Comptia
Jim wants to be able to access his favorite website wirelessly with his new laptop, from anywhere. Which of the following would be the BEST choice for him to install/configure? Cellular card
A cellular card would allow Jim to be in any location he would like and not have to worry about wires. Unless there's no cellular signal. Sorry, Montana! Incorrect Answers:Bluetooth and Infared are known for their ability to connect devices wirelessly in short ranges, but not for internet connections.An 802.11g wireless card would be great, however, Jim wants to be able to go anywhere. That includes the middle of the park if he wants.
What device enables a laptop with a single video output port to support multiple monitors? Docking Station
A docking station enables you to add additional ports and features that a laptop would otherwise not have. Incorrect Answers:A VGA to DVI converter just enables you to hook a DVI cable up to a VGA port.A monitor arm enables you to reposition your monitor.A PCMCIA card is a type of expansion card for a laptop.
If a client wanted to store all her media in one place and then stream it to all her devices, which of the following should a tech recommend to her? Home server
A home server would suit the client's needs perfectly, enabling her to share all her media from a single machine. Incorrect Answers:Home theater PCs, gaming PCs, and virtualization workstations aren't specifically designed to share media.
What networking device converts analog signals to digital ones? Modem
A modem, or modulator/demodulator, converts analog phone signals into the digital signals needed by the computer. Incorrect Answers:Switches, hubs, and routers are all entirely digital devices.
Which of the following characteristics would you look for in a virtualization server? (Select two.) Maximum-core processor Maximum memory
A virtualization server needs as many CPU cores and as much RAM as possible. Incorrect Answers:A virtualization workstation doesn't need a high-end graphics card, dual monitors, or surround-sound audio.
When setting up an LCD monitor, which resolution mode, by definition, provides the best visual quality? Native
An LCD monitor's native resolution defines the highest resolution a monitor can support. It is therefore the best picture quality the monitor can achieve. Incorrect Answers:SVGA is the name for the resolution 800 x 600.Digital just means 1s and 0s. It's not a resolution.XGA means 1024 x 768.
What is the first step you should take when replacing a network printer? Notify all users before unplugging printer.
Before unplugging any shared network resource, be sure to notify other users who might need to access it. It's only polite. Incorrect Answers:Don't unplug the printer before notifying the other users.Also, saving or deleting print jobs isn't really part of the process.
A mobile phone is responding slowly and erratically for a user. The user has tried a soft reset on the device, but the phone continues to respond slowly. Which of the following is the BEST step the user can take to fix this problem? Close applications that are unused.
Close the unused apps is the best answer. Many people do not realize that the amount of applications that are running in the background on your mobile device. If you have performance issues, try reviewing the applications that are running on your system, and close applications that are not being used. Incorrect Answers:Power settings will not assist, they are designed to help the battery life of a device.Resetting the tablet may fix the problem, however, you will lose all your data. This problem does not require drastic measures.Turning off location services will not assist. It may help your battery, but it would not affect your response time.
What would you use to enable multiple PCs to share a monitor? KVM
Correct Answer:A KVM (which stands for keyboard, video, and mouse) enables you to share a single monitor and set of inputs among several computers. They're used extensively in computer repair shops. Incorrect Answers:A router connects two networks together.A network bridge combines two distinct networks into one larger network.A wireless keyboard won't help you use share a monitor among PCs.
Police commisioner Gordan has noticed a rash of laptop thefts throughout Gotham city. What can he recommend to Gotham's citizens as the most effective way to prevent laptop theft? A cable lock
Correct Answer:A cable lock will stymie all but the most dedicated thieves. Incorrect Answers:CCTV doesn't prevent theft so much as make it easier to find the thieves.Badge readers and retina scanners won't stop someone from picking up your laptop and walking off with it.
Which of the following is the best tool to make sure a network cable is securely fastened in an RJ-45 connector? Crimper
Correct Answer:A crimper attaches RJ-45 plugs to the ends of an Ethernet cable. Incorrect Answers:A cable tester will ensure that you've crimped a cable properly, but you can't crimp cable with one.Neither a screwdriver nor a punch down tool will help you here.
What is the most important measurement of a projector's performance if it's primiarly going to be used in a conference room with a lot of natural light? Lumens
Correct Answer:A projector with a very bright bulb (measured in lumens) will project a visible image even in a very bright room. Incorrect Answers:The resolution and contrast ratio won't matter if you can't see the image the projector is displaying.HDMI compatibility doesn't really factor in here.
What device performs network address translation (NAT)? Router
Correct Answer:A router can implement NAT to share a single public IP address among several local PCs. Incorrect Answers:A switch just addresses packets based on MAC addresses. It doesn't do NAT.A hub broadcasts packets across a LAN. No NAT here!A modem is used for dial-up Internet.
What decides which part of an IP address is the host address and which part is the network address? Subnet mask
Correct Answer:A subnet mask splits an IP address into a network address and a host address. Incorrect Answers:DNS is responsible for for resolving IP addresses to domain names.A default gateway is a network's default router.A DHCP lease is the amount of time that a DHCP server grants a computer its IP address.
A user who returns from vacation complains that his battery is draining quickly since his vacation. During the vacation he installed a new app that uses the GPS function on his mobile device. Which of the following will MOST likely resolve the issue without a loss of data? Adjust location settings
Correct Answer:Adjust the local settings. Some GPS apps use location reporting or location history. These items can be turned off without causing a loss of data, and will help maximize your battery life. Incorrect Answers:Rebooting the mobile device will not turn off the setting that is causing the drain.An app update will not turn off the setting that is causing the drain. Uninstalling the GPS enabled app will stop the drain, but it could cause a loss of data.
What must you do when installing a PCIe sound card? Install drivers
Correct Answer:As with any new hardware install, you've got to install drivers for your device before you can use it. Incorrect Answers:You don't need to install any more RAM, configure any jumpers, or flash the BIOS to install a simple sound card. Talk about overkill.
In Windows, what gives a PC an IP address in the absence of DHCP? APIPA
Correct Answer:Automatic Private IP Addressing (or APIPA) hands out IP addresses when the PC isn't getting one from anywhere else. You won't get on the Internet with an APIPA address, though. Incorrect Answers:The Address Resolution Protocol (ARP) resolves IP addresses to DNS names.IPv6 is the latest revision of the Internet Protocol; a 128-bit addressing system that will save us all from a future without Internet.DNS is in charge of
A user is clearing out their hard drive space. They have some personal video that they would like to keep, but no longer need it on their system. Which of the following types of media is the LEAST expensive with a maximum capacity of 700MB? CD-R
Correct Answer:CD technology is the least expensive of the technologies listed and can hold the 700MB capacity required. Incorrect Answers:USB drives are a more expensive media.Blu-Ray drives are a more expensive media.DVD-R drives are a more expensive media
A customer notices that when they are in their basement, her smartphone battery drains unusually fast, and they have poor cellular reception. Which of the following is the reason for the fast battery drainage? Weak signal
Correct Answer:Cellular phones are foremost a phone, and will strive to maintain a cellular signal. The constant attempt to connect to the cellular tower with bad reception can drain your battery at a higher rate than usual. Incorrect Answers: Unpaired bluetooth will not cause a signficant drain on the battery.A defective MicroSD card will not drain power from your battery.Malware is a term used to refer to intrusive software and malicious progams.
A wireless network is experiencing intermittent connectivity. Which of the following would best resolve this issue? Change broadcast channel
Correct Answer:Changing your broadcast channel to a less-used one can prevent interference caused by other nearby wireless networks. Incorrect Answers:MAC filtering, wireless encryption, and disabling SSID broadcasting are all security measures, not solutions to intermittent connectivity.
If you want to utilize your motherboard's dual-channel RAM feature, what type of RAM do you need to use? DDR
Correct Answer:DDR RAM is the only type of RAM to support dual-channel. Incorrect Answers:None of the other types of RAM support dual-channel. They're also all outdated, so you probably won't actually see them anywhere.
What does DNS do? Provides mapping of user friendly names to network resources.
Correct Answer:DNS provides easy-to-remember names for computers on a network so that users don't have to remember IP addresses. Incorrect Answers:The other answers don't describe DNS.
What type of transmission medium is used by a DSL modem? Household telephone lines
Correct Answer:DSL modems use telephone lines to transfer data. Incorrect Answers:Cable modems use cable coax.There is no form of DSL that uses fiber optic wires.
The image on a customer's laptop is very dim, with only the outline visible. What can cause this problem? (Select two.) Inverter LCD
Correct Answers:If the LCD's inverter fails, the backlights can't get any power, causing the image to be so dim as to look almost black. Incorrect Answers:Laptops don't use plasma screens or CRTs, since they are heavy and bulky.OLED screens are very uncommon and don't require a backlight. They either work or they don't; the picture won't get dim from an error.
A company is updating their office routers that handle all incoming and outgoing networking traffic. They would like the PCs to immediately connect to internet and network resources, without any additional configuration. Which protocol should the technician use to meet the requirements? DHCP
Correct Answer:Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. Incorrect Answers:NAT is used to translate private LAN addresses into a shared public address. Port forwarding allows calls to a particular port of a public address to be directed to a specified internal IP address and port QoS is used in a router to prioritize and optimize inbound and outbound traffic.
Bilal is on his wireless network and his laptop receives the IP address 169.254.155.2, but cannot connect to the Internet. Which of the following should Bilal check on the wireless router? DHCP
Correct Answer:Dynamic Host Configuration Protocol (DHCP) is the protocol/service that hands out IP addresses to all the devices on your network. If you can't contact the DHCP server, then your computer will automatically generate an APIPA of 169.254.x.x. Incorrect Answers:Wi-Fi Protected Access (WPA) is a level of encryption that uses TKIP as its encrypting algorithm.Wi-Fi Protected Access version 2 (WPA2) is a full upgrade from WEP and WPA. It uses AES as its encryption algorithm and is the most secure encryption you can currently use in Wi-Fi.Domain Name Service or System (DNS) takes friendly domain names and turns them into IP address so that you can surf the World Wide Web in bliss.
A company has a printer that currently has network access. They would like the group of users to be able to access the printer. Which of the following connection types is the BEST to achieve the access? Ethernet
Correct Answer:Ethernet networking can easily provide device sharing and it is currently configured with their network. Incorrect Answers:Serial cabling could work, but the printer already has network access.USB cabling could work, but the printer already has network access.eSata is not a valid connection for a printer.
Of the following connection types, which can operate over the longest distance? Fiber
Correct Answer:Fiber-optic connections can operate over2000 meters. Incorrect Answers:The USB 3.0 standard doesn't actually define a maximum cable length, but it's probably somewhere around 3 meters.Both CAT 6 and CAT 5 cables have a maximum length of 100 meters.
A technician notices that a computer is making a loud clicking noise but continues to run. System speed is barely affected, but they cannot access certain drives. These are the symptoms of which of the following? Failing second hard drive
Correct Answer:It's highly likely that a non-system drive is on its way to the great hard drive bay in the sky. Incorrect Answers:If it was a system drive, then the computer wouldn't boot or would randomly crash.A bad CMOS chip would result in a non-booting PC.If the CPU fan went bad, it would likely cause the computer to shut down intermittently due to overheating.
If a technician has just replaced a laptop's motherboard due to video issues, what should he do first if the speakers stop working? Check the speakers connection to the motherboard.
Correct Answer:It's very likely that the speakers simply didn't get hooked up correctly. Incorrect Answers:Video drivers probably won't have much to do with sound issues.Don't replace the speakers before making sure that they're hooked up properly.Due to the way laptop hardware works, the replacement motherboard is probably the exact same as the old motherboard.
What type of printer uses an imaging drum? Laser
Correct Answer:Laser printers use lasers to charge the surface of the imaging drum in the shape of the image to be printed. Incorrect Answers:None of the other printers use an imaging drum.
When installing a printer in Windows, which of the following is the purpose of the Additional Drivers button on the Sharing tab in the printer's properties? To add additional drivers for other operating systems.
Correct Answer:Not every computer accessing the shared printer will be running the same version of Windows, so the Additional Drivers button enables you to install drivers for other versions of Windows. Incorrect Answers:None of the other answers describe the purpose of the Additional Drivers button.
You are shopping for a new wireless router. Which standard is going to provide you the fastest throughput? 802.11n
Correct Answer:Of the different Wi-Fi standards, 802.11n offers the greatest throughput at up to 600 Mbps. Incorrect Answers:802.11a and 802.11g both operate at 54 Mbps.802.11b operates at 11 Mbps
Which of the following can be used as a boot device? USB device
Correct Answer:Of these options, only a USB drive can hold data, making it the only possible boot device. Incorrect Answers:HDMI is an interface for high-definition audio/visual signals.A tuner card picks up television signals on a PC.FDISK is a command-line utility used to partition disks.
Which setting has the highest possibility of resulting in an IP address conflict? Static IP address
Correct Answer:Setting static IP addresses on a network can result in duplicate IPs if the network tech isn't paying attention. Incorrect Answers:Setting a custom DNS address won't result in an IP address conflict.QoS doesn't cause IP address conflicts.Universal plug and play has nothing to do with IP addresses, so it shouldn't cause IP address conflicts.
A customer is not able to connect to any Web sites. Which of the following commands should a technician run first to identify the issue? IPCONFIG
Correct Answer:The IPCONFIG command will show you a system's IP information, which should enable you to more effectively troubleshoot the system. Incorrect Answers:NETSTAT displays all the network connections being made to a system.NET SHOW is a command for IBM's WebSphere Cast Iron client. Not something you'll run into while doing desktop support.TRACERT lists all the routers that a packet takes as it travels to its destination.
What connector would you use to connect a video card to a power supply? PCIe 6-pin
Correct Answer:The PCIe 6-pin connector plugs into higher-end video cards. Some video cards require two of these connectors! Incorrect Answers:The 8-pin 12 volt connector plugs into the motherboard to provide additional power to the CPU.The 20-pin, or P1, connector provides power to older motherboards. It has been largely replaced with a 24-pin connector.SATA connectors are for, you guessed it, SATA drives.
A client's PC will no longer boot following the annual test of a company's back-up generator system. When the client attemps to turn on the system, the display receives no output. Upon arrival, the technician also notices there are no POST beep codes when turned on, however, the system's fans do begin to run after turning on. The client describes the fans as being louder and faster than normal. Which of the following is the MOST likely issue? Motherboard was damaged during the power test.
Correct Answer:The motherboard is not working, because there are no beep codes. Incorrect Answers:A power test cannot erase a hard drive.RAM damage could prevent the system not to boot, however, the motherboard would still emit a POST beep code for RAM.If the power supply was not functional, the fan would not spin.
You are troubleshooting a desktop computer. You have just removed every component, except for the bare essentials, but the computer still won't boot up. When you turn on the computer, all you receive from the system is a repetitive series of beeps. Which of the following is MOST likely the problem? The memory
Correct Answer:The ongoing series of beeps is the wonderful sound of bad RAM. Swap the RAM out and get some that is working and compatible with your system. Incorrect Answers:The keyboard being bad or disconnected will usually show a prompt on your screen.The video card being bad or disconnected will usually be 1 long beep followed by 2 short ones.The CPU being missing or bad will make your computer just sit there like a rock with power applied to it.
A user is reporting that her laptop cannot connect to the wireless network from her office, even though she was able to connect yesterday. Which of the following would be the most likely reason? Radio switch on laptop is disabled
Correct Answer:The radio switch is the bane of laptop users everywhere. It's very easy to accidentally switch the wireless signal off, which many users don't think to look for. Incorrect Answers:If the radio switch was enabled, there would be no connectivity issue.Channel interference would most likely result in slower network speeds, not a connectivity issue.Assume that the user was trying to connect from the same location as yesterday.
A technician obtains a maintenance kit that contains a fuser, transfer roller, and pickup rollers to perform maintenance on a printer. What type of printer will they be maintaining? Laser
Correct Answer:The transfer roller is used to transfer the image created in toner to the paper. A laser printer is the only printer that will use toner to create the image on paper. Incorrect Answers:Impact printing does not use a transfer roller.Thermal printing does not use a transfer roller.Inkjet printing does not use a transfer roller.
One of the network printers is producing copies where the toner is smeared on paper after printing. What component should be checked? Fuser
Correct Answer:Thermal and laser printers use a fuser to heat the toner to a melting point. Once melted, the toner will fuse with the fibers of the paper. Incorrect Answers:A maintenance kit is a kit of replacment parts. It may assist in the repair, but it is not a component.The paper output tray is only used once the printing process is complete. It will not effect the print job.The print spooler is a software based program that schedules print jobs; it does not effect the actual printing.
A technician is trying to diagnose a laptop that is experiencing heavy artifact corruption and random loss of video during operation. Which of the following are most likely causes of this problem? (Select two.) Integrated system video chip is failing and/or near death Incompatible or untested video drivers have been installed.
Correct Answer:This sounds like a case of either a dying video card or bad video drivers. Hopefully it's the drivers, or else the laptop's owner is about to have to go laptop shopping. Incorrect Answers:It's not at all necessary (and is in fact probably a bad idea) to install video drivers from Windows Update.The BIOS doesn't have to be set for the operating temperature of the video chipset. This is a nonsense answer.Underclocking a video chipset is unlikely and, if it was occuring, would probably tend to make things more stable, not less.
You are working on a laptop with an LCD screen that has dead pixels. What is the best way to get rid of them? Replace the LCD panel
Correct Answer:Those pixels are defective and the LCD is failing to reproduce light levels correctly. The only way to fix this is to replace the LCD panel itself. Incorrect Answers:You should replace the inverter when you see nothing but a faint image on a dark screen. Replace the backlight(s) when the LCD screen starts to go dim or eventually just goes black.Replacing the back bezel might make your latop look brand new again, but it won't fix a dead pixel.
Which of the following display connections has 15-pins? VGA
Correct Answer:VGA connectors are also known as DE-15 connectors because they have 15 pins. Incorrect Answers:Component RGB connectors have 3 plugs and are used in home theater connectivity.DVI connectors have 29 pins.HDMI connectors have either 19 or 29 pins, though they're not really visible from the outside of the connector.
What is the least secure type of wireless encryption? WEP
Correct Answer:WEP, or wireless equivalent privacy, can be cracked in a matter of minutes using current techniques. Don't use it unless your wireless devices don't support anything else. Incorrect Answers:WPA, which uses the TKIP protocol, is more secure than WEP, but it has been replaced by WPA2, which uses AES encyption.
What type of storage medium would you use to create a RAID 5 array? SATA HDDs
Correct Answer:You can create a RAID using SATA hard drives. Incorrect Answers:No type of removable media can be used to create a RAID.
Which of the following devices most likely will require a driver install? Scanners
Correct Answer:You'll probably have to install drivers for a scanner before you can start using it. Incorrect Answers:You don't need to install any drivers to use speakers, monitors, or projectors.
When you disconnect the AC adapter from the wall, your laptop screen dims, why is this happening? The power management option in your OS have been configured to do this.
Correct Answer:Your operating system has been configured to switch itself into "power conservation" mode while not running on AC power. I do the same thing on my laptop, but instead of dimming the screen, when my AC power is disconnected, Windows Aero is automatically disabled to conserve resources. Incorrect Answers:The LCD screen does not "require" the 60-Hz AC power to run at full brightness. It can do that just fine on battery power, just not for as long as if it were on AC power.The laptop is unable to use 100% brightness on battery power alone. This simply isn't true. The battery will just run out faster at 100% brightness.The video driver on your laptop has no bearing on the power management settings.
Which of the following ports are most commonly used when sending or receiving e-mail? (Select two.) 25 110
Correct Answers:Port 25 is used by the SMTP protocol, which is responsible for sending e-mail, and port 110 is used by the POP3 protocol, which is responsible for receiving e-mail. Incorrect Answers:Port 53 is used by DNS.Port 80 is used by HTTP.Port 443 is used by HTTPS.
What type of hard drive is the most resistant to physical shock? SSD
Correct Answers:SSDs are highly resistant to sudden movement, making them great for portable devices like tablets and laptops. Incorrect Answers:IDE and SATA are just hard drive interfaces.A NAS, or network attached storage, device is just an external hard drive that hooks up to your network.
You want to equip yourself with FRUs for a laptop. What would you take with you? (Choose two.) Hard drive RAM
Correct Answers:The HDD and RAM are very easy to replace and are considered laptop field replaceable units (FRUs). Incorrect Answers:Video cards, NICs, and SD card readers are usually integrated into the laptop's motherboard and are not considered FRUs.
What should you look for when building a home server PC? (Select two.) RAID support Gigabit Ethernet
Correct Answers:The most important features for a home server are storage space (and storage redundancy), and network speed. Good RAID support and gigabit Ethernet cover those bases. Incorrect Answers:Most home users aren't running VMs, so virtualization support isn't hugely important.The thing about servers is that you mostly access them remotely, so touch screens and multi-monitor setups are completely unnecessary.
You are creating a PC for a client that uses CAD/CAM applications. What are the most important things to consider when creating this computer? (Select two.) Powerful processor Maximum RAM
Correct Answers:You need power! Get a powerful CPU and max out your RAM as much as possible so you can handle those hardware intensive CAD/CAM applications. Incorrect Answers:A gigabit NIC wouldn't be the most important thing to have for CAD/CAM. That's just your connection to the network. While having gigabit Ethernet is amazing, it isn't essential for CAD/CAM applications.You won't necessarily need HDMI output. That is more designed for HTPC setups. You can get away with DVI, or maybe even VGA.Jamming out to your favorite Justin Bieber songs isn't necessary for a CAD/CAM station. So you don't need high-end audio output.
Which of the following internet connection types is a digital connection that runs over standard telephone wiring? DSL
DSL is the internet connection type that runs over telephone wiring. Incorrect Answers:Dial-up does run on telephone wiring, but is not digital. Although fiber and cable are digital connections, they do not run on telephone wiring. Fiber-optic is a digital connection, but does not run on telephone wiring. Cable is a digital connection, but does not run on telephone wiring.
You are troubleshooting a computer that reboots at strange times. Even when you try and access the CMOS setup, the computer will reboot. What should you check FIRST? Check for blow capacitors
Do a google search for "blown capacitor" and you will see exactly what I'm talking about. That is a rough situation there. When this happens, it will short circuit the conductors that are carrying power, causing random reboots, among many other types of errors. Incorrect Answers:While checking to see if your case fan is spinning is a good idea, it's not the FIRST thing to check for in this scenario.Replacing the CR-2032, or CMOS battery, will just give you a brand new CMOS battery, it won't stop the reboots from happening.We can't even stay in the CMOS setup screen before the computer reboots, so don't go troubleshooting your OS just yet.
A user calls the help desk and states that she suddenly cannot connect to the Internet or any other network resources. The user is on a company network that uses DHCP. The technician runs IPCONFIG from the command prompt and the PC has an IP address of 0.0.0.0. Which of the following steps should the technician perform first to troubleshoot this issue? Check the network cable
First off, make sure you check the network cable. A 0.0.0.0 address means that the computer isn't connected to any network. Incorrect Answers:You might eventually want to try replacing the network card or reinstalling the network drivers, but before going to all that effort, why not just check the cable?Assigning a static IP address won't fix the problem
When choosing a home theater computer, what are the BEST features to include? (Select TWO). Digital Audio HDMI Output
Home theaters focus on the audio and visual in your television, movies, games and music. HDMI gives the best audio and video output. Incorrect Answers:Home theaters do not push the processor's ability to the point of requiring extensive cooling.VGA output does not offer as high a quality as HDMI output.Dual monitors are not necessary, as a home theaters generally have a large screen for viewing.Near field communication is generally utilized for mobile pay devices.
Which of the listed network devices can only broadcast data? Hub
Hubs are only capable of sending out broadcast traffic. Incorrect Answers:Firewalls keep unwanted data packets away from a network or system.Routers connect two networks together.Switches are interconnectivity devices that are capable of sending packets to the computers that they're addresses to.
What component can you not typically upgrade on a laptop? Video Card
It's not possible to upgrade video cards in most laptops. Incorrect Answers:You can upgrade hard drives, RAM, or wireless cards in most laptops.
A user reports that he cleared a paper jam and now cannot print. The technician reseats the paper and then prints a test page from the printer. A test page sent from the workstation does not print. Which of the following actions should the technician take first? Clear the print queue
It's possible that the print queue is backed up, so clearing it might help things get moving again. Incorrect Answers:It's possible that the printer's connection has come loose, but if the printer hasn't been moved recently, it's probably a better idea to simply clear the print queue.Rebooting the computer might work, but only because it would clear the print queue. Clearing it manually might be the quicker option.Restarting the printer most likely won't do anything. Do it as a last resort.
After installing a new multifunctional printer, an administrator realizes the flatbed scanner does not scan any documents. Which of the following is the most likely reason of the issue? The scanner lock switch on the device is locked.
It's very possible that the scanner lock switch is set to the "locked" position, preventing users from scanning documents. Incorrect Answers:There's no need to start reinstalling print drivers. Check the lock first.It's impossible to plug a USB cable into a non-USB port without a hammer, and every USB port is the right USB port.It's not necessary to calibrate a scanner before scanning documents.
A techinician is needs to replace a touch screen on a laptop that supports Windows 8.1. Which of the following is the FIRST step the technician should perform? Refer to the manfacturer's documentation.
Laptop manufacturers all have different procedures for screen removal. It is always best to review the documentation from the manufacturer to ensure you don't have any problems with the repair. Incorrect Answers:Removal will be necessary, but first you must know how to remove the bezel properly.Documentation and labeling is good, but first you must know how to remove the bezel properly.The LCD will not need any tuning until it is installed.
Today's portable computers invariably use which of the following battery technologies? Lithium Ion
Lithium Ion (Li-Ion) is the dominant technology. Incorrect:Nickel Cadmium (Ni-CD) and Nickel Metal Hydride (Ni-MH) are earlier technologies no longer used in portable computers. Alkaline batteries cannot be used with any electronics that need constant voltage
A user is installing Windows 7 on a PC with a RAID card. The user has verified all of the cables are connected correctly, but the installation media does not detect any hard drives. Which of the following should the user do to help detect the hard drives? Select load driver
Loading a driver for your RAID controller enables the Windows install process to communicate with your faincy multi-drive array. Incorrect Answers:Pressing F8 is how you bring up the Safe Mode options during a normal Windows boot.Hitting refresh probably won't do anything if everything's plugged in correctly.Enabling PATA in the BIOS won't help if you're using a RAID card.
Which of the following WAP features prevents unauthorized computers from joining a wireless network? MAC filtering
MAC filtering enables you to either block computers based on their MAC addresses, or else only allow certain MAC addresses to connect. Incorrect Answer:Wire encryption is not a thing.Disabling the SSID is also good, but it's nowhere near as effective as MAC filtering.Port forwarding is used to enable applications to send and receive data over the Internet
A user needs to install a legacy software on a netbook. Which of the following is MOST likely needed in order to install the software? USB optical drive
Netbooks are designed to perform most of the functions of a laptop, but are smaller and more light weight. In order to achieve this, optical drives are not installed. Legacy software installs from a CD or DVD drive. Incorrect Answers:Lightning ports are used to connect peripherals on Apple devices.A Bluetooth adapter is not designed for installation of software.Near field communication is a protocol for data transfer; it is not designed for software installation.
A user wants to extend his computer's storage capacity with external devices. Which of the following storage standards would allow the user to utilize storage externally? (Select TWO). IEEE 1394 eSATA
Only the eSATA and IEEE 1394 standards allow for external devices. Incorrect Answers:EIDE is an internal drive connnection.SATA is an internal drive connnection.PATA is an internal drive connnection
Which expansion slot can be found on a desktop computer? PCI Express
PCI express slots can be found in desktop computers, though there is also a miniature form factor that can be found in laptops. Incorrect Answers:Express card and PCMCIA slots are found only on laptops, where other expansion slots are rare.
Which of the following supports IP telephony devices without requiring external power? PoE
Power over Ethernet (or PoE) enables networking devices to get their power through an Ethernet cable rather than a power cord. Incorrect Answers:A VPN, or virtual private network, is used to enable remote connections to a local network.QoS, or quality of service, is a method for maintaining stable network performance by prioritizing some network packets over others.WEP is an encryption standard for wireless networks.
A customer wants to use VoIP phones without having to plug them into an electrical outlet. Which of the following switch features would a technician recommend? PoE
Power over Ethernet (or PoE) provides electrical power through Ethernet ports. Super handy when there's not a plug nearby. Incorrect Answers:QoS is a collection of technologies dedicated to providing a stable networking environment.Gigabit is a measurement of network speed.Wake-on-LAN is the ability to wake a computer up from a sleep state by sending a special network packet.
What level of RAID increases drive size and access speed without providing any type of data redundancy? RAID 0
RAID 0 is rarely used because, while it usefully increases storage space and access speed, it actually increases the likelihood of losing data due to drive failure. Incorrect Answers:RAID 1, 5, and 10 all provide various forms of data redundancy.
What type of connector would you use on a CAT5 cable? RJ-45
RJ-45 connectors are used with Ethernet cables. Incorrect Answers:DB-9 connectors are used for serial ports.RJ-11 connectors are used on telephone cords.RS-232 is the name of the serial standard.
A technician is called in to troubleshoot a four-disk RAID 10 array on a high-end Windows 7 Enterprise workstation. One drive has failed. Which of the following should the technician do to fix the problem? Replace the failed drive and make sure the RAID rebuilds successfully.
Replace the drive and make sure the array rebuilds successfully. You don't want to leave the drive in the array for one second longer than necessary. Incorrect Answers:Don't just reseat the drive. You need to replace it.After replacing the drive, don't just power the RAID down. You need to make sure that the RAID rebuilds the drive.You can't just add a fifth drive to a RAID 10 array. A RAID 10 has 4 drives by definition
Which of the following types of Ethernet should be used if a technician has no choice but to run cable along fluorescent lighting arrays in a suspended ceiling? STP
Shielded twisted pair cable should protect the data from interference from the florescent lights. Incorrect Answers:RG-6 cable is the type that you usually use to hook up your cable box.It's possible that Cersei will use PVC STP cable, but the PVC aspect has nothing to do with the info in the question, since PVC is simply the usual coating for Ethernet cable.UTP cable might be subject to interference from the lights. No good.
A company has a network printer that is utilzed by several departments. Although the printer shows online and other departments can access the printer, the accounting group is unable to print to this network printer. Which of the following would the technician use to resolve the problem? The security settings for the print spooler need tobe modified to include the department.
Since other departments are accessing the print spooler without difficulty, the department that is having the problem does not have the proper permissions to use the print spooler. Incorrect Answers:The printer is working for other departments; no maintenance is needed.Other departments are accessing the print spooler without difficulty; the spooler is working properly.Other departments are accessing the printer properly; the cable does not need replaced.
A customer calls and states the new plasma display he just received has a few very noticeable tiny yellow spots at different places on the screen. Which of the following is the most likely cause of this issue? Stuck pixels
Stuck pixels show up on a monitor as tiny, unchanging discolored spots. Super annoying! Incorrect Answers:a dead pixel gets no input and is always black. Using the wrong video connector would simply prevent any image from being displayed.A dropped monitor tends to look like a dropped piece of glass.
A user sent an e-mail requesting that a technician check if a computer is on and connected to the Internet so the user can log in from home. Which of the following commands in the command prompt would a technician use to verify if the computer is on and connected without having to go to the computer? PING
The PING command will attempt to contact the computer, so you'll know if it's online or not. Incorrect Answers:NSLOOKUP enables you to see domain name and IP information for a computer.NETSTAT enables you to display routing tables and network connections for a particular comnputer. It's a very powerful tool.IPCONFIG displays IP information about your local computer.
What port does e-mail traditionally use to receive mail? 110
The POP3 protocol uses port 110. Incorrect Answers:Port 80 is used by the HTTP protocol.Port 143 is used by the IMAP protocol, which also receives e-mail, but is less commonly used than POP3.Port 443 is used by the HTTPS protocol.
A user wants to change what happens when a laptop's lid is closed. Which of the following Control Panel applets is the most direct way to adjust this? Power Option
The Power Options applet controls what happens when a laptop's lid is closed. Incorrect Answers:The Display applet controlled things like screen resolution, color depth, and desktop wallpaper in pre-Vista Windows.The Personalization applet has replaced the Display applet's wallpaper and screen saver functionality.Device Manager enables you to control the hardware devices installed in your comptuer, from updating or rolling back drivers, to disabling troublesome devices.
What is the best way to toggle between a laptop's screen and an external monitor? Function keys on keyboard
The function keys on the keyboard enable users to do things like change the brightness and contrast of the screen, change the speaker volume, and toggle to an external monitor. Incorrect Answers:Task Manager enables you to end unresponsive processes, start and stop services, and check your computer's performance.The display settings won't enable you to toggle a monitor on or off.Turning the monitor on and off won't do anything if the PC isn't outputing any video to it.
A Windows user states that every time she hits certain letter keys on her notebook, a number appears instead of the letter. Which of the following items is most likely the cause of this problem? The user enabled num lock
The num lock key on a laptop turns part of the keyboard into a number pad, like you'd find on a desktop keyboard. This can be surprising if you don't realize what's going on! Incorrect Answers:Sticky keys is an accessibility feature for people who can't press more than one key at a time.Changing they keyboard character set wouldn't cause this problem.There's no accessibility option that would cause a problem like this one.
A technician has a user whose system has a network link light, but the user is unable to access any of the company's internal network resources. Which of the following is the MOST likely cause of the issue? IP address conflict
The only answer that would allow for no connection with a link light, is the IP address conflict. Incorrect Answers:Slow transfer speeds can cause performance issues, but will still allow access. Packet collision can cause performance issues, but will still allow access. An incorrect gateway will not prevent you from accessing internal resources,but will only prevent internet access.
A technician troubleshoots a broken PC only to find that a strong burning odor is coming from inside the case. Which of the following parts most likely experienced a level of electrical burn? PSU
The power supply unit (PSU) is the most likely thing to experience electrical burn. Incorrect Answers:The rest of the components listed are much less likely to experience electrical burn
While trying to type, a user reports that his notebook is randomly moving the cursor or mouse, which causes him to make a lot of typing errors. What action can the technician take to solve the issue for the user? Disable the mouse touch pad.
Touchpads on laptops can get bumped by your thumb or the palm of your hands as you type. Most laptops have a button or a function key that will allow you to disable the mouse touchpad. Incorrect Answers:The rate of the mouse (quick or slow) is not effecting your cursor movement. This is generally caused by your hands touching the touch pad.Reversing the buttons will not assist, as it is commonly your hands touching the touch pad.
A laser printer is producing completely blank sheets. Which of the following processes should the technician check first? Transfer
The transfer roller is responsible for giving the paper a positive electrical charge, which attracts the negatively charged toner. If that's not working, then the toner doesn't go anywhere. Incorrect Answer:A non-working fuser just creates smudges.If the paper handling goes awry, then you get paper jams.A malfunctioning cleaning step just makes splotchy or streaked printouts.
A user has installed a new wireless router and is unable to connect their game console to the manufacturer's network service. Which of the following should the technician look for first? Ensure the correct ports are open.
To connect to the network services for game consoles, you might have to open some ports on your firewall. Incorrect Answers:Setting a static IP address for your router won't help unless the router has DHCP disabled. Basically every new wireless router out there has DHCP enabled by default, so this probably isn't the problem.If the correct ports are open and you still can't connect, then you might want to contact the manufacturer, but don't do it first.It's tough to update a system's firmware without first connecting to the manufacturer's network service so you can download the new firmware. This is something you'd do after connecting.
Which of the following devices would you plug multiple DVI and USB cords into while setting it up? KVM
When setting up a KVM, you have to connect a cable for a monitor, keyboard, and mouse to every computer you're going to be controlling, plus one of each for the station you'll be controlling them all from. Incorrect Answers:Touch screen monitors pretty much only need one DVI and one USB cable.An LCD panel will only use one DVI cable.A Webcam would only use one USB cord.
A new company is upgrading a media workstation. The computer will be predominantly used for graphic intensive presentations, slideshows, and video gaming tournaments on a large presentation screen. Which of the following BEST satisfies the needs of the company? High-end video, high-end audio, multicore processor.
When using a system for grahic intensive presentations, a high end video component is required. Graphic intensive presentations and gaming requires a RAM on the video card, as well as within the system itself, to avoid slow graphic display. Incorrect Answers:Although RAM, networking and high-end audio are good components, they are not the best. Graphic intensive presentations need high-end video.Although Gigabit networking connectivities are good components, a TV tuner is used for receiving televison signal. Dual monitors will not likely be necessary, as they likely have a presentation screen.Although network, connectivity and surround sound audio are good components, a TV tuner is used for receiving televison signal. Dual monitors will likely not be necessary as they likely have a presentation screen.
What must a technician do when replacing a 10/100 NIC with a 1 GB NIC? The drivers for the new 1 GB NIC must be installed
You must install drivers for the new NIC in order for the computer to use it. Incorrect Answers:The other answers are all made up.
