A+ 1101 Pratice Questions

Which if the following would prevent someone from unadvertenly viewing sensitive information on a printer output tray? A. WPA3 B. Duplexing C. Audit logs D. Printer sharing E. Badging

E. Badging

Match the port number to the protocol. Not all port numbers will be used. HTTPS LDAP DNS IMAP SNMP RDP SSH tcp/389 tcp/80 udp/53 udp/161 tcp/143 tcp/3389 tcp/22 tcp/23 tcp/25 tcp/443 tcp/445 tcp/110

HTTPS - tcp/443 LDAP- tcp/389 DNS- udp53 IMAP- tcp/143 SNMP- udo/161 RDP- tcp/3389 SSH- tcp/22

Which software defined networking layer is most associated with the real-time processing of network frames and packets? A. Application B. Infrastructure C. Control D. Performance E. Management

The Answer: B. Infrastructure The infrastructure layer of SDN (Software Defined Networking) is responsible with the flow and forwarding of data.

A mobile device has been experiencing a frozen screen, and the screen remains frozen after a hard reset. Which of the following would be the BEST next step? A. Perform a factory reset B. Update the OS C. Reset the Wi-Fi router D. Replace the screen E. Turn off all Bluetooth devices

The Answer: A Perform a factory reset A factory reset would reset all software to the original state when the mobile device left the factory.

Which of the following would be a valid IPv4 address? A. 127.0.0.7 B. 10.265.11.2 C. 192.186.23.334 D.172.16.2.11.3 E. 10.166.27.422

The Answer: A. 127.0.0.7

Which of the following ports are used for file transfers? (Select TWO) ❍ A. 21 ❍ B. 110 ❍ C. 25 ❍ D. 23 ❍ E. 20 ❍ F. 53

The Answer: A. 21 and E. 20 FTP (File Transfer Protocol) is a standard method of transferring files across different operating systems. FTP uses TCP (Transmission Control Protocol) port 21 for control messages and port 20 to transfer data.

Which of these wireless standards was the first to introduce 54 Mbit/sec throughput on the 2.4 GHz band? A. 802.11g B. 802.11ac C. 802.11n D. 802.11b

The Answer: A. 802.11g 802.11g used the same 2.4 GHz frequencies as the 802.11b standard, but the maximum theoretical throughput was increased from 11 megabits per second to 54 megabits per second.

A manager needs to have access to the same files, contacts, and email messages across their MacBook, iPad, and iPhone devices. Which of the following would be the BEST way to provide this synchronization? A. Authenticate to iCloud on all devices B. Connect all devices to the MacBook using a Lightning cable C. Copy all user documents to Google Workspace D. Configure automatic updates in the App Store

The Answer: A. Authenticate to iCloud on all devices iCloud provides backups, synchronization, and app installation across multiple Apple devices. Authenticating each device to the iCloud service provides automatic synchronization over wireless or cellular networks.

A user in a remote office is connecting a device using an F-connector. Which of the following would be MOST likely associated with this connection? A. Cable modem B. Switch C. Punchdown block D. DSL modem

The Answer: A. Cable modem A cable modem is commonly associated with a coaxial cable input using an F-connector. The output from the cable modem commonly uses an RJ45 Ethernet connector.

A user is reporting this message on their Windows computer taskbar icon: "Limited or No connectivity." Which of the following would be the best NEXT troubleshooting step? A. Check the local IP address configuration B. Restart the computer C. Ping the default gateway D. Check the switch VLAN configuration E. Check for a duplicate IP address

The Answer: A. Check the local IP address configuration The message of limited connectivity is usually based on a system with no access to network resources. This is often occurs when a system is unable to contact a DHCP (Dynamic Host Configuration Protocol) server and instead assigns itself an APIPA (Automatic Private IP Addressing) address. A check of the local IP address may identify a configuration error or a link-local address.

Which of these cloud computing architectures would BEST describe several organizations sharing the same resources? A. Community B. IaaS C. Public D. Hybrid

The Answer: A. Community A community cloud model is often used by multiple organizations to build a pool of resources with their combined financial contributions. This multi-tenant model provides a shared cloud-based deployment to organizations with similar goals and objectives.

Which of the following would most commonly be associated with a thermal pad? A. Connect a heat sink to a processor B. Install a fan in a desktop computer case C. Mount a radiator for liquid cooling D. Manage CPU speed based on the current temperature

The Answer: A. Connect a heat sink to a processor A thermal pad can be used to improve thermal conductivity between a hot component and a heat sink. Thermal pads are somewhat easier to install than traditional thermal paste.

Which of the following would be MOST associated with an MDM? A. Corporate email configuration B. Cloud-based backups C. Battery saving mode D. Volume control E. Screen rotation

The Answer: A. Corporate email configuration The remote configuration functionality of an MDM (Mobile Device Manager) can be used to set parameters for email access.

A network administrator would like to enable DHCP on a laptop, but they would like the same IP address to be assigned to the laptop each time it starts. Which of the following would provide this functionality? ❍ A. Create an IP reservation on the DHCP server ❍ B. Administratively configure the laptop's MAC address ❍ C. Use APIPA addressing ❍ D. Assign the laptop to a static IP VLAN

The Answer: A. Create an IP reservation on the DHCP server A DHCP (Dynamic Host Configuration Protocol) server will automatically assign IP (Internet Protocol) addresses to devices on the network from an available pool. This means that the IP address for a device may change over time based on the addresses currently available in the pool. To force the same IP address assignment each time, the network administrator can create an IP reservation in the DHCP server to associate a specific IP address to the MAC (Media Access Control) address of the laptop.

An organization has recently implemented a browser-based email system that requires no additional software on the user devices. Which of the following would describe this type of application? A. SaaS B. IaaS C. HaaS D. PaaS

The Answer: A. SaaS SaaS (Software as a Service) is on-demand software. The client does not maintain a local software installation, and the application support is managed by the service provider. Google Mail is an example of SaaS.

A system administrator needs to upgrade a laptop from a hard drive to an SSD. Which of the following would provide the most efficient method of upgrading this system? A. Create an image of the hard drive and restore to the SSD B. Install a new Windows license and application files on the SSD C. Backup all user documents and copy them to another computer D. Compress the home directory and upload it to cloud storage

The Answer: A. Create an image of the hard drive and restore to the SSD A system image contains everything on the storage drive, so the restored system will have the same operating system, configuration options, user documents, and installed applications as the original system.

A workstation administrator has been asked to troubleshoot an issue with Internet connectivity on a laptop computer. The network status in the taskbar shows a yellow exclamation mark with the message "No Internet access." When examining the Ethernet connection on the laptop, the cable sheath is an inch short and individual copper wires are visibly disconnected from the RJ45 connector. Which of the following should be used to correct this issue? A. Crimper B. Punch-down tool C. Loopback plug D. Cable tester

The Answer: A. Crimper A crimper is used to attach modular connectors to the end of cables. In this example, the cable would be cut back past the missing cable sheath and the wires would be attached to a new connector using an RJ45 crimper.

Which of the following would BEST describe memory that transfers data twice for each clock cycle? A. DDR B. Duplex C. Flash D. Redundant E. ECC

The Answer: A. DDR DDR (Dual Data Rate) memory can transfer data on the rising and falling edges of the clock signal.

A PC technician has been asked to replace the LCD on a touch-screen laptop computer. Which of the following would be the MOST important component to test after this replacement? A. Digitizer B. Keyboard C. Audio controls D. System memory

The Answer: A. Digitizer A digitizer is built into the LCD display, and it would be the most likely component to have a problem after the entire display has been replaced.

The stylus on a Windows tablet will no longer interact with the user interface. Which of these would be the MOST likely cause of this issue? ❍ A. Digitizer ❍ B. Backlight ❍ C. Contrast ❍ D. Inverter

The Answer: A. Digitizer The digitizer is the component in a touch screen to convert analog input from a fingerprint or stylus into a digital input. If the digitizer is having an issue, then problems will occur with any direct screen input.

A user needs to connect their laptop to the wired Ethernet network, but the laptop does not have an integrated Ethernet interface. Which of the following would allow the laptop to connect to an Ethernet network? (Pick TWO) ❍ A. Docking station ❍ B. VGA interface ❍ C. USB to Ethernet adapter ❍ D. DisplayPort to HDMI cable ❍ E. DVI to HDMI adapter ❍ F. Bluetooth

The Answer: A. Docking station C. USB to Ethernet adapter There are a few options for creating a wired Ethernet connection on a laptop computer. Using a docking station is a common solution to provide many different interfaces, and docking stations often include the option to install a full-size PCI Express (Peripheral Component Interconnect Express) adapter. A USB (Universal Serial Bus) to Ethernet adapter is a simpler solution that only provides an Ethernet interface, but it's much more portable than a docking station.

Which of the following would be MOST likely found on an optical disc? ❍ A. Document archive ❍ B. Operating system boot files ❍ C. RAID parity files ❍ D. BIOS configurations

The Answer: A. Document archive An optical disc such as a DVD-ROM (Digital Versatile Disc - Read Only Memory) has the advantage of a relatively large storage area and the ability to write once and never worry about an accidental deletion. The storage of documents and other files is a common use of optical discs.

A network administrator needs to connect an Ethernet link between two buildings located across the parking lot from each other. The total distance between the buildings is approximately 400 meters. Which of the following technologies would be the BEST choice for this installation? A. Fiber B. Category 6A C. Coax D. UTP

The Answer: A. Fiber Fiber optic communication can extend over very long distances using light instead of radio frequencies. Since the maximum supported distance of most Ethernet connections using copper are one hundred meters, any type of connection needing additional distance would be a good candidate for fiber optic cabling.

A company is installing a new communications link using SC interfaces. Which of the following would BEST describe this connection? A. Fiber optic B. USB-C C. 10GBASE-T D. M.2

The Answer: A. Fiber optic An SC (Subscriber Connector) interface is a common fiber optic connection type. Some network administrators refer to this connection as the "square connector" due to the unique shape of the interface.

When printing a document on a laser printer, a user finds that all of the text on the page smears when touched. What is the MOST likely cause of this issue? ❍ A. Fuser is damaged ❍ B. Toner cartridge is low ❍ C. Photosensitive drum has been scratched ❍ D. Incorrect printer driver is installed ❍ E. Printer cleaning process is not working

The Answer: A. Fuser is damaged The fuser permanently melts the toner to the paper using heat and pressure. If the fuser is not working, the toner will easily smear when touched.

A systems administrator needs to configure a smartphone to retrieve email messages from the corporate mail server. Which of the following protocols could be configured for this purpose? (Pick TWO) A. IMAP B. SSH C. SMTP D. LDAP E. POP3 F. SNMP G. SMB

The Answer: A. IMAP and E. POP3 Two common protocols used to retrieve email messages are IMAP (Internet Message Access Protocol) and POP3 (Post Office Protocol 3).

An administrator is building a small form factor computer to use as a streaming server. Which of the following would be the BEST choice for this system? A. ITX B. VDI C. ATX D. Hybrid E. HDMI.

The Answer: A. ITX The ITX series motherboards include low-power and small form factor sizes.

When powering on a computer, the screen remains blank except for the message "No signal." Which of the following is the MOST likely reason for this issue? A. Incorrect input selection B. Overheating C. Invalid date and time D. Slow paging to disk E. Network is disconnected

The Answer: A. Incorrect input selection Many monitors will include multiple input interfaces, and a user can switch between interfaces with the input button or option.

A user is reporting every page printed from a networked laser printer appears as garbled graphics and text characters. Which of the following is the MOST likely cause of this issue? A. Incorrect printer driver B. Damaged network cable C. Printer is low on memory D. Toner is low

The Answer: A. Incorrect printer driver The printer driver formats the print job into a language that the printer can understand. If the incorrect driver is used, the language sent to the printer may not be interpreted correctly and the output may appear very different than the original document. In extreme cases, the output may appear as unreadable pages of garbled text and graphics.

A system administrator has been assigned the task of installing an operating system, application, and data onto a cloud-based server. Which of these best describes this scenario? A. Infrastructure as a Service B. Platform as a Service C. Hybrid Cloud D. Software as a Service

The Answer: A. Infrastructure as a Service IaaS (Infrastructure as a Service) provides the CPU, memory, storage, and other infrastructure components necessary for the installation of an operating system and application.

A network administrator needs to connect two sites located on opposite sides of the city. Which of these network connections would be the MOST appropriate? A. MAN B. PAN C. LAN D. WAN

The Answer: A. MAN A MAN (Metropolitan Area Network) connects locations in the same city or metropolitan area. Once the distance is outside the scope of the immediate metro area, the connection is categorized as a WAN (Wide Area Network).

A system administrator has created a cloud configuration which automatically monitors utilization for usage-based billing. Which of the following describes this cloud computing characteristic? ❍ A. Metered ❍ B. File synchronization ❍ C. Rapid elasticity ❍ D. High availability

The Answer: A. Metered Metering will measure transaction activity, CPU utilization, storage use, and other important metrics. These are often used for billing purposes, where the customer will pay for CPU or storage by the application instance. However, this metering does not automatically add or remove instances.

A system administrator has connected an external USB drive to a computer to transfer some documents. When booting the computer, the system tries to boot from the external drive and gives an error message. Which of the following would be the BEST way to prevent the USB drive from booting? ❍ A. Modify the BIOS to boot from the internal hard drive ❍ B. Modify the boot order in Windows Disk Management ❍ C. Rebuild the MBR on the external hard drive ❍ D. Disable the external drive in Device Manager

The Answer: A. Modify the BIOS to boot from the internal hard drive The boot order is managed in the system BIOS, and one way to avoid the computer from attempting to boot from an external storage device is to move the internal drive to have a higher boot priority.

A user has complained that a laptop will not charge the battery past 25% percent, and the laptop only operates for fifteen minutes when on battery power. The battery and the AC adapter have already been replaced. Which of the following components would be the MOST likely cause of this issue? A. Motherboard B. Backlight inverter C. 802.11 adapter D. CPU

The Answer: A. Motherboard The motherboard on a laptop usually contains all of the major subsystems, including the CPU (Central Processing Unit), memory, video, and power. If the laptop will not charge a battery or power the system, then the entire motherboard will need to be replaced.

Which mobile device connection is commonly used for making payments at a store checkout? ❍ A. NFC ❍ B. DB-9 ❍ C. Cellular ❍ D. Bluetooth

The Answer: A. NFC NFC (Near Field Communication) is designed to transfer small amounts of data wirelessly over a limited area. It's common to use a smart phone or smart watch with a credit card terminal to pay for goods or services.

A hospital would like to use a hands-free authentication system based on the user's proximity to the computer. Which of the following technologies would be the BEST choice for this system? A. NFC B. 5G C. MDM D. SSD

The Answer: A. NFC NFC (Near-Field Communication) is a short-distance networking technology which communicates over short distances of approximately 4 centimeters or less. An NFC-based authentication system would recognize when a user comes into close proximity of a device and provide the proper authentication.

What kind of device is installed into a computer and directly connects the computer to an Ethernet network? A. NIC (Network Interface Card) B. Switch C. Repeater D. Bridge

The Answer: A. NIC A NIC (Network Interface Card) is the hardware used to connect a device to a network. Some NICs are integrated into computer motherboards, and other NICs are separate interface cards.

Which of the following BEST describes a Bluetooth network? ❍ A. PAN ❍ B. WAN ❍ C. LAN ❍ D. MAN

The Answer: A. PAN A PAN (Personal Area Network) is designed for a small area and usually isassociated with an individual. Bluetooth devices such as headsets, speakers, and automobile connections are considered PANs.

Daniel is building out a new floor of office space for his company. Which of the following cables would be the BEST choice to install in the active airspace above the drop ceiling? A. Plenum-rated B. Shielded twisted-pair C. Coaxial D. PVC jacketed twisted-pair

The Answer: A. Plenum-rated The plenum space is the area above a drop ceiling used for building air circulation. In the case of a fire, this area should contain objects which have specific characteristics when heated. Network cables in this area are categorized as plenum-rated, and their construction will limit smoke and toxic fumes.

A user is having an issue with a smartphone battery bulging and physically pushing the screen away from the phone. The rest of the phone appears to be operating normally. Which of the following should be the BEST next troubleshooting step? ❍ A. Power off the phone and contact support ❍ B. Upgrade to the latest OS version ❍ C. Replace the screen ❍ D. Perform a factory reset

The Answer: A. Power off the phone and contact support A swollen battery indicates damage to the battery and could potentially be a fire hazard. The phone should be powered down and the damaged battery should be removed by a trained smartphone support technician.

A user is powering on a computer and receives this message on the screen: "Invalid Signature Detected." Which of the following would be associated with this message? A. Secure Boot B. Supervisor password C. USB permissions D. Fast Startup E. HSM

The Answer: A. Secure Boot Secure Boot can identify unauthorized changes to the BIOS firmware, the operating system files, or UEFI drivers. If any of these have been changed, Secure Boot will stop the boot process and display a digital signature failure.

A systems administrator has added a new video adapter to a desktop computer, installed the latest video driver, and rebooted the system. When the system starts, it shows a Windows Stop Error before it reaches the login prompt. Which of the following would be the BEST next troubleshooting step? A. Press F8 during startup and choose "Boot from last known working configuration" B. Upgrade the system BIOS using an update file from the motherboard manufacturer C. Disconnect all USB storage devices and restart the system D. Reinstall the operating system

The Answer: A. Press F8 during startup and choose "Boot from last known working configuration" If a recent configuration causes a boot issue, Windows can restart the operating system using the last known working configuration. Each time Windows successfully boots, it makes a backup of that configuration. If the startup option to "boot from last known working configuration" is selected, that working backup is used instead of the current Windows configuration. This can help resolve Windows Stop Error issues like those detailed in this question.

An application developer needs to test an application across all of the operating systems used by the company. Each operating system will be tested individually in a lab environment. The company would like to minimize any additional hardware purchases for this project. Which of the following would be the BEST way to test this application? A. Purchase a system that is configured just above the hardware requirements for the highest-end operating system. Create separate VMs for each operating system. B. Purchase individual test computers that match the hardware requirements for each OS. Install different operating systems on each test computer. C. Designate existing user workstations to be used as testing systems. Run all application tests during non-working hours. D. Purchase a system that matches the minimum hardware requirements for the highest-end operating system. Create a system image for each operating system and reimage the computer between tests.

The Answer: A. Purchase a system that is configured just above the hardware requirements for the highest-end operating system. Create separate VMs for each operating system. Creating virtual machines for these tests would be a great way to minimize hardware costs, and the machine used for the testing should be able to properly virtualize the testing OS while the host OS is running. Purchasing a system that is slightly more powerful than the highest-level operating system configuration should cover any technical requirements.

A server administrator has four identical drives to install into a database server. Which of these RAID types would provide both redundancy and the most available storage space? A. RAID 5 B. RAID 10 C. RAID 0 D. RAID 1

The Answer: A. RAID 5 With RAID 5, three drives would contain user data and the fourth drive would store parity information. This efficient use of space and the included redundancy make RAID 5 the best option.

A digital graphics department has been using a SAN to store their image files. The team now reports that all of the files on the SAN are no longer accessible. Which of the following should be the FIRST thing to check on the SAN? A. RAID array status B. CPU utilization C. Input voltage D. Cache hits

The Answer: A. RAID array status A SAN (Storage Area Network) is a network-connected storage array. If the SAN is unavailable, then it's possible that the drive array is having a technical issue. The first thing to check on the SAN is the RAID array health and network connectivity. Once those are verified to be working, the troubleshooting can continue.

A server administrator has received an alert showing one drive in a RAID 1 array has failed. Which of the following would be the best way to resolve this alert? ❍ A. Replace the bad drive and resync the array ❍ B. Replace all drives in the array and resync the array ❍ C. Replace the bad drive and restore from backup ❍ D. Convert the array to RAID 0 and replace the drive ❍ E. Replace all drives in the array and restore from backup

The Answer: A. Replace the bad drive and resync the array A RAID 1 (Redundant Array of Independent Disks, level 1) array is a mirrored array, which means all of the information on one physical drive is also copied and maintained on a separate drive. If one drive fails, the drive with the redundant data continues to be available. To repair the array, the bad drive needs to be replaced and the data from the redundant drive is synchronized to the new drive.

A developer is connecting a laptop to an LCD projector, but the projected image is flickering and occasionally part of the output will appear blocky and difficult to read. Which of the following should resolve this issue? A. Replace the projector's video cable B. Turn the projector off and back on again C. Update the laptop's video driver D. Connect the laptop to a power source

The Answer: A. Replace the projector's video cable The visual "glitches" displayed by the LCD projector are often associated with a failure of the digital signal. The only connection between the laptop and the projector is the cable, so most of these issues can be resolved by replacing the faulty cable.

A technician is connecting a laptop to an LCD projector in a conference room. The display on the laptop works properly, but the projector image is constantly flickering and pixelating. The technician has modified the resolution and refresh rates, but the projector image continues to flicker. Which of the following would be the BEST next troubleshooting step? ❍ A. Replace the video cable ❍ B. Disable the laptop display ❍ C. Replace the projector bulb ❍ D. Power cycle the projector

The Answer: A. Replace the video cable A display issue associated with flickering and poor video quality would commonly point to the connection between the video adapter and the display device. In the case of an LCD (Liquid Crystal Display) projector, there's sometimes a very long (and very worn) cable that can cause signal issues to show on the projected image.

A technician has replaced a laser printer toner cartridge, but now the output does not appear as dark as the original toner cartridge. Which of the following would be the best way to address this issue? A. Run a printer calibration B. Replace the fuser C. Use a laser printer maintenance kit D. Clean the OPC drum

The Answer: A. Run a printer calibration A laser printer calibration allows the user to adjust the amount of toner used for the output. Different models of toner cartridges can cause the amount of toner output to vary, and the calibration process adjusts the toner output to the best levels.

A network administrator is deploying a firewall to the cloud using an API to configure the device. Which of the following would BEST describe this deployment type? ❍ A. SDN ❍ B. IaaS ❍ C. LDAP ❍ D. DKIM ❍ E. VPN

The Answer: A. SDN SDN (Software Defined Networking) allows the functions of a networking device to be split into logical units and virtualized into a software-based deployment. This allows for easy deployment of switches, routers, firewalls, and other networking devices into a cloud-based infrastructure.

What is the most common use for the switch on a computer's power supply? A. Sets the input voltage B. Controls the speed of the CPU C. Sets the cooling fan speed D. Boots from different operating system partitions

The Answer: A. Sets the input voltage The input voltage to a power supply should match the capabilities of the power supply unit. Many power supply units are auto-switching, and they will automatically adjust between 120 volts and 240 volts based on the input voltage. Alternatively, some power supply units have a switch that must be manually set to specify input voltage.

A company is receiving an increase in malware delivered to random employees through email attachments. Which of the following would be the BEST way to protect users against this malicious software? A. Spam gateway B. DHCP services C. Syslog D. VLANs

The Answer: A. Spam gateway A spam gateway acts as a filter for unauthorized or unsolicited email messages. Most spam gateways can scan files for malicious software and filter those messages before delivery to the recipient.

Which of the following would be BEST described as connection-oriented? A. TCP B. Ports C. IP D. UDP E. VPN

The Answer: A. TCP TCP (Transmission Control Protocol) uses a connection-oriented process to setup and close a network connection.

A system administrator has been asked to troubleshoot a non-operational print server. The printer displays an error code on the front panel and does not respond to any user input. The system administrator has created a list of four theories that might cause this particular error. Which of the following would be the best NEXT troubleshooting step? A. Test each theory on a lab system B. Document the theories in the company knowledgebase C. Try different theories on the print server until the problem is resolved D. Replace the print server device

The Answer: A. Test each theory on a lab system Before a plan of action can be established, it's important to know which plan to follow. Testing each theory can help determine which guesses might resolve the issue and which theories had no effect.

A graphics designer is working on a computer that powers itself off after about an hour of work. The computer tends to power down when working on complex designs that require extensive CPU utilization. Which of the following would be the MOST likely reason for this issue? A. The case fans are blocked B. The hard drive is failing C. The graphics software is corrupted D. A device driver is outdated

The Answer: A. The case fans are blocked Most motherboards are designed to power off automatically if the temperatures become excessive. If the case fans are blocked, the inside of the computer will not be able to efficiently cool the system. Eventually, the heat from the heavily-worked CPU will cause the system to power down.

A user in the accounting department has turned on their computer and received the message "Date and Time not set." Which of the following would be the MOST likely reason for this message? A. The motherboard battery has discharged B. Windows update has rebooted the computer C. Daylight Saving Time occurred during the weekend D. The BIOS was just upgraded

The Answer: A. The motherboard battery has discharged The battery on a motherboard is used to maintain the date and time configuration when the computer is not connected to a power source. If the battery has discharged, the computer will not be able to maintain the proper time and an error message will appear during startup.

A server administrator is upgrading the memory in a web server from 16 GB of non-ECC RAM to 64 GB of ECC RAM. After starting the system with the new memory, the computer beeps and nothing is displayed on the screen. Changing the number and location of new RAM modules results in the same beeping sounds and blank screen. After replacing the original 16 GB modules, the system starts normally. Which of the following is the MOST likely reason for this issue? ❍ A. The new memory is not compatible with the motherboard ❍ B. The new memory is faulty ❍ C. The BIOS needs to be updated ❍ D. The system is overheating during the startup process

The Answer: A. The new memory is not compatible with the motherboard ECC (Error Correcting Code) memory is designed to detect errors and correct the errors on the fly. Not all systems use ECC memory, and it's important the memory match the motherboard requirements. If non- ECC RAM (Random Access Memory) is replaced with ECC RAM and the system fails to start, then the issue is most likely associated with the change from non-ECC to ECC RAM.

A user in the shipping department needs a charging cable for their Android phone. Which of the following connectors would be the MOST likely to work on this phone? A. USB-C B. Lightning C. RJ45 D. Thunderbolt

The Answer: A. USB-C Android devices commonly used the USB standard for connectivity, and USB-C is a common connector for many mobile devices.

Which of the following can be used to forward traffic based on a destination MAC address? ❍ A. Unmanaged switch ❍ B. Repeater ❍ C. Router ❍ D. Firewall

The Answer: A. Unmanaged switch Switches determine how traffic is forwarded based on the destination MAC (Media Access Control) address in the frame. The qualification of managed or unmanaged is not important in this case, since both types of switches make forwarding decisions the same way. The difference between a managed and unmanaged switch are based on features not associated with the forwarding process.

Which of the following would provide segmentation of broadcast domains on the same physical switch? A. VLAN B. DNS C. VPN D. DHCP

The Answer: A. VLAN A VLAN (Virtual Local Area Network) is used to segment interfaces on a single switch or across multiple switches. This allows a network administrator to separate networks on a single switch instead of installing multiple physical switches.

A group of wireless laptops in a conference room are reporting intermittent connectivity issues. The wired computers in the room are not experiencing any network problems. A check of the laptops shows that the IP addresses and configurations appear to be correct. Which of the following would be the best NEXT troubleshooting step? ❍ A. Verify the wireless signal strength ❍ B. Check the ARP table on the default gateway ❍ C. Confirm the operation of the DHCP server ❍ D. Perform a wire map on the network drops

The Answer: A. Verify the wireless signal strength Since the wired devices are working properly, the troubleshooting process should focus on the wireless network. The connectivity is also intermittent, which means that the network is operating normally during certain periods. This would move the focus from the network configuration to a connectivity or signal strength issue.

A system administrator is building a server for a data center in another country. The server will manage a print queue and provide a local storage partition for temporary file transfers. Which of the following power supply specifications will be the MOST important for this server? ❍ A. Voltage input options ❍ B. Number of PCIe connectors ❍ C. Modular cabling ❍ D. Fan noise rating

The Answer: A. Voltage input options Connecting to the power source in a different country is an important consideration when selecting a power supply. If the voltage specifications are incorrect, the server may not operate at all or components in the server may be damaged. Servers using auto-switching power supplies are compatible with the power systems in other countries.

A customer would like to upgrade their mobile device to a 5G connection for higher speeds. Which of the following BEST describes the theoretical maximum speed of 5G networks? A. 4 gigabits per second B. 10 gigabits per second C. 2 gigabits per second D. 100 megabits per second E. 1 gigabit per second

The Answer: B. 10 gigabits per second At high frequencies, 5G can theoretically reach up to 10 gigabits per second.

A user would like to access email from their Windows 10 laptop using a smartphone's Internet connection. Which of these technologies needs to be enabled on the laptop? ❍ A. LTE ❍ B. 802.11 ❍ C. NFC ❍ D. IR

The Answer: B. 802.11 802.11 wireless connections can be used to access a smartphone configured as an Internet hotspot. The laptop will communicate to the smartphone over 802.11, and the smartphone is used to connect to resources on the Internet.

A user in the manufacturing department would like to synchronize their cloud-based Outlook emails and calendar to their iPhone. Which of the following would be the BEST method of managing this data? A. Download the email data from iCloud B. Add the user's Microsoft 365 account to the iPhone C. Download email information from the iPhone browser D. Connect the phone to the user's laptop with USB

The Answer: B. Add the user's Microsoft 365 account to the iPhone The iOS operating system includes integrations for iCloud, Google, Microsoft, and other types of accounts.

Which of these connection types use coax to provide Internet data, voice, and video over the same wire? ❍ A. DSL ❍ B. Cable broadband ❍ C. ONT ❍ D. PoE

The Answer: B. Cable broadband Cable television brought video into everyone's home, and now voice and Internet services are included on the same coax cable.

A user in the marketing department is printing to a color printer, but the colors on the output don't match the colors on the screen. Which of the following would be the BEST next step? A. Replace the ink or toner B. Calibrate the monitor and printer C. Restart the print spooler D. Configure the printer for PostScript

The Answer: B. Calibrate the monitor and printer For the best possible color match, it's important to calibrate the monitor and the printer. This calibration process will ensure the colors seen on the screen will match the tone and hue of the final output.

In which of the following situations would you be MOST likely to use a network tap? A. Attach an RJ45 connector to the end of an Ethernet cable B. Capture packets from a network link C. Test packet loss on a router interface D. Locate a specific workstation connection on a punch-down block

The Answer: B. Capture packets from a network link A network tap provides a physical connection for intercepting network traffic. The tap can send a copy of the intercepted traffic to a packet capture device or security tool.

What is the minimum category of unshielded copper cable for a 10 gigabit per second Ethernet link with a fifteen meter distance? ❍ A. Category 5 ❍ B. Category 6 ❍ C. Category 5e ❍ D. Category 6A

The Answer: B. Category 6 The physical characteristics of networking cables are separated into categories. An unshielded category 6 cable can support a ten gigabit per second 10GBASE-T network to a distance of fifty-five meters. The incorrect answers: A. Category 5 Category 5 copper cables can support a one gigabit per second 1000BASE-T network up to one hundred meters. Ten gigabit per second speeds are not supported over category 5 cable. C. Category 5e Category 5e (enhanced) is a minor update to category 5, and the Ethernet standards supported for a category 5e cable are identical to those of a category 5 cable. Therefore, category 5e copper cables can support a one gigabit per second 1000BASE-T network up to one hundred meters in length. D. Category 6A Category 6A (augmented) cables can support ten gigabit per second 10GBASE-T connections to a distance of one hundred meters. Category 6A cable would not be the minimum category of cable used for these requirements

A manager in the marketing department is printing many copies of a twenty page document. The manager would like to print all twenty pages of the document before the next copy begins printing. What setting should the manager configure in the output settings? ❍ A. Duplex ❍ B. Collate ❍ C. Quality ❍ D. Orientation

The Answer: B. Collate The printing of multiple copies in their proper order is collating the output. If the output was not collated, all of the page one copies would print, then all of the page two, etc.

A manufacturing company uses a specialized printer which connects to a Windows computer over a USB connection. Which of the following would be the BEST way to allow all Windows devices in the company to send print jobs to this printer? A. Connect using AirPrint B. Configure Windows Printer Sharing C. Use Print to File and copy the file to the printer D. Copy the print jobs to a USB drive

The Answer: B. Configure Windows Printer Sharing Windows Printer Sharing allows the Windows computer to act as a print server. All devices on the network can view the printer and send print jobs to the printer using the Printer Sharing feature.

In which of the following would a cable with a DB-9 connector be used? A. Attaching a mouse or keyboard to a desktop computer B. Configuring a router C. Connecting an external storage device D. Attaching a video camera to a computer

The Answer: B. Configuring a router A DB-9 connector, or less commonly, DE-9 (D-subminiature size E, 9 pin) is a connector used to send serial signals to another device. A DB-9 connector on a computer is commonly used to connect to the management interface of a switch, router, firewall, or another infrastructure device.

Which of the following would be the MOST likely cause of port flapping? A. High jitter B. Damaged cable C. WPA3 encryption D. High SNR E. Network latency

The Answer: B. Damaged cable The constant connecting and disconnecting of an Ethernet connection can commonly be caused by a damaged cable.

A site manager has noticed her smartphone has a short battery life when used at work, and the battery life is normal when working from home. The work location has limited mobile service reception, but most office services are provided over the local 802.11 Wi-Fi network. The site manager does not enable Bluetooth on her smartphone. Which of the following would be the BEST way to extend the battery life of her mobile device? ❍ A. Disable 802.11 Wi-Fi ❍ B. Disable the cellular radio at work ❍ C. Replace the battery ❍ D. Enable Bluetooth on the mobile device

The Answer: B. Disable the cellular radio at work When a mobile provider's network isn't available, a phone will constantly try to find and reconnect to a cellular network. This reconnection process constantly uses the radio, and subsequently more of the battery is used in the process. To conserve battery life, it would be useful to disable the cellular network connection when outside of a coverage area.

A user is reporting after starting their desktop, they receive the message "Windows has detected an IP address conflict." Which of the following would be the BEST way to resolve this issue? A. Replace the Ethernet patch cable B. Enable DHCP on the workstation C. Bounce the switch port D. Reboot the default gateway

The Answer: B. Enable DHCP on the workstation One of the more useful features of a DHCP (Dynamic Host Configuration Protocol) server is the controlled assignment of IP (Internet Protocol) addresses. If the DHCP server is assigning all IP addresses, then a duplicate is unlikely. If a device is configured for manual addressing, then configuring the device to receive IP addresses via DHCP can avoid possible address duplication.

A system administrator made some BIOS changes to a desktop computer running Windows 10, and now this message appears when starting the computer: "This drive can only boot in UEFI mode." Which of the following would be the BEST next troubleshooting step? ❍ A. Modify the boot drive sequence ❍ B. Enable Secure Boot ❍ C. Remove the BIOS password ❍ D. Boot the system with the Windows setup media

The Answer: B. Enable Secure Boot Secure Boot is part of the UEFI (Unified Extensible Firmware Interface) standard for a computer BIOS (Basic Input Output System). Secure Boot ensures that the underlying operating system has not been modified by malware or any other process.

A network administrator is pinging a site on the Internet and receives these results: C:\Users\professor>ping 9.9.9.9 Pinging 9.9.9.9 with 32 bytes of data: Reply from 9.9.9.9: bytes=32 time=618ms TTL=128 Reply from 9.9.9.9: bytes=32 time=816ms TTL=128 Reply from 9.9.9.9: bytes=32 time=627ms TTL=128 Reply from 9.9.9.9: bytes=32 time=727ms TTL=128 Ping statistics for 9.9.9.9: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 618ms, Maximum = 816ms, Average = 697ms Which of the following would BEST describe these state of this network connection? A. Dropped packets B. Excessive latency C. Port flapping D. Network loop

The Answer: B. Excessive latency An average response time of 697 milliseconds is relatively long, especially considering that most local devices will respond in 1 or 2 milliseconds This large response time indicates significant latency between the local device and the remote site.

A network administrator has received a ticket complaining of port flapping on an Ethernet switch. Which of the following would be the MOST likely reason for this issue? ❍ A. Firewall rule is blocking traffic ❍ B. Faulty crimp on an Ethernet connector ❍ C. Excessive jitter measurements ❍ D. Duplex mismatch

The Answer: B. Faulty crimp on an Ethernet connector Port flapping describes a network interface that constantly transitions between connected and disconnected. This can sometimes be related to software or firmware, but is most likely associated with a hardware issue. For example, a faulty cable or connector could cause intermittent connectivity and create a flapping Ethernet port.

A security administrator would like to ensure that each login attempt from a smartphone is from someone physically located inside the corporate office. Which of the following would provide this functionality? A. Serial interface B. GPS C. iCloud D. Hotspot

The Answer: B. GPS GPS (Global Positioning System) devices are very useful for mapping travel routes and destinations, and the GPS locations can be used by an application to identify the location of the device.

A company hosts a cloud-based application which includes redundant servers located in different data centers around the world. Which of the following cloud computing characteristics would BEST describe this application design? ❍ A. Rapid elasticity ❍ B. High availability ❍ C. Non-metered ❍ D. Desktop as a Service

The Answer: B. High availability If a single server fails, there are other servers available in different data centers for clients to access. This high availability ensures the services are always available to the users.

A field engineer is working at a remote site that is under construction, but the site does not have an Ethernet or Wi-Fi Internet connection. Which of the following would be the BEST way to get access to the Internet at this location? A. Bluetooth B. Hotspot C. MAN D. NFC

The Answer: B. Hotspot Configuring a mobile phone as a hotspot allows one or more people to use the phone's Internet connection over Wi-Fi. If Internet isn't currently available from another 802.11 wireless network, then using the hotspot feature can provide an option for Internet access.

What type of device connects multiple computers to the network, but becomes less efficient as network traffic increases? ❍ A. Switch ❍ B. Hub ❍ C. Repeater ❍ D. Router

The Answer: B. Hub A hub operates as a multi-port repeater, where incoming traffic is repeated to every other port in the hub. If more than one device attempts to communicate at the same time, these conflicting signals are called a collision. Each time a collision occurs, the sending devices have to stop transmitting, wait a random amount of time, and try sending the traffic again. If many devices are sending large amounts of data, the overall network efficiency will decrease as the number of collisions increases.

A system administrator has configured a VM for dual processors, 16 GB of RAM, and 120 GB of disk space. Which of the following is required to start this VM? ❍ A. Shared network address ❍ B. Hypervisor ❍ C. Virtual switch ❍ D. Video display

The Answer: B. Hypervisor A hypervisor, or virtual machine manager, is the software that manages the virtual platform and guest operating systems.

A printer uses continous feed paper with holes on each side. Which of the following printer type is in use? A. 3D B. Impact C. Inkjet D. Thermal E. Laser

The Answer: B. Impact Impact printers use tractor-fed paper which pulls through the printer using holes on each side of the page.

While working at their desk, a laptop user would like to use a full-size keyboard and external mouse. They would also like to connect to a monitor and wired network without connecting and disconnecting cables each time they leave the desk. Which of these would be the BEST way to provide this functionality? A. Use separate desktop and laptop computers B. Install a docking station at the user's desk C. Use a wireless access point at the user's desk D. Install a USB hub for the laptop

The Answer: B. Install a docking station at the user's desk A docking station provides the laptop with a single connection to video, network, keyboard, mouse, and other peripheral connections on their desk.

A client's laptop appears to boot normally, but nothing ever appears on the LCD. After closer inspection, you notice the output is visible but it's too faint to clearly see anything. What is the MOST likely cause of this issue? ❍ A. Video card ❍ B. Inverter ❍ C. Video driver ❍ D. Power adapter

The Answer: B. Inverter The inverter powers the CCFL (Cold Cathode Fluorescent Lamp) LCD (Liquid Crystal Display) backlight, allowing you to easily view the pixels on the display. Most newer laptops will use LED (Light Emitting Diode) backlights with existing DC (Direct Current) power and these LED lights don't require an inverter.

A company assigns IP addresses automatically to each device, and those addresses will remain on the device for a minimum of 8 hours. Which of the following BEST describes this configuration? A. Subnet mask B. Lease C. SDN D. Reservation

The Answer: B. Lease A lease is used in DHCP (Dynamic Host Configuration Protocol) to automatically associate an IP address configuration with a specific device for a certain amount of time. The device usually has the option to renew the lease to extended the configuration settings for another interval.

Which of the following commonly uses a PCI Express bus connection for data transfers? A. SATA B. M.2 C. Flash memory D. AHCI E. DDR4

The Answer: B. M.2 An M.2 interface can connect directly to a PCI Express bus connection.

Which of the following would be used to associate a device with a DHCP reservation? A. Default gateway B. MAC address C. Subnet mask D.BIOS version

The Answer: B. MAC address

An administrator would like to ensure the company's mobile devices are connecting to the appropriate towers. Which of the following provides a smartphone with this information? A. IP address B. PRL C. Phone number D. IMEI

The Answer: B. PRL Some cellular providers will maintain a PRL (Preferred Roaming List) with information on how the phone should connect to the desired cellular tower. This PRL is often updated OTA (over the air).

A graphics designer is experiencing increasing delays when accessing files on her hard drive. The user maintains a daily backup of all data on the drive. Which of these would be the BEST next troubleshooting step for this issue? ❍ A. Reinstall Windows ❍ B. Perform a hard drive diagnostic ❍ C. Restore from the daily backup ❍ D. Boot to Safe Mode

The Answer: B. Perform a hard drive diagnostic Before making any changes, it would be useful to gather more information about this problem. A hardware diagnostic would determine if the hard drive itself is working properly. If the hard drive is operating normally, the troubleshooting process can then shift to the operating system and software.

A user has connected a new laptop to an LCD projector in a conference room. About thirty minutes into the presentation, the projector light turns off but the projector fans continue to run. Which of the following would be the MOST likely reason for this issue? A. Incorrect laptop cable B. Poor projector airflow C. Dead pixels D. Incorrect resolution setting

The Answer: B. Poor projector airflow The lamp in an LCD projector can get very hot, and there are often many fans used to keep the lamp cool enough to work properly. If the fans are not working properly or the airflow is blocked, the projector will automatically shut down to prevent any heat damage.

A gaming enthusiast has upgraded his home computer from integrated graphics to a separate video adapter card. The computer operates as expected for web browsing and word-processing applications. However, playing a game results in the system shutting down after a few minutes of operation. Which of the following would be the MOST likely component causing this issue? A. CPU B. Power supply C. RAM D. SSD

The Answer: B. Power supply Adding additional components to a computer can often increase the power usage, and video adapter cards are one of the most power-hungry devices you can add to a computer. If a system is displaying errors or shutting down during periods of heavy use, then the issue is commonly related to heat or power.

An organization has implemented a cloud solution using a third-party data center. Access to the cloud service is available to anyone on the Internet. Which of the following describes this deployment model? A. Hybrid B. Public C. Community D. Private

The Answer: B. Public Public cloud deployments are for organizations that would like to provide services to anyone on the Internet. Google Mail is an example of a public cloud service.

Which of the following would be MOST associated with a SAN? A. Bluetooth B. RAID C. APIPA D. Cellular

The Answer: B. RAID A SAN (Storage Area Network) provides access to a relatively large storage system over the network. RAID (Redundant Array of Independent Disks) is a common method of providing data redundancy for storage systems.

A server administrator has been asked to configure the storage requirements for a new database server. The database owner requires the fastest performance and redundancy if a single drive fails. The storage array should support at least 8 TB of available space. Which of the following options would be the BEST choice? ❍ A. RAID 10 with 5,400 RPM, 8 TB drives ❍ B. RAID 5 with 10,000 RPM, 5 TB drives ❍ C. RAID 1 with 7,200 RPM, 8 TB drives ❍ D. RAID 0 with 15,000 RPM, 5 TB drives

The Answer: B. RAID 5 with 10,000 RPM, 5 TB drives The question is focused on three requirements; performance, drive space, and redundancy. This option provides the highest number of RPMs (Revolutions Per Minute), RAID 5 (Redundant Array of Independent Disks) redundancy, and drives with enough combined storage to support more than 8 TB (terabytes) of drive space.

What cloud-based service provides hardware, but still requires the user to setup, configure, and manage the operating system and applications? ❍ A. SaaS ❍ B. PaaS ❍ C. IaaS ❍ D. DaaS

The Answer: C. IaaS IaaS (Infrastructure as a Service) is an option that provides CPU, memory, network connections, and storage, and the customer installs and manages all of the software running on the infrastructure hardware.

A technician is installing a DSL modem in a data center. Which of the following connectors would be used to connect the DSL modem to the Internet provider line? ❍ A. RS-232 ❍ B. RJ11 ❍ C. BNC ❍ D. F-connector

The Answer: B. RJ11 The RJ11 connector (Registered Jack 11) is the modular connector commonly associated with analog POTS (Plain Old Telephone System) lines. Since DSL (Digital Subscriber Line) uses the existing telephone lines, the DSL connection from an Internet Service Provider will also use those same lines with RJ11 connectors. These connectors will be the same for residential, large-scale commercial, and SOHO (Small Office / Home Office) use.

A system administrator has noticed that their cloud implementation supports multiple application instances during the busy workday, but only one application instance is available during the slower evening shifts. Which of the following would BEST describe this functionality? A. Metered utilization B. Rapid elasticity C. High availability D. Shared resources E. File synchronization

The Answer: B. Rapid elasticity Rapid elasticity is a cloud characteristic used to increase and decrease the available resources as the application load changes.

The printer in the accounting department has stopped all printing processes. The print queue shows seven jobs in the queue waiting to be printed. Which of the following would be the BEST next troubleshooting step? A. Send a test job to the printer and move it to the top of the queue B. Restart the printer's spooler C. Install an updated version of the printer driver D. Delete everything in the queue and resend the print jobs

The Answer: B. Restart the printer's spooler The print spooler is the software responsible for storing print jobs and sending them to the printer. If the printer spooler has failed or has stopped, then none of the print jobs will be sent to the printer.

Which of these services would be associated with a Windows file transfer? A. LDAP B. SMB C. IMAP D. SSH

The Answer: B. SMB SMB (Server Message Block) is the protocol used by Microsoft Windows for file sharing, printer sharing, and other Windows services. SMB commonly uses port 445 to provide direct SMB communication between Windows devices.

A technician is upgrading the RAM on a laptop computer. Which of the following would BEST describe the memory required for this upgrade? A. SSD B. SO-DIMM C. CMOS D. ECC

The Answer: B. SO-DIMM The SO-DIMM (Small Outline Dual In-line Memory Module) form factor is about half the length of standard DIMMs. This smaller size makes it a common option for memory modules in laptop computers where size is limited.

A user has submitted a job to a network printer, but the printer will not begin to print until the user has typed their PIN on the printer console. Which of the following would BEST describe this scenario? A. Badging B. Secured prints C. Active Directory D. ADF

The Answer: B. Secured prints With secured prints, the user can define a PIN (Personal Identification Number) on their computer, and this PIN must be used on the printer to start the printing process. This process ensures the output is not sitting unattended on the printer.

A Windows user adds a passcode when submitting a print job, and that passcode must be used at the printer to begin the printing process. Which of the following would BEST describe this process? A. Hashing B. Secured prints C. Audit logs D. Badging E. WPA3

The Answer: B. Secured prints Secured printing uses a predefined passcode or PIN to prevent the printing process unless the user is physically located at the printer.

A system administrator is configuring a lab computer that will run five server VMs at the same time. Which of the following hardware resources will be the MOST important for this configuration? A. CPU B. Storage space C. Video adapter D. NIC

The Answer: B. Storage space Adding five virtual machines to a single device would require as much storage space as five separate operating systems. Of the available options, the system storage will be used the most.

While configuring a new workstation in the lab, one of the engineers recommends using 255.255.255.0. What part of the configuration is this associated with? ❍ A. Default gateway ❍ B. Subnet mask ❍ C. DNS server ❍ D. IP address

The Answer: B. Subnet mask Subnet masks are used by a device to determine what subnet it's connected to. Subnet masks are a series of binary ones that are used to "mask" the subnet address from the host address. Instead of representing this mask in binary, it's almost always shown in decimal form. Common decimal representations of subnet mask start with 255, such as 255.255.255.0.

A user has reported their tablet is not able to retrieve or send mail, browse the Internet, or connect to video conferences. Apps on the device which do not require connectivity are working as expected. Which of these would be the MOST likely cause of this issue? A. Battery is very low B. The Wi-Fi network is out of range C. The touch screen needs calibration D. The tablet is overheated

The Answer: B. The Wi-Fi network is out of range A Wi-Fi network has limited range, and poor connectivity would result in communications issues, application faults, and other networking issues.

When a user starts their computer, the screen remains blank and the computer beeps twice. Which of these would be the MOST likely cause of this issue? ❍ A. The boot device is not connected ❍ B. The memory is faulty ❍ C. The operating system has become corrupted ❍ D. The PC is infected with malware

The Answer: B. The memory is faulty The POST (Power On Self Test) is the initial hardware check during the startup process. If a major hardware component is faulty, the computer will beep and a message will be displayed on the screen. If the issue is related to a critical component, the computer will not be able to display a message on the screen and instead will beep a certain number of times as a code to specify the error.

When pressing the power button on a desktop computer, the power indicator lights up but the computer does not display any message on the screen. The voltage at the wall outlet has been checked and it appears to be normal. The motherboard power connector voltage was checked, and the 12 volt pin was showing 6 volts. What is the MOST likely cause of this issue? ❍ A. The components that use 12 volt power are faulty ❍ B. The power supply is faulty ❍ C. The wall outlet voltage does not match the power supply ❍ D. The motherboard is faulty

The Answer: B. The power supply is faulty If the 12 volt line from the power supply to the motherboard is showing 6 volts, it's likely a problem with the power supply itself. A power supply replacement should be the next troubleshooting step for this system.

Which of the following would be the MOST likely reason the finishing function of a printer would punch two holes in a page instead of three? A. The incorrect paper tray is selected B. The print driver is not configured properly C. The printer is low on toner D. The connection between the computer and the printer is faulty

The Answer: B. The print driver is not configured properly Some large printers include finishing features for adding staples or holes to the final document. If the print driver is not set correctly, these options may be placed in the incorrect location or not used at all. The printer driver may need to be reconfigured or updated to support these finishing features.

A network connection in a conference room was installed years ago, and there's no documentation for the cable run. Connecting a device to the cable results in a successful Ethernet connection, so the other end of the cable should terminate somewhere in the wiring closet. Which of these tools would be the best choice to find the other end of the network connection? ❍ A. Cable tester ❍ B. Tone generator ❍ C. Multimeter ❍ D. Crimper

The Answer: B. Tone generator A tone generator is used to produce an analog tone on the cable, and an inductive probe is used to "listen" for the tone on the other end of the cable.

A company is developing an internal application for smartphones and tablets. Which of the following would improve the security of the application's logon process? A. Data caps B. Two-factor authentication C. Bluetooth pairing D. NFC

The Answer: B. Two-factor authentication Two-factor authentication requires multiple factors to complete the login process. For example, a password (something you know) might be combined with a fingerprint (something you are) to properly authenticate users to the application.

A company has installed a page scanner that outputs the scanned files to SMB. Which of the following would be the MOST likely destination for these scanned images? A. Cloud storage B. Windows share C. eSATA drive D. Network printer E. Email inbox

The Answer: B. Windows share Windows uses the SMB (Server Message Block) protocol to transfer files between other Windows devices. SMB is commonly used to transfer files to a Windows share.

What voltages would be commonly found on a motherboard's power supply connector? A. 120 V AC B. 12 V AC, 5 V AC, 3.3 V AC C. 12 V DC, 5 V DC, 3.3 V DC D. 120 V DC

The Answer: C. 12 V DC, 5 V DC, 3.3 V DC A computer's power supply provides direct current (DC) at twelve volts, five volts, and 3.3 volts.

What port should be configured in a firewall to block secure terminal communication? A. 23 B. 443 C. 22 D. 110

The Answer: C. 22 Port 22 is used by SSH (Secure Shell), the encrypted terminal communication protocol.

A network administrator is installing an access point labeled Wi-Fi 6. Which wireless standard is being used by this access point? A. 802.11b B. 802.11g C. 802.11ax D. 802.11n E. 802.11ac

The Answer: C. 802.11ax

Which wireless standard can operate in the 5 GHz band and provides approximately 10 Gbit/sec of throughput? ❍ A. 802.11ac ❍ B. 802.11g ❍ C. 802.11ax ❍ D. 802.11n

The Answer: C. 802.11ax The 802.11ax standard, or Wi-Fi 6, can operate in either the 2.4 GHz or the 5 GHz band, and the maximum theoretical throughput is nearly 10 gigabits per second. The incorrect answers: A. 802.11ac 802.11ac, or Wi-Fi 5, operates in the 5 GHz band and can provide almost 7 gigabits per second of total throughput. B. 802.11g 802.11g operates exclusively in the 2.4 GHz band, and can provide a maximum throughput of 54 megabits per second. D. 802.11n Although 802.11n, or Wi-Fi 4, can operate in the 2.4 GHz band and the 5 GHz band, the maximum theoretical throughput of 802.11n is 600 megabits per second.

A user in the accounting department has configured their mobile phone as a hotspot. Which of these would BEST describe this configuration? A. Use the phone as a method of payment B. Fast-charge the phone C. Access the Internet through the phone D. Connect to external speakers

The Answer: C. Access the Internet through the phone Many smartphones include a hotspot feature, allowing a user to turn their phone into an Internet router. The phone provides access to the Internet over the cellular network, and other devices can use this Internet link by connecting to the smartphone over 802.11 wireless.

A new employee has been assigned a corporate smartphone, but the camera and the installation of third-party apps has been disabled. Which of the following is the MOST likely reason for these issues? ❍ A. The smartphone is out of storage space ❍ B. The smartphone OS needs to be upgraded ❍ C. An MDM has disabled the features ❍ D. The smartphone hardware is faulty

The Answer: C. An MDM has disabled the features An MDM (Mobile Device Manager) can enable or disable effectively any feature on the smartphone, including the camera and the app installation process.

A user is traveling and has enabled airplane mode on their laptop, but they would still like to use their wireless headset. Which of these settings should be enabled to allow this functionality? A. Wi-Fi B. USB C. Bluetooth D. Cellular

The Answer: C. Bluetooth Bluetooth networks are PANs (Personal Area Networks) that provide a short-distance connection to local peripherals. For example, it's common to use a Bluetooth link to connect to headsets, wireless mice, keyboards, or speakers.

An engineer has manually configured IP addresses for a small office that uses a cable modem for Internet connectivity. However, none of the devices configured with a manual IP address are able to browse Internet websites. All devices are connected to the cable modem with twisted-pair Ethernet cables. This is the configuration of one device: IP address: 192.168.1.7 Subnet mask: 255.255.255.0 Default gateway: 192.168.1.1 DNS: 192.168.1.7 The engineer can successfully ping the local IP address and the default gateway address. Which of the following should be the NEXT troubleshooting step? ❍ A. Check for duplicate IP addresses ❍ B. Replace the Ethernet cable ❍ C. Check the DNS configuration ❍ D. Replace the cable modem

The Answer: C. Check the DNS configuration One of the most noticeable IP (Internet Protocol) configuration settings was the DNS (Domain Name Service) server IP address set to the same IP address the local device. Since DNS servers are commonly separate devices, it would be unusual to see a DNS configured with the same IP address of the local device. The next step should be to confirm the DNS settings with the local network administrator.

Which part of the laser printing process permanently affixes the toner to the page? A. Cleaning B. Transferring C. Charging D. Fusing E. Exposing

The Answer: D. Fusing The fusing process uses heat and pressure to melt the toner into the page.

A system administrator has just completed a memory upgrade on a database server. When starting the system, this message is displayed: "Boot Device Not Found." The BIOS configuration does not show any hard drives in the system. Which of the following would be the NEXT best troubleshooting step? A. Replace the hard drive B. Upgrade the BIOS C. Check the hard drive cables D. Modify the BIOS boot sequence

The Answer: C. Check the hard drive cables A memory upgrade would require work inside of a computer case, and it's very easy to accidentally unseat or disconnect other cables. Since the only change was the memory upgrade, a change to the storage subsystem would not be expected. The most likely cause would be a cable issue.

A server administrator has moved a database server from a lab to a data center. After installing the server in a data center rack, the system does not power on. None of the system lights are on, and the power supply and cooling fans do not spin up. Which of the following should be the FIRST troubleshooting step for this issue? A. Replace the power supply B. Reseat all of the internal components C. Check the power cable D. Replace the motherboard

The Answer: C. Check the power cable When troubleshooting, the easiest possible solution should usually be the first one to check. This particular system has already been in use, and the system administrator was the person who moved it from one location to another. Of the available options, checking the power cable should be the first thing to check when power issues arise.

A system administrator has received a report of customers receiving email messages from the company, but upon further analysis the administrator finds the messages were not actually sent by the corporation. Which of the following should be implemented to prevent these spoofed email messages? A. Add multi-factor authentication to all email logins B. Change the passwords on all email accounts C. Configure an SPF record in the DNS D. Modify the firewall rules to prevent outgoing emails

The Answer: C. Configure an SPF record in the DNS An SPF (Sender Policy Framework) record in the DNS (Domain Name System) server provides a list of all servers authorized to send emails for a domain. Any emails not originating from an authorized source can be dismissed as unauthorized or invalid.

Sam, a user in the accounting department, is migrating from Android to iOS. She would like all of her emails, contact lists, and calendar events to be moved to her new phone. Which of the following would be the BEST way to accomplish this task? ❍ A. Use a Windows-based migration tool ❍ B. Save the Android phone data as a CSV file ❍ C. Connect the new phone to the corporate Microsoft 365 service ❍ D. Use a USB-to-Lightning cable

The Answer: C. Connect the new phone to the corporate Microsoft 365 service Microsoft 365 manages email, calendar events, and contact information in a single database. Using this central database, Microsoft 365 can be used to synchronize all of this information to both iOS and Android smartphones.

A system administrator is connecting a remote site to the Internet over a single pair of copper wires. Which of the following is the administrator using for this installation? A. PoE switch B. Hub C. DSL modem D. ONT

The Answer: C. DSL modem DSL (Digital Subscriber Line) Internet connections use the same single copper pair of wires that are traditionally used by POTS (Plain Old Telephone Service) lines. DSL modems connect to this pair of wires and convert the signal to an Ethernet connection for other devices.

A user in the accounting department needs to print a form on the laser printer on both sides of the page. Which of the following options should be configured in the accounting software? ❍ A. Collate ❍ B. Orientation ❍ C. Duplex ❍ D. Resolution

The Answer: C. Duplex The duplex setting prints the output on both sides of the page, and a printer that supports duplexing will flip the page over without any manual intervention from the user.

A desktop administrator has been asked to troubleshoot a laptop computer that beeps during the power on process while the laptop screen remains dark. Which of the following would be the best NEXT troubleshooting step? ❍ A. Implement a solution ❍ B. Document findings ❍ C. Establish a theory ❍ D. Evaluate results

The Answer: C. Establish a theory Once an issue has been identified, it's important to consider all of the possible reasons the problem may have occurred. It's useful to list all possible causes, even those that might not be obvious.

A user is looking for a cable to connect their cable modem to the cable provider's network. Which of the following connectors are on this cable? A. RJ45 B. Lightning C. F-connector D. USB-C E. DB-9

The Answer: C. F-Connector An F-connector is commonly associated with coax cable and cable provider networks.

A system administrator has been asked to build a server to support the transfer of data over SMB. Which of the following services should be added to the network? A. Syslog server B. DHCP server C. File server D. Authentication server E. Web server

The Answer: C. File Server

A newly installed MFD (Multifunction Devices) provides an option to "scan to SMB (Server Message Block)." Which of the following would BEST describe this feature? ❍ A. Print jobs can be sent from mobile devices ❍ B. All scans are checked for malware ❍ C. Files are stored on a Microsoft share ❍ D. Documents are scanned from the cloud

The Answer: C. Files are stored on a Microsoft share SMB (Server Message Block) is the protocol used by Microsoft operating systems to share files, print jobs, and other information between other Microsoft OS devices. Many MFDs (Multifunction Devices) can scan a document and store the scanned file on a central network share using SMB.

Which of the following would be the BEST choice for capturing an image from a printed page and saving it on a computer? A. QR code reader B. Optical drive C. Flatbed scanner D. Webcam

The Answer: C. Flatbed scanner A flatbed scanner is designed to capture images from paper and convert them into digital form.

A system administrator needs to upgrade the hard drives in a RAID array. Which of the following would be the BEST measurement of read and write times on the new hard drives? A. S. M. A. R. T. B. Jitter C. IOPS D. RPM

The Answer: C. IOPS IOPS (Input/Output Operations Per Second) is a measure of read and write performance, and it provides a good comparison of performance between different storage devices.

A user in the marketing department needs an LCD with the best possible color representation. Which of the following would be the BEST choice for this requirement? A. TN B. CCFL C. IPS D. VA

The Answer: C. IPS An IPS (In Plane Switching) display provides excellent color representation and would be the best choice of the available options.

A user's smartphone shows a black screen and does not respond to any screen taps or button presses. A check of the SIM card shows a red label but no physical damage. Which of the following is the MOST likely reason for these issues? ❍ A. Overheating ❍ B. Digitizer failure ❍ C. Liquid damage ❍ D. Invalid SIM card

The Answer: C. Liquid damage Most smartphones and tablets include a liquid contact indicator (LCI). This indicator is usually white, and it can often be seen without disassembling the device. If the LCI turns pink or red, the device has been in close contact with liquid.

A user's smartphone contains both personal and corporate data. When the user attempts to install a new app, the installation is halted and an error message appears. Which of the following would be the MOST likely reason for this issue? A. NFC B. Bluetooth C. MDM D. GPS

The Answer: C. MDM MDM (Mobile Device Management) provides centralized management for mobile devices. An MDM can be used to set policies on app use, data storage, camera use, and almost any other feature on the smartphone.

Which of these devices would be used to configure an 802.1Q trunk? A. Router B. Repeater C. Managed switch D. Cable modem

The Answer: C. Managed switch A managed switch includes features not found in an unmanaged switch, such as traffic prioritization, redundancy support, remote management, and VLAN (Virtual Local Area Network) support for connectivity to other switches via 802.1Q.

A marketing manager is printing a document on the company letterhead stored in one of the printer trays. However, the output is instead printed from a tray containing plain paper. Which of the following would be the BEST way to resolve this issue? A. Select the duplex print option B. Enable collated output C. Modify the output tray in the print dialog D. Change the output orientation

The Answer: C. Modify the output tray in the print dialog The printer dialog shown during the print process should provide an option to choose the tray for the print job. If the tray selection is available, the option should be available in the print driver properties.

A company is deploying cloud-hosted virtual desktops for training room classes. The VMs have already been configured in the cloud. Which of the following is required to access these VMs using thin clients in the training room? A. High-end video cards B. Separate Internet connection C. Mouse, keyboard, and monitor D. Category 6A cabling

The Answer: C. Mouse, keyboard, and monitor Cloud-hosted virtual desktops are a type of VDI (Virtual Desktop Infrastructure). Access to the desktop is provided over a remote access- style client, and access can be provided from almost any operating system using a low-bandwidth network connection. The client device is usually a thin-client that has a minimum set of resources, a mouse, keyboard, and a monitor.

Which of these technologies do not require a backlight to provide a viewable display? ❍ A. LCD ❍ B. IPS ❍ C. OLED ❍ D. LED

The Answer: C. OLED An OLED (Organic Light Emitting Diode) display emits light when a current is provided to an organic compound. A backlight would not be necessary with an OLED display.

A user's print jobs to a new multifunction printer produce pages of garbled text, but jobs from other users are printing normally. Which of the following would be the MOST likely reason for this issue? ❍ A. Printer driver specifies secured prints ❍ B. Faulty network cable ❍ C. Print driver is configured for PCL ❍ D. Application is not authorized to print

The Answer: C. Print driver is configured for PCL The page description language configured in a printer driver must match the language on the printer. If a device prints to a PostScript printer using Hewlett-Packard's PCL (Printer Command Language), the output will appear garbled and unreadable.

Users in the marketing department are reporting that one network printer is not working. There are many print jobs in the queue, but none of the jobs are printing. A test print from the printer's front panel does not print any pages. What is the MOST likely reason for this printing issue? A. Printer drivers need to be updated B. Network is disconnected C. Printer hardware has failed D. Print spooler needs to be restarted

The Answer: C. Printer hardware has failed If the printer was operational, then a printer test from the front panel should provide some output. The test print bypasses the network and print spooler and provides a check for print quality. If the local test print isn't working, then the printer itself has some type of hardware failure.

A user is complaining about slow network performance from their workstation. A network technician checks the data closet and finds the wires are not properly seated in the 110 block. Which of the following should the technician use to correct this issue? ❍ A. Crimper ❍ B. Multimeter ❍ C. Punch-down tool ❍ D. Cable tester

The Answer: C. Punch-down tool A punch-down tool is used to firmly "punch" a wire into a wiring block. These blocks are usually located in a wiring closet or on a patch panel.

A server administrator needs to store gigabytes of server performance statistics for future analysis. The data needs to be always be available, even if a storage drive fails. Which of the following would be the BEST choice for this data? A. Optical drive B. SD C. RAID D. CompactFlash

The Answer: C. RAID Most RAID (Redundant Array of Independent Disks) configurations support the use of multiple drives for redundancy, even if a single drive was to fail.

An application developer is designing an app which uses three servers running simultaneously as VMs on her desktop. An upgrade to the application will add three additional servers to the list of running VMs. Which of these hardware resources will be the MOST important for this upgrade? A. Video adapter B. Network connection C. RAM D. CPU

The Answer: C. RAM Without any additional information about the applications, the most critical resource for these new servers will be the amount of RAM required to keep all of the operating systems running simultaneously.

Which of the following would be used to terminate a copper Ethernet patch cable? A. BNC B. RS-232 C. RJ45 D. DB-9

The Answer: C. RJ45 Copper Ethernet cables are commonly terminated with an 8P8C (Eight Position / Eight Conductor) RJ45 (Registered Jack 45) standard connector.

Which type of RAID configuration splits file blocks between two or more physical drives and adds parity for redundancy? A. RAID 0 B. RAID 1 C. RAID 5 D. RAID 10

The Answer: C. Raid 5 RAID 5 stripes file blocks between drives and adds an additional parity stripe for redundancy.

B55. A server administrator has configured a database server with a RAID 0 array containing four hard drives. An error notification from the RAID controller states that disk 3 has failed. Which of the following would be the BEST way to address this disk failure? A. Replace the drive and re-mirror the array B. Replace the drive and resynchronize the array C. Replace the drive and restore from backup D. Replace all drives and restore from backup E. Replace all drives and resynchronize the array

The Answer: C. Replace the drive and restore from backup RAID 0 (Redundant Array of Independent Disks, Level 0) provides an efficient storage method at the expense of redundancy. Data in RAID 0 is striped across multiple drives, and if one drive is lost the data in the array is also lost. To repair a failed RAID 0 array, the bad drive will need to be replaced and all of the data must be restored from a backup.

A company has acquired computers that were previously part of a third- party lease. All of the computers prompt for a password when powering on the system before the operating system will load, but the password was not included with the computers. Which of the following would be the BEST way to resolve this issue? A. Replace the primary storage drive B. Boot from the Windows installation media C. Reset the BIOS using jumpers on the motherboard D. Disconnect the power cable for ten minutes

The Answer: C. Reset the BIOS using jumpers on the motherboard The BIOS (Basic Input Output System) of a computer can often be assigned configuration or management passwords to prevent any changes to the BIOS settings. The BIOS also supports a boot or user password, and the system will not boot until the correct password is entered. This password can often be reset by shorting a jumper on the motherboard and restarting.

A system administrator is using a maintenance kit on a network-connected laser printer. Which of the following should be the LAST step when performing this maintenance? ❍ A. Examine the feed rollers ❍ B. Wait until the fuser unit cools down and replace it ❍ C. Reset the page counter ❍ D. Replace the power cord

The Answer: C. Reset the page counter The page counter is a helpful metric to determine how much the printer is used, which in turn determines when the next maintenance should be scheduled. After performing the current maintenance cycle and verifying the printer's operation, the page counter should be reset so the next maintenance time-frame can be properly estimated.

A network administrator is using a laptop computer to configure a switch over a direct cable connection. Which of the following would BEST describe this connectivity? A. Bluetooth B. Thunderbolt C. Serial D. Lightning

The Answer: C. Serial Most infrastructure devices provide a management or console interface over a serial link. These have traditionally used DB-9 (D-Subminiature size B - 9 pin) interfaces, but newer devices often use USB (Universal Serial Bus) connections.

A user has just connected to a new wireless network, but they cannot view any Internet web sites. Their network configuration shows the IP address as 169.254.228.109, the subnet mask is 255.255.0.0, and they have not been assigned a default gateway. Which of these is the MOST likely cause of this issue? ❍ A. The subnet mask is not correct ❍ B. The Internet provider is experiencing a temporary outage ❍ C. The DHCP server is down ❍ D. The wireless adapter is not working properly

The Answer: C. The DHCP server is down If a DHCP (Dynamic Host Configuration Protocol) server is not responding, the local workstation will configure itself with an APIPA (Automatic Private IP Addressing) address. The usable APIPA addresses range between 169.254.1.0 through 169.254.254.255. An APIPA address is a link-local address, so network communication is limited to the local IP subnet.

During a presentation in a conference room, the lamp in an LCD projector is turning off after five minutes of use and back on ten minutes later. Which of the following would be the MOST likely reason for this issue? A. The video cable is faulty B. The display lamp has failed C. The cooling process is failing D. The display resolution is incorrect

The Answer: C. The cooling process is failing If an LCD (Liquid Crystal Display) projector becomes overheated, it will automatically turn off to protect the bulb and other components. This is similar to the automatic protections found in laptop and desktop computers, and once the system cools down it can be restarted. If the cooling fans are blocked or not working, this process may continue the cycle until the cooling problem is resolved.

A technician has connected a laptop to an LCD. The LCD is displaying the correct information, but all of the content appears to be fuzzy and difficult to read. Which of the following is the MOST likely reason for this issue? A. The LCD display is faulty B. The laptop display adapter is incompatible with the LCD display C. The laptop resolution is incorrect D. The LCD display cable is faulty

The Answer: C. The laptop resolution is incorrect An LCD (Liquid Crystal Display) has a native resolution based on the physical dimensions of the display. If the resolution settings in the operating system don't match the native resolution of the physical display, the information on the screen may appear blurry or distorted. Matching the native resolution in the operating system will resolve this issue.

The computers in the shipping department are receiving the message "No connectivity" on their computers. The ipconfig output on one of thecomputers provides this information: IPv4 Address: 192.168.1.22 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.1.1 From this device, a technician is able to successfully ping 127.0.0.1 and 192.168.1.22. The technician can also ping other devices in the shipping department, but cannot receive a ping response from servers in the data center or from the 192.168.1.1 address. Which of these would be the MOST likely cause of this issue? A. The DHCP server is down B. The wireless network is experiencing interference C. The local router is down D. The Internet provider is experiencing an outage

The Answer: C. The local router is down The default gateway is the local router for the IP subnet. If the default gateway address of 192.168.1.1 is not responding to a ping, then the router may not be operational.

A user in the manufacturing department reports that every page printed from the central networked laser printer has a single black line extending from the top of the page to the bottom. Which of the following is the MOST likely cause of this issue? A. The fuser is damaged B. The printer language is not properly configured C. The photosensitive drum is damaged D. The toner is low

The Answer: C. The photosensitive drum is damaged A scratched photosensitive drum would cause a line to appear down the printed page as the toner sticks to the scratched part of the drum. Some printers allow individual drums to be replaced, and others require the entire toner cartridge with drum to be replaced. Once the scratched drum is replaced, the black line will no longer appear on the printer output.

A desktop computer has just abruptly shut off, and pressing the power button doesn't restart the system. There are no fans spinning, no lights are on, and no messages appear on the display. Which of these would be the MOST likely cause of this issue? ❍ A. The BIOS is configured with a startup password ❍ B. The LCD display backlight has failed ❍ C. The power supply is faulty ❍ D. The master boot record is corrupted ❍ E. The boot sector is missing

The Answer: C. The power supply is faulty A faulty power supply could cause a loss of power across all computer systems, and the lack of fans, lights, and output on the display would be the most likely cause given the available options.

If a laptop's inverter is faulty, which of the following would be the MOST likely result? A. The battery will not recharge B. The system will not power on C. The screen will be difficult to see D. The USB interfaces will not be powered

The Answer: C. The screen will be difficult to see The inverter is used to convert the DC (Direct Current) power inside of the laptop to AC (Alternating Current). The AC power is then used to power the CCFL (Cold Cathode Florescent Lamp) backlights found in older laptop computers. Without the backlight, it will be very difficult to see the information displayed on an LCD (Liquid Crystal Display) screen.

A network administrator is planning to connect the network of two buildings together with a Category 6A cable. Ten Ethernet cables have been run from a wiring closet, through a conduit, and into a wiring closet on the other side. The network administrator needs to identify the ends of the cables so they can be properly terminated on each side. Which of the following should be used to complete this task? A. Cable stripper B. Loopback plug C. Tone generator D. Crimper

The Answer: C. Tone generator A tone generator places an analog audio tone onto the wires of a cable, and an inductive probe is used on the other end to precisely identify the cable with the tone. By moving the tone generator to each of the ten cables, the other end of the cable can be easily identified and labeled.

A member of the accounting department would like to work remotely\ while attending a conference in another city. Which of these technologies would BEST provide this functionality? A. VLAN B. 802.11 C. VPN D. PAN

The Answer: C. VPN A VPN (Virtual Private Network) would allow a remote user to connect to the corporate office over a secure encrypted tunnel.

Which of the following would be the BEST way to remove toner and paper dust from the inside of a laser printer? A. Use a chemical cleaner that removes toner particles B. Run a cleaning page through the printer C. Wipe the inside with a damp cloth D. Use compressed air to blow out the particles

The Answer: C. Wipe the inside with a damp cloth There can be a significant amount of dust and toner particles inside of a laser printer, and using a normal vacuum cleaner or compressed air would release the particles into the air. Instead, a damp cloth will capture the toner and dust without causing issues with airborne particles in the immediate area.

Which of these would commonly be used to connect to an external storage device? A. F-connector B. ST C. eSATA D. Molex

The Answer: C. eSATA eSATA (External Serial ATA) is the external version of the SATA standard. The connectors for eSATA are slightly different than the internal SATA connectors.

A workstation administrator is configuring a new system for graphics designers, and the users have requested the fastest possible storage speed for reading and writing data. Which of the following would be the BEST choice for this requirement? A. 10 TB NAS B. 8 TB HDD C. 5 TB SAN D. 2 TB SSD

The Answer: D. 2 TB SSD The most important requirement for this new system is the speed of reading and writing data. Of the available options, the fastest throughput is an SSD (Solid-State Drive). Although the storage space is the lowest of the available options, the users didn't specify any minimum storage size requirements.

A firewall is configured to block email transfers from a remote server. Which of the following ports is the firewall blocking? ❍ A. 443 ❍ B. 22 ❍ C. 23 ❍ D. 25

The Answer: D. 25 Port 25 is used by SMTP (Simple Mail Transfer Protocol) to send email messages from devices and transfer those messages between SMTP email servers.

A network engineer is installing a device allowing wireless devices to access the wired Ethernet network. Which of the following would BEST describe this technology? A. Hub B. Managed switch C. VLAN D. Access point

The Answer: D. Access point An access point bridges the 802.11 wireless network with a wired. Ethernet network. Since the access point is acting as a bridge, it's making forwarding decisions based on the destination MAC (Media Access Control) address of the network frame.

What type of power supply can operate across countries using different voltages? A. High-voltage B. Primary C. Modular D. Auto switching

The Answer: D. Auto switching An auto switching power supply can automatically detect and use different input voltages without the need to manually select an input voltage. This is especially useful when using equipment in countries with 120 volts of alternating current, and then move that same equipment to a country using 240 volts of alternating current.

A user's desktop computer does not start in the morning when the power button is pressed. A technician notices that the screen remains dark, but fans are spinning inside of the computer case. No messages are displayed and no beeps are heard. Which of the following would be the MOST likely reason for this issue? A. Faulty RAM B. No boot drive found C. The CPU is overheating D. Bad power supply

The Answer: D. Bad power supply A bad power supply can sometimes provide power for some voltages but not others. If the fans are running but no other devices are working, then a bad power supply should be a consideration.

A user has logged into their laptop using a fingerprint reader on the laptop's keyboard tray. Which of the following would BEST describe this technology? A. NFC B. GPS C. Screen digitizer D. Biometrics

The Answer: D. Biometrics Biometrics provide a way to authenticate using something physical about a person. Some common biometric systems will evaluate a fingerprint, face recognition, or other physical trait to complete the authentication process.

A network administrator is installing a new access point between buildings. Which of the following would determine the usable frequencies and maximum signal strength for this connection? A. End User License Agreement B. Type of data transferred C. Acceptable Use Policy D. Government regulations

The Answer: D. Government regulations Most governments will regulate the usable frequencies and maximum power for the wireless spectrum. These regulations can vary depending on location, frequencies, or type of network.

A network administrator has just installed a new access point in a downtown office building, but now users are reporting intermittent connectivity to the Internet. Which of the following would be the FIRST thing to check? A. SSID broadcast option B. Firmware version C. MAC filter D. Channel interference levels

The Answer: D. Channel interference levels In areas with many different organizations located near each other, it's possible that the frequencies used on different wireless access points could conflict with each other and cause interference with wireless communication. In busy areas, it's recommended to perform an analysis of the frequencies in use before installing a new access point.

In which of the following would a Lightning cable MOST likely be used? ❍ A. Connect a server to a display monitor ❍ B. Increase the available memory of a device ❍ C. Remotely control a mobile device ❍ D. Charge a mobile device

The Answer: D. Charge a mobile device The Lightning interface is a proprietary interface used exclusively on mobile devices from Apple. The Lightning interface is a common connection for data transfers and power charging for many Apple mobile devices.

A user has powered on their computer and received the message "Operating system not found." A check of the system shows that the SATA drive cables are properly connected. Which of the following would be the NEXT best troubleshooting step? ❍ A. Boot to Safe Mode ❍ B. Replace the boot drive ❍ C. Restore from a known good backup ❍ D. Check for removable drives

The Answer: D. Check for removable drives If a USB (Universal Serial Bus) storage device is connected to a computer and the BIOS (Basic Input/Output System) is checking USB devices before the primary storage drive, the "Operating system not found" error could appear with some USB devices. To avoid this error, the boot order in the BIOS can be changed, or the USB device can be disconnected during the boot process and reconnected after the operating system has started.

A manager's computer is able to connect to Internet sites while in conference rooms or in the building courtyard. When the laptop is brought back to the manager's desk and placed into the docking station, the Internet access is unavailable but all other features are working. Which of the following should be the FIRST troubleshooting task for this issue? A. Replace the docking station power supply B. Upgrade the laptop BIOS C. Replace the docking station D. Check the docking station network cable

The Answer: D. Check the docking station network cable The Internet access on the laptop appears to be working properly on the wireless network, but the docking station connection would use a wired Ethernet connection. If everything else is working properly, then the issue would most likely be associated with the Ethernet interface in the docking station.

A network engineer is troubleshooting an issue communicating to the Internet over a newly installed DSL connection. A laptop is connected to a DSL router over twisted pair copper. The IP configuration of the laptop is: IP address: 169.254.228.109 Subnet mask: 255.255.0.0 DNS: 9.9.9.9 Which of the following should be the NEXT troubleshooting step? A. Reset the DSL modem B. Modify the subnet mask C. Change the DNS server address D. Check the status of the DHCP server

The Answer: D. Check the status of the DHCP server A DHCP (Dynamic Host Configuration Protocol) server automatically distributes IP addresses to new devices connecting to a network. If the DHCP server isn't available, a device will commonly auto-configure itself with an APIPA (Automatic Private IP Addressing) address. Addresses between the range of 169.254.1.0 through 169.254.254.255 are assigned to devices using APIPA.

A system administrator has tripped over an Ethernet cable and the cable's RJ45 connector has broken. Which of the following should be used to resolve this issue? ❍ A. Punch-down tool ❍ B. Tone generator and probe ❍ C. Cable tester ❍ D. Crimper

The Answer: D. Crimper A crimper is used to attach a modular connector to a cable. In this example, a new connector can be reattached to the cable using an RJ45 (Registered Jack type 45) crimper.

Which of the following DNS entries is used to digitally sign a domain's outgoing email? A. MX B. SPF C. AAAA D. DMARC E. DKIM

The Answer: D. DMARC

A graphics designer has noticed that small dots on their screen remain a solid black color, even when the image should display a different color. Which of the following would describe this issue? A. Burn-in B. Non-native resolution C. Incorrect data source D. Dead pixel

The Answer: D. Dead pixel A dead pixel is a single dot (pixel) on the screen that always remains black and does not change with the image.

A server administrator has replaced a bad hard drive in a RAID array and has verified the array is operating with full functionality. Which of the following would be the best NEXT troubleshooting step? A. Run diagnostics on the bad hard drive B. Replace the RAID controller C. Create a list of optional troubleshooting steps D. Document the drive replacement

The Answer: D. Document the drive replacement After an issue has been resolved, the last step of the troubleshooting process is to document the issue, the solution, and any important details identified during the troubleshooting process.

A user in the marketing department would like to use a stylus to provide input through an external digitizer. Which of the following would be the BEST choice for this requirement? ❍ A. LCD touchscreen ❍ B. Port replicator ❍ C. Wireless mouse ❍ D. Drawing pad

The Answer: D. Drawing pad A drawing pad connects to a desktop or laptop computer to provide very precise input using a digitizer and stylus.

A server administrator is configuring a new system for virtualization. Which of the following configurations would provide virtualization support on an Intel CPU? A. Install a 64-bit operating system B. Turn on HTT C. Allocate a larger amount of storage space to the virtualization partition D. Enable VT in the firmware

The Answer: D. Enable VT in the firmware Many Intel processors support VT, or Intel Virtualization Technology. This CPU (Central Processing Unit) feature for virtualization provides hardware support for hypervisors and can make the virtualization process much more efficient than running the virtual machines in a software-only environment.

What kind of device is commonly used to filter traffic based on a predefined set of rules? ❍ A. PoE switch ❍ B. Repeater ❍ C. DSL modem ❍ D. Firewall

The Answer: D. Firewall A firewall is designed to evaluate inbound traffic, compare that traffic to predefined security policies, and allow or block that traffic from passing through the firewall. Firewalls are common security appliances between an organization's internal network and the Internet.

A system administrator needs a secure method of storing encryption keys. Which of the following would be the BEST choice for this requirement? ❍ A. BIOS ❍ B. Secure Boot ❍ C. NTFS ❍ D. HSM

The Answer: D. HSM An HSM (Hardware Security Module) is commonly used as a secure method of key backup. The HSM can be deployed as a standalone server or in a lightweight form with Smart Cards or USB keys.

The power button on a desktop computer case does not start the system when pressed. Bypassing the button and starting the system manually from the motherboard works normally. Which of the following connectors is MOST likely the issue? A. 4-pin ATX B. PCI 8-pin C. 24-pin power D. Header E. eSATA

The Answer: D. Header The header, or pin header, is a series of pins used to connect external buttons and interfaces to the motherboard.

A technician is connecting USB interfaces on a computer case to the motherboard. Which of the following would be commonly used for this connectivity? A. PCIe B. eSATA C. TPM D. Headers

The Answer: D. Headers A header, or pin header, is a group of pins on the motherboard. These pins provide connectivity to different motherboard features, such as power, lights, peripheral connections, and more.

Which of these devices sends incoming traffic to every other port on the device? A. Router B. Unmanaged switch C. Cable modem D. Hub

The Answer: D. Hub A hub does not make any forwarding decisions based on the contents of a network frame. When the frame is received by the hub, it sends a copy of that frame to every other interface on the hub.

A company is using a cloud-based service that provides a hardware platform and no additional software. Which of these would BEST describe this purchase? ❍ A. SaaS ❍ B. Hybrid ❍ C. Metered ❍ D. IaaS

The Answer: D. IaaS IaaS (Infrastructure as a Service) is a model that provides the computing platform, but no additional software. The user will usually configure the platform with the appropriate CPU, memory, and storage options, and the service provider is only responsible for the uptime and availability of the hardware platform. The user is generally responsible for all software administration.

A system administrator would like to increase the RAM transfer speed in a server. Which of these configurations would be the best choice for this task? A. ECC memory B. Read-only memory C. Parity memory D. Multi-channel memory E. Virtual memory

The Answer: D. Multi-channel memory Multi-channel memory increases the amount and speed by distributing the transfers between multiple RAM modules.

A user is pairing a Bluetooth headset to their smartphone. What type of security is used during the pairing process to authorize this connection? ❍ A. 802.1X ❍ B. Client certificate ❍ C. Pre-shared key ❍ D. PIN ❍ E. Username and password

The Answer: D. PIN A PIN (Personal Identification Number) is used to validate the device connecting during the Bluetooth pairing process. This authorization prevents a third-party from connecting to a smartphone or tablet without permission.

A server administrator has been asked to troubleshoot a system that has been slowing down over time. While examining the computer, the administrator can hear a series of clicks from the inside of the case. Which of the following should be the FIRST step to address this issue? ❍ A. Replace the motherboard ❍ B. Power the system off and back on ❍ C. Replace the hard drive ❍ D. Perform a full backup of the server ❍ E. Replace the power supply

The Answer: D. Perform a full backup of the server A clicking noise indicates some type of hardware issue with the computer, so the first step would be to confirm that a recent backup is available for all of the data on this system. If the computer fails completely, at least the data will be secure.

A manager in the accounting department is complaining of slow performance on her computer. Initial troubleshooting shows low utilization of CPU and memory. A network speed test reports normal throughput to the local network devices. Which of the following would be the BEST next step for troubleshooting this issue? A. Boot to Safe Mode B. Upgrade the BIOS C. Replace the memory modules D. Perform a hard drive diagnostic

The Answer: D. Perform a hard drive diagnostic If a slowdown is not associated with CPU, memory, or the network, then the issue may be with some other type of hardware. A diagnostic of the hard drive would identify any issues that may be slowing down the computer.

An engineering firm is upgrading their storage array to include additional drive space for documents and designs. The primary goal is to provide high performance and uptime, even if two drives were to fail. Which of the following would be the BEST choice for this firm? ❍ A. RAID 1 ❍ B. RAID 5 ❍ C. RAID 0 ❍ D. RAID 10

The Answer: D. RAID 10 RAID (Redundant Array of Independent Disks) is a method of combining storage drives together to add speed and/or redundancy. A RAID 10 array is a nested RAID configuration that creates a mirrored set of RAID 0 drives. As long as only one drive fails in each RAID 0 mirror, the redundancy will remain valid and the user's data will continue to be available.

A company has designed a platform to scale up when the application use increases during the day, and scale back down at night. Which of the following BEST describes this characteristic of cloud computing? ❍ A. Resource pooling ❍ B. Measured service ❍ C. Hybrid ❍ D. Rapid elasticity

The Answer: D. Rapid elasticity Scaling up and down as needed is a significant characteristic of cloud computing. This allows organizations to manage and pay for resources when busy, but save time and money when the resources are no longer needed.

A user's tablet has stopped responding to any type of finger input on the screen. The clock and other tablet functions appear to be working. Which of the following would be the BEST way to correct this issue? ❍ A. Replace the screen ❍ B. Reset the wireless network ❍ C. Connect to a power source ❍ D. Restart the tablet

The Answer: D. Restart the tablet Before making any changes to hardware or software, it's useful to restart the tablet to see if a software glitch may have been the underlying issue.

Which of the following devices makes forwarding decisions using the destination IP address of a packet? A. VLAN B. Access point C. Modem D. Router E. Switch

The Answer: D. Router A router examines the destination IP address of a packet when making a forwarding decision.

A company would like to advertise a list of email servers authorized to send messages on their behalf. Which of the following would be the BEST way to provide this information? A. APIPA B. Proxy server C. UTM D. SPF record

The Answer: D. SPF record An SPF (Sender Policy Framework) record is part of a DNS (Domain Name System) server configuration, and it lists all servers authorized to send emails for a particular domain.

A user in the shipping department is printing a single page to your laser printer, but the output includes the printed page with three or four pages stuck together underneath it. Which of these would be the most likely cause of this issue? A. Duplexer B. Transfer belt C. Fuser assembly D. Separation pad E. Imaging drum

The Answer: D. Separation pad The separation pad ensures that the printer will pull a single page from the paper tray at a time. As the separation pad becomes worn, more than one page can inadvertently be pulled through the laser printing process.

A workstation has been assigned an APIPA (Automatic Private IP Addressing) address. Which of the following would be the MOST likely reason for this assignment? A. The workstation is not connected to the wireless network B. The DNS server is misconfigured C. The network is using public Internet addresses D. The DHCP server is down

The Answer: D. The DHCP server is down APIPA (Automatic Private IP Addressing) is an IPv4 (Internet Protocol version 4) link-local addressing scheme. If a device does not have a static IP address and an address is not available from a DHCP server, the local device will assign itself an APIPA address and communication to other APIPA devices on the same subnet will be available.

A user is attempting to charge their iPhone, but the charging icon does not appear when connecting the charging cable. A working cable from another iPhone exhibits the same symptoms. Which of the following is \ the MOST likely reason for this issue? A. The screen is locked B. An iOS update is pending C. The iPhone has low signal D. The Lightning port is damaged

The Answer: D. The Lightning port is damaged A damaged Lightning interface would prevent the phone from charging, even while attempting to charge with different cables.

A system administrator has just received a laptop previously sent out for repair. However, after powering on the computer, the laptop no longer responds to the stylus. Which of the following is the MOST likely reason for this issue? A. The GPU requires an updated device driver B. The display needs a new inverter C. The display needs to be paired to the laptop motherboard D. The digitizer is faulty

The Answer: D. The digitizer is faulty The digitizer converts the touch of a finger or a stylus to digital signals used by the computer. If the digitizer is not operational, then the screen will not be able to interpret the input from a stylus.

A remote user is visiting their corporate office. They have connected their laptop to the wireless network, but the corporate Internet access is performing much slower than their remote site network. Which of the following would be the most likely reason for this issue? A. The default gateway is incorrect B. The laptop has been assigned an APIPA address C. The user does not have permission to use the wireless network D. There is interference with the wireless signal

The Answer: D. There is interference with the wireless signal The name of the wireless network, or SSID (Service Set Identifier) is normally broadcast to all nearby devices. If the SSID broadcasts are administratively disabled, the network name will not appear in the drop-down list of available wireless networks.

A company needs to purchase a new printer for an open work area. The primary requirement of this printer is to be as quiet as possible. Which of these printer types would be the best fit for this requirement? ❍ A. Dot-matrix ❍ B. Inkjet ❍ C. Laser ❍ D. Thermal

The Answer: D. Thermal Of the available options, thermal printers are the quietest. The only moving parts in a thermal printer are the motors that push the paper through the printer, and those motors are small and run almost silently.

A graphics designer needs to connect their macOS computer to a second monitor and an external storage drive. Which of the following interface types would provide this connectivity? A. Lightning B. DisplayPort C. DVI-D D. Thunderbolt

The Answer: D. Thunderbolt The Thunderbolt standard was created by Intel to connect external peripherals to a computer at high speeds. The Thunderbolt standard supports many different peripheral types, including displays, external storage, Ethernet network connections, and many others.

Which of the following would be the BEST way to activate the screen of a smartphone without physically touching the display with a fingertip? A. Trackpad B. Port replicator C. Smart card reader D. Touch pen

The Answer: D. Touch pen A touch pen provides for interaction of a touch screen without physically pressing the display with a fingertip. Touch pens are often referenced as a touchscreen pen, touch screen stylus, or capacitive stylus.

Which of the following would be the BEST way to activate the screen of a smartphone without physically touching the display? A. Trackpad B. Port replicator C. Smart card reader D. Touch pen

The Answer: D. Touch pen A touch pen provides for interaction of a touch screen without physically pressing the display with a fingertip. Touch pens are often referenced as touchscreen pen, touch screen stylus, or capacitive stylus.

Which of the following accessories are commonly used as a pointing devices on a laptop computer? A. M.2 drive B. Keyboard C. SO-DIMM D. Trackpad E. Webcam

The Answer: D. Trackpad A trackpad is commonly used as an alterative to the mouse on a laptop computer.

Each time a user logs in, they must type their password and a random number from a smartphone app. Which of the following would BEST describe this process? A. PRL update B. Bluetooth pairing C. NFC data transfer D. Two-factor authentication

The Answer: D. Two-factor authentication Two-factor authentication requires two separate types of proof during the login process. For example, a password (something you know) can be used with a PIN (Personal Identification Number) from an app (something you have) to verify a user login.

A user needs to connect a USB headset, but their laptop does not have any available USB interfaces. Which of the following would correct this issue? A. M.2 interface B. USB to Ethernet converter C. Network tap D. USB hub E. Molex connector

The Answer: D. USB hub A USB (Universal Serial Bus) hub can be used to increase the number of available USB interfaces on a system.

A user is reporting that a shared laser printer in the marketing department is not printing from one particular application. The front panel of the printer shows that the printer is online and ready to receive print jobs. Other users in the department are able to successfully print to the printer. Which of the following would be the BEST next troubleshooting step? ❍ A. Power cycle the printer ❍ B. Restart the print spooler ❍ C. Perform a test print from the printer console ❍ D. Verify the network printer name in the application

The Answer: D. Verify the network printer name in the application We know that the printer is working normally because other people are able to print successfully. This also means that the spooling process is working and the print server is successfully queuing the print jobs. Given the other options, it's most likely that the user is directing the print job to a different printer.

A Windows user would like to temporarily store information from RAM onto their SSD. Which of the following features should be configured? A. Multi-channel memory B. ECC C. System Protection D. Virtual Memory

The Answer: D. Virtual memory Virtual memory is used to extend the size of available memory by temporarily moving unused data out of RAM and onto a local storage drive.

A network administrator is connecting four company locations in different countries. Which of the following would BEST describe this configuration? ❍ A. LAN ❍ B. PAN ❍ C. MAN ❍ D. WAN

The Answer: D. WAN A WAN (Wide Area Network) connects LANs across a long geographical distance. Once the link extends past the local city area, the connection would be considered a WAN link.

The firewall on a user's workstation is preventing the automatic assignment of an IP address. Which of the following ports should be allowed through this firewall? A. tcp/20 and tcp/21 B. tcp/3389 C. tcp/22 D. udp/67 and udp/68 E. cp/80 and tcp/443

The Answer: D. udp/67 and udp/68

Which of the following would be commonly used to transfer files between systems? A. tcp/22 B. tcp/20 C. udp/68 D. tcp/25 E. udp/161

The Answer: DB. tcp/20 TCP port 20 is commonly used by FTP (File Transfer Protocol) to copy files between systems.

A technician has upgraded a system to 16 GB of RAM, but the Windows operating system will only show a maximum of 4 GB. Which of the following is the MOST likely reason for this difference? A. Hyper-Threading Technology B. Virtualization support C. ARM architecture D. Multiple cores E. 32-bit architecture

The Answer: E. 32-bit architecture A 32-bit operating system architecture is limited to 4 GB of total memory space.

The output from a printer has a crease on the page. Which of the following would be the MOST likely cause of this crease? A.Low toner B. Bad printer driver C. Spooler service failure D. Scratched photosensitive drum E.. Incorrect paper weight

The Answer: E. Incorrect paper weight An incorrect weight of paper can create problems along the paper path and cause creases in the final output.

A network administrator is connecting a fiber run from another building. Which of the following would provide a connection for this link? A. DB-9 B. Molex C. RJ11 D. USB Micro-B E. SC (Subscriber Connector)

The Answer: E. SC (Subscriber Connector) An SC (Subscriber Connector) is a connector used to connect many different fiber optic devices.

Which of the following would be commonly used as a memory form factor in laptops? A. SSD B. PCIe C. SATA D. M.2 E. SO-DIMM

The Answer: E. SO_DIMM The small form factor of SO-DIMM memory is ideal for use in mobile and laptop devices.

A server console is displaying a notification containing S.M.A.R.T. data. Which of the following would be MOST associated with this information? A. RAM B. Network adapter C. Video D. Bluetooth E. SSD

The Answer: E. SSD S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) data provides performance metrics for storage devices such as an SSD (Solid State Drive).

A user's LCD monitor contains four dead pixels. Which of the following would be the BEST way to resolve this issue? A. Match the default resolution B. Replace the monitor C. Use a different video input D. Upgrade the video driver E. Increase the monitor brightness

The Answer: Replace the monitor Dead pixels are usually permanent, so replacing the monitor would be the only available option for repair.

A company has experienced a significant increase in printing costs over the last few months. Which of the following would provide the best way to track and manage these costs? A. Audit logs B. Print spooler uptime C. Power usage monitor D. Packet captures

The Answers: A. Audit logs Audit logs can be used to provide detailed information about print jobs, number of pages printed, the usernames submitting the print jobs, and much more. Tracking printer resource usage can use logs from the user's operating systems or from the printer itself.

Which of the following would be MOST associated with an IoT device? ❍ A. Multithreading ❍ B. ARM ❍ C. Virtualization support ❍ D. ECC RAM

The Answers: B. ARM An ARM (Advanced RISC Machine) processor architecture provides efficient processing, less power, and less heat than other processor types. This efficiency makes ARM a common choice for mobile and IoT (Internet of Things) devices.

A user in the accounting department is connecting to their monitor using HDMI. The video appears normal, but the user does not hear any audio through the monitor's speakers. Which of the following would be the two MOST likely reasons for this audio issue? (Select TWO) ❍ A. Video output does not match the native resolution ❍ B. Audio controls are muted ❍ C. Not enough bandwidth for audio ❍ D. Internet connectivity is unavailable ❍ E. OS is not configured for HDMI audio output ❍ F. Display has a dead pixel

The Answers: B. Audio controls are muted, and E. OS is not configured for HDMI audio output If the audio controls are muted, then no audio will be heard on any output device. The muted controls may be on the monitor or the operating system, so both will need to be checked during the troubleshooting process. The operating system will also need to be configured with the correct audio output location, and in this example the audio output should be configured for the HDMI (High-Definition Multimedia Interface) link.

A network administrator is troubleshooting a network outage, and she believes the issue is related to a bad switch. The old switch is then replaced with a newer model and the cabling is moved to the new switch. Which of the following should be the NEXT troubleshooting steps? (Choose TWO) ❍ A. Test the theory ❍ B. Verify full system functionality ❍ C. Establish a plan of action ❍ D. Identify the problem ❍ E. Document the findings

The Answers: B. Verify full system functionality, and E. Document the findings Once the theory has been tested, a plan of action has been determined, and the plan has been implemented, it's important to verify that full system functionality has been restored. After all of this work, it's useful to document the problem, the proposed solutions, and the ultimate fix. This problem might occur again, and it would be useful to have documentation on the issue.

A company is building an ARM-based IoT device for the consumer market. Which of the following would be an advantage of using the ARM architecture for this product? (Choose TWO) A. Redundancy B. High speed networking C. Low power use D. NAS E. Load balancing F. Minimal heat

The Answers: C. Lower power use, and F. Minimal heat ARM (Advanced RISC [Reduced Instruction Set Computer] Machine) processors use a simplified instruction set for efficient processing using relatively minimal power and heat.

A help desk technician needs to use different Windows versions to study for an industry certification exam. The technician currently uses a Windows desktop computer with 4 GB of RAM and a 750 GB free on the hard drive. Which of the following would be the BEST way to perform this task? (Choose TWO) ❍ A. Install a second monitor ❍ B. Install an additional hard drive ❍ C. Create a Windows Recovery Environment boot drive ❍ D. Upgrade the system RAM ❍ E. Install Windows guest VMs

The Answers: D. Upgrade the system RAM, and E. Install Windows guest VMs The easiest way to use multiple operating systems on a single machine is to run them as virtual machines. Although 750 GB (Gigabytes) is plenty of storage space for multiple virtual machines, the 4 GB of RAM (Random Access Memory) on the host computer is too small to support multiple Windows operating systems at the same time. Once the memory upgrade is complete, it's a relatively easy process to install the guest virtual machines on the existing hard drive.

What port would be associated with RDP?

tcp/3389

What port would be associated with LDAP?

tcp/389

What port would be associated with HTTPS?

tcp/443

What port would be associated with IMAP?

tcp/143

What port would be associated with SSH?

tcp/22

What port would be associated with SNMP?

udp/161

What port would be associated with DNS?

udp53