POST.The internal clock rate is unstable and drifting.The motherboard is degraded and about to fail.The CMOS battery is failing and needs to be replaced.Larry didn't set the time on his computer after he moved.

The CMOS battery is failing and needs to be replaced.

A restricted computer lab at a college has been set up with local authentication. Students are able to log in but do not have internet access. You check the network settings on one of the computers and it has an IP address of 169.254.1.10. What is the problem?

The DHCP server is not reachable Correct. When a computer is configured to request an IP address from a DHCP server on power up, and the DHCP server is not available or reachable, the operating system will assign an address in the 169.254.x.y address space (APIPA, Automatic Private IP Addressing). This allows devices in the local network to have connectivity with each other but not with computers on another network, hence internet access is not possible. The host will transmit a DHCP discover message periodically in an attempt to obtain an address from a DHCP server.

Which two statements are true regarding conventional PCI and PCI Express (PCIe) slots?

The PCI bus transports 32 data bits in parallel. Correct. The PCI bus transports 32 data bits in parallel. PCIe uses multiple lanes but each lane transmits data in a serial fashion. The PCI bus operates at about 500 Mbps. Correct. The PCI bus operates at 500 Mbps. All modern PCIe slots operate at higher speeds.

You buy a PoE (Power over Ethernet) security camera in a liquidation sale that requires at least 22 Watts of power. Before installing it, you test it by connecting it to a switch capable of transmitting power based on the PoE IEEE 802.3af standard. However, the camera does not turn on. Which of the following best describes the problem?

The PoE device is not transmitting enough power to turn on the camera

The back cover of a mobile device is warmer than usual, and the battery seems to lose its charge much quicker than normal. The user has scanned for malware, closed unused apps, and decreased the brightness level of the screen, but the symptoms persist. Which of the following is the most likely cause for this behavior?

The battery is going bad. Correct. A battery that is going bad will cause its charge to be depleted much quicker than normal. Many times, a failed or failing battery can cause the device to feel hotter than usual.

Torino receives a call from a SOHO client who says her computer is not working. He goes to her office and checks the network settings. He notices that the default gateway entry is blank, yet he can ping the router. Once he enters the default gateway, the problem is solved. What did the client mean when she said her computer is not working?

The computer had no internet access Correct. If the default gateway is not set, the computer will not be able to send traffic outside of the local network. He can ping the default gateway because the router interface is part of the local network. The address on the router interface is the default gateway but the computer does not know this unless it is explicitly configured either manually or automatically using DHCP.

Juridia buys new a 16 GB flash drive, she takes it out of the package, and tries to copy an 8 GB file to it. However, the operation fails with an error message indicating the file is too large. Which of the following statements are most likely to be true? Select two.

The flash drive needs to be reformatted with the NTFS or exFAT file system. Correct. It is likely the flash drive was formatted with the FAT32 file system from the factory which supports files up to 4 GB in size. Formatting it using the NTFS or exFAT file system will remove the limitation. If you need to format a flash drive that has user data, make sure you back up the data first. The flash drive has the FAT32 file system, which supports files up to 4 GB in size. Correct. If the flash drive has the FAT32 file system, it will only support files up to 4 GB in size. Reformatting the flash drive using the NTFS or exFAT file system will eliminate this restriction.

A technician has determined that a laptop keyboard will need to be removed in order to replace the laptop's CPU cooling fan.Which of the following steps will most likely be required before the technician can remove the keyboard from the laptop? (Select two.)

The keyboard cable(s) will need to be disconnected from the ZIF socket(s). Correct. Typical laptop keyboards are connected to the system board via one or more ribbon cables. The system board end of the ribbon cable utilizes ZIF (zero insertion force) sockets. These cables will need to be disconnected prior to removal of the keyboard. The keyboard bezel will need to be removed. Correct. The keyboard bezel is a part of the plastic covers of a laptop and is the cover that surrounds the top of the keyboard. For some laptops, the case top covers the keyboard. Regardless of whether the cover is the bezel or the case top, it will need to be removed first in order to remove the keyboard.

After Sandy and a friend troubleshoot her laptop they determine the LCD screen needs to be replaced. Sandy gets tired of waiting on her friend, who knows more about computers, and decides to do it herself by watching videos online. In the process, she accidentally breaks one of the two cables that wrap around the screen and connect to the mini-PCIe card inside the laptop.What is the impact of this mishap?

The laptop will lose its Wi-Fi capabilities.

You want to setup a separate network at home that is accessible from the internet. You want it to be isolated from your personal network, so you lease an IPv6 address from the ISP. When you configure the interface IDs of the devices on the network, which bits in the IPv6 address will you be modifying?

The last 64 bits of the IPv6 address

Charanya decides it is time for an upgrade. She buys a new computer, a used 17-inch LCD monitor at a thrift shop, as well as a VGA splitter for screen duplication purposes and compatibility with the original VGA monitor. When she plugs in the monitors, the image on the LCD monitor is blurry. What are possible explanations for, and/or how could she rectify, this condition? Select two.

The monitor is not set to the native or recommended resolution hampering the image quality. Correct. If the monitor is not set to the recommended or native resolution, image blur could result. Upgrading the VGA cable to a DVI, HDMI, or DisplayPort standard will improve the image quality. Correct. Image blur is possible if using a VGA cable with an LCD monitor. A digital connection such as DVI, HDMI, or DisplayPort will help render better image quality.