Practice Quiz

Which of the following BEST describes the print queue? -A location on the hard disk that holds print jobs that are waiting to be processed. -The software that allows the printer to communicate with the print device. -A process that manages the flow of print requests for how and when documents are sent to the printer. -The service that captures print jobs from an application, holds them in a queue, and then sends each job to the print device.

-A location on the hard disk that holds print jobs that are waiting to be processed.

Which of the following actions does an ATX power supply perform? (Select two.) Protects against power spikes. Supplies backup power. Provides 110 volts to internal components. Aids in thermal management. Converts AC to DC.

-Aids in thermal management -Converts AC to DC

Which of the following functions are performed by proxy servers? (Select two.) -Block unwanted packets from entering your private network. -Cache web pages. -Store client files. -Block employees from accessing certain websites. -Filter unwanted email.

-Block employees from accessing certain websites. -Cache web pages.

While trying to start your Windows 11 system, you see the following error message: Could not read from the selected boot disk. Check boot path and disk hardware. Which of the following will MOST likely fix the problem? -Boot into the recovery console and copy the NTLDR file to the boot volume. -Boot into the recovery console and run the bootcfg /rebuild command. -Boot into Safe Mode and restore to a restore point. -Boot into the recovery console and run the fixmbr command on the boot volume. -Boot into the recovery environment and run the bootrec /rebuildbcd command.

-Boot into the recovery environment and run the bootrec /rebuildbcd command.

As an IT technician for your company, you have been notified that the Windows domain does not seem to be functioning properly. Being familiar with domains, you are fairly confident you know what the issue is. But just to be safe, you take the applicable time to gather additional information and to identify what, if anything, has changed. Which of the following is the BEST next step? -Create a hypothesis. -Identify what has changed. -Determine the appropriate fix. -Gather information. -Implement the fix.

-Create a hypothesis.

A user reports that she can't send print jobs to a specific printer. You are able to reproduce the problem on the user's computer. Which of the following actions should you perform next? -Establish a plan of action. -Establish the most probable cause. -Determine if escalation is necessary. -Determine whether anything has changed.

-Determine whether anything has changed.

You need to replace the power supply in your home desktop computer. Which of the following specifications are the MOST likely to affect your power supply choice? (Select three.) -An on/off power switch -Form factor -Output wattage -Output voltage selections -Input voltage selections -A fan that cools the unit -Type and number of connectors

-Form factor -Output wattage -Type and number of connectors

Which of the following statements about Dynamic Host Configuration Protocol (DHCP) are true? (Select two.) -It can deliver a DNS server address in addition to the host IP address. -The DHCP server detects workstations when they attach to the network and automatically delivers IP addressing information to them. -A workstation must request addressing information from a DHCP server. -It cannot be configured to assign the same IP address to the same host each time it boots. -It can only deliver IP addresses to hosts.

-It can deliver a DNS server address in addition to the host IP address. -A workstation must request addressing information from a DHCP server.

What does the term cloud mean when referring to cloud computing? -It is the name of an operating system that anyone can use to design, build, and provide cloud services. -It is a metaphor for a data storage service with an ever-growing capacity, like storm clouds. -It refers to the virtual hardware that cloud computing is built on. -It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network.

-It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network.

What are the benefits of installing integration services (IS) on a Hyper-V Windows virtual machine? (Select two.) -Lets you cut and paste between the virtual machine and host. -Lets you increase the amount of RAM used by the virtual machine. -Makes it possible to decrease the virtual machine storage space. -Lets you select a NIC if you have configured an external virtual network. -Dramatically improves performance by installing Hyper-V aware drivers.

-Lets you cut and paste between the virtual machine and host. -Dramatically improves performance by installing Hyper-V aware drivers.

What are the benefits of installing integration services (IS) on a Hyper-V Windows virtual machine? (Select two.) -Lets you increase the amount of RAM used by the virtual machine. -Makes it possible to decrease the virtual machine storage space. -Lets you cut and paste between the virtual machine and host. -Lets you select a NIC if you have configured an external virtual network. -Dramatically improves performance by installing Hyper-V aware drivers.

-Lets you cut and paste between the virtual machine and host. -Dramatically improves performance by installing Hyper-V aware drivers.

Which of the following technologies does the 802.11ac wireless networking standard use to provide increased bandwidth and communication speeds? (Select two.) -Peer-to-peer mode to allow each host to communicate directly with other hosts. -MU-MIMO to allow multiple users to access the same channel. -OFDM modulation to allow several parallel data channels to stream data. -Channel bonding to combine more channels in the 5 GHz band to allow more than double the bandwidth. -Dual-band transmission to allow data to be transmitted at two frequencies at the same time.

-MU-MIMO to allow multiple users to access the same channel. -Channel bonding to combine more channels in the 5GHz band to allow more than double the bandwidth.

Several of your employees are experiencing limited connectivity issues when trying to access some websites on the internet from their workstations. However, they can access the local company network without any problems. You have already tried using the ip and ipconfig commands to determine that the websites can be reached and that the IP information on the workstations is configured properly. You know that the connection to your internet service provider is working properly as well. What should you do next? -Check for port flapping on the network switch. -Make sure that the DNS server is functioning properly. -Verify that the workstations' DNS server information is correct. -Replace the workstations' network cables.

-Make sure that the DNS server is functioning properly.

A technician is tasked with adding a valid certificate to a mobile device so that encrypted emails can be opened. Which of the following email protocols is best for the technician to use? IMEI S/MIME IMAP POP3

-S/MIME

Which of the following items of information does a packet header contain? (Select three.) Sender SYN data Data chunk order TFTP data ACK data Receiver How to deliver the packet

-Sender -Data Chunk Order -Reciever

Which of the following actions occur during the Pre-EFI Initialization (PEI) stage of the UEFI boot process? (Select two.) -The CPU and chipset are verified and fully initialized. -Device drivers are loaded into memory. -Power is supplied to the CPU. -The EFI boot manager initializes. -System memory is initialized, verified, and allocated.

-The CPU and chipset are verified and fully initialized. -System memory is initialized, verified, and allocated.

Which of the following are advantages of using an OEM replacement LCD display? (Select two.) -The OEM LCD part is better quality than a non-OEM part. -The LCD display is guaranteed to work as a replacement. -The LCD display is the same quality as the screen you are replacing. -The price of the LCD display replacement is equal to non-OEM parts. -OEM parts are designed to be used as generic replacement parts.

-The LCD display is the same quality as the screen you are replacing. -The LCD display is guaranteed to work as a replacement.

Your laptop's LCD screen is beginning to flicker and dim. You have checked the brightness setting to make sure that it is configured correctly. Which of the following is the MOST likely cause of your screen issue? -The video ribbon cable to the screen is disconnected. -The system is configured to use an external display port. -The LCD screen inverter is failing. -The LCD screen is failing.

-The LCD screen inverter is failing.

Which of the following factors significantly determine the number of virtual machines that a host can accommodate? (Select two.) -The components installed on host machine. -The VHD file you want to use. -Installation of integration services (IS) on the virtual machine. -The number of software applications installed on the host machine. -What has been allocated by the network manager

-The components installed on host machine. -What has been allocated by the network manager

Which of the following BEST describes the Raster Image Process (RIP) for a document in a laser printer? -The document is transferred to the charged paper from a drum holding the toner image. -The document is formed by the toner being attracted to the imaging drum where the laser wrote the image. -The document is divided into horizontal lines of organized dots. -The document is formed by causing a neutralized electrical charge where the laser light has written.

-The document is divided into horizontal lines of organized dots.

For several years, your laptop's monitor has worked perfectly. However, shortly after turning on your laptop today, you notice that the dimness has increased on the screen. Which of the following is the MOST likely cause? (Select two.) -The monitor's hertz rate is set too high. -The monitor's resolution was automatically reset to the default settings. -The brightness level was automatically reset to the default settings. -The power adapter was accidently unplugged. -The monitor's inverter has gone bad.

-The power adapter was accidently unplugged. -The monitor's inverter has gone bad.

You have a desktop computer that provides a 250-watt power supply. You recently added a four-disk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely solve this issue? -Use the switch on the power supply to switch from 115 VAC to 230 VAC. -Upgrade to smaller capacity hard drives. -Upgrade to a power supply that provides more watts. -Upgrade to a power supply that provides more volts.

-Upgrade to a power supply that provides more watts.

Annette has purchased a new external DVD drive to use with her PC. She inserts a DVD into the drive and, after several seconds, she receives an error message indicating that the drive is not accessible. What is the FIRST thing Annette should do to try to resolve the issue? -Wait a few seconds and try accessing the DVD again. -Eject the DVD from the drive and then re-insert the DVD. -Unplug the drive from the PC and then plug the drive back in again. -Check Device Manager to make sure that the DVD drive is listed.

-Wait a few seconds and try accessing the DVD again.

How do switches and bridges learn where devices are located on a network? -When a data packet enters a port, the source IP address is copied from the data packet header. -When a data packet enters a port, the destination IP address is copied from the data packet header. -When a data packet enters a port, the destination MAC address is copied from the data packet header. -When a data packet enters a port, the source MAC address is copied from the data packet header.

-When a data packet enters a port, the source MAC address is copied from the data packet header.

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.) OEM Wi-Fi antenna wires Inverter Webcam OLED Microphone Incorrect answer: Touchscreen digitizer

-Wi-Fi antenna wires -Webcam -Microphone

You have decided to use BitLocker as your whole disk encryption solution for the hard drive on your laptop. The laptop includes a TPM chip. What happens if you store the startup key required to unlock the hard drive in the TPM chip? -You can boot the hard drive from another computer without providing the startup key. -You can boot the hard drive without providing the startup key. -You are prompted to provide the startup key before booting the hard drive. -You are prompted to insert a USB drive with the startup key.

-You can boot the hard drive without providing the startup key.

You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes should you choose for the laptop? 5.25" 2.5" 3.5" 1.25"

2.5"

Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz? 802.11n 802.11b 802.11g 802.11a

802.11a

A customer is experiencing a sporadic interruption of their Wi-Fi network in one area of their building. A technician investigates and discovers signal interference caused by a microwave oven. The customer approves replacing the wireless access point that covers the area, but asks that the wireless speed also be increased. Which of the following Wi-Fi standards should the replacement device support to BEST fulfill the customer's needs? 802.11g 802.11ac 802.11a 802.11b

802.11ac

You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend? 802.11b 802.11a 802.11g 802.11ac

802.11g

What is a disadvantage of using a DVD-R DL (Dual Layer) disc over an ordinary DVD? A DVD-R DL is not backwards-compatible with a regular DVD player. A DVD-R DL has to skip across the disc to find the next track. A DVD-R DL has slower write speeds. A DVD-R DL stores less data.

A DVD-R DL has slower write speeds

The contrast on your projector's output is not displaying properly. In addition, the images continually flicker. What is the MOST likely cause of the projector's display problems? An outdated projector driver is in operation. A bulb is close to burning out. The high-definition files are not in sync with the audio files. The wrong cable is connected to the HDMI port.

A bulb is close to burning out.

You work as the IT administrator for a small corporate network. Sam, an employee in the support department, wants to run a virtual machine on his computer for troubleshooting customer issues, and he needs a very stable computer from which to work. You need to decide whether to install buffered or non-buffered RAM in his computer. Which of the following BEST describes the reason to choose buffered instead of unbuffered memory for this new computer? -Buffered memory increases the load on the memory controller, but is faster and more stable. -Buffered memory reduces the load on the memory controller and allows the system to be more stable. -Buffered memory reduces the load on the memory controller, but due to the extra clock cycle, is less stable. -Buffered memory is faster and less expensive.

Buffered memory reduces the load on the memory controller and allows the system to be more stable.

You have been tasked with designing a workstation to run over 20 applications virtually that all use the same operating system. You want to: -Minimize the amount of space required for each virtual application. -Make sure each application starts quickly (within a few seconds). What virtualization type will BEST meet your application computing requirements? Container virtualization Type 1 hypervisor Type 2 hypervisor Virtual desktop interface (VDI)

Container Virtualization

You are troubleshooting a company cell phone that is overheating. Which of the following is the FIRST action you should take to resolve the issue? Update the operating system. Close all applications. Determine whether the battery is warped or swollen. Determine whether the user has been streaming data.

Determine whether the battery is warped or swollen.

The PCI sound card in your computer has stopped working. You decide to use the motherboard's integrated sound until you can replace the PCI sound card. After removing the PCI sound card and powering on the computer, you have no sound, and the built-in sound card does not show up in Device Manager. Which of the following is the BEST action to try first to resolve this issue? Enable the sound card in Device Manager. Edit the CMOS settings and enable the onboard sound. Update the device's drivers. Update the necessary audio codecs.

Edit the CMOS settings and enable the onboard sound.

Which of the following is a valid IPv6 address? FEC0:9087:AB04:9900:7GA2:7788:CEDF:349A 199.12.254.11 FEC0:AB98::A7::9845:4567 FEC0::AB:9007 FEC0:AB04:899A

FEC0::AB:9007

You want to allow your users to download files from a server running the IP protocol. You also want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide this capability? LDAP SMTP TFTP SNMP FTP SSH

FTP

What is another name for virtual machines? Guest operating systems Sandbox Hypervisors Host machines

Guest operating systems

Which of the following video card connectors provides digital video output? (Select two.) DVI-D Composite HDMI DVI-A S-video

HDMI DVI-D

While you are answering help desk calls, a field customer calls and complains that he cannot print to a workgroup laser printer. Which of the following should be the first question you ask? Have you ever successfully printed to that printer? Have you rebooted the printer? Have you checked the cables? Have you rebooted and chosen safe mode?

Have you ever successfully printed to that printer?

You notice that your applications are loading and running slowly when you switch between them. You also notice that your hard disk drive light is constantly lit. Which of the following is the BEST option to stop this problem from happening frequently on your system? Install more physical RAM. Configure a larger paging file on the HHD. Install a larger CPU. Reboot the system at the first indication of the problem.

Install more physical RAM.

Upon reviewing the specifications for a motherboard, you find that the motherboard uses a 1155 CPU socket. Which of the following manufacturers' CPUs can you use for this motherboard? AMD Cyrix IBM Intel

Intel

Which of the following battery types is the MOST expensive? Nickel Metal Hydride (NiMH) Lead-Acid Lithium Ion (Li-Ion) Nickel Cadmium (NiCad)

Lithium Ion (Li-Ion)

You are a system administrator for a financial institution. Most of your employees work at home and have various work environments. One of your account managers is complaining that customer data is disappearing from her account management application. She insists that she saves data regularly and has not had a problem until recently. Her workstation has both a solid-state drive (SSD) and a traditional hard drive. She runs the application from the SSD drive, but stores the customer data on the hard drive. She has recently moved her desk to a room in her house that is used for entertainment. The room has a sound system with several installed speakers for surround sound. Which of the following types of interference might be causing the issue with disappearing customer data? Radio frequency interference (RFI) Negative pressure HVAC system Magnetic fields Electromagnetic interference (EMI)

Magnetic fields

A sales person requires that a large number of document, data, presentation, image, and video files be accessible on their personal mobile device when making sales pitches to new customers. A cloud solution is not feasible since cellular and internet connections are not always guaranteed at a customer site. Which of the following accessories would a technician suggest to BEST meet the sales person's requirements? Credit card reader Wireless hotspot Micro SD card Docking station

Micro SD card

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards? BTX ATX Micro-ATX NLX

NLX

A computer that is being used by the HR department needs to ensure that all of the data on that computer is protected from a single hard disk failure. The data needs to be read as quickly as possible, and the HR department would like to maximize drive use as much as possible. This computer can use up to three hard drives. Which of the following RAID types would meet these requirements and provide the BEST data protection? RAID 0 RAID 1 RAID 5 RAID 10

RAID 5

While using the touchpad on a laptop computer, you notice that the mouse is not responding very well, making it difficult to move the mouse around the screen. Which of the following actions would MOST likely fix this problem? Replace the touchpad. Use a stylus on the touchpad. Recalibrate the touchpad. Clean your fingers and try again.

Recalibrate the touchpad.

You want to create a virtual machine environment in which you can develop and test new software. Which virtualization benefit BEST describes the testing environment that you want to implement? Hypervisor Cross-platform virtualization Hardware virtualization Sandbox

Sandbox

After receiving several complaints from the employees in your company about a laser printer, you start the troubleshooting process. After printing out a few pages, you conclude that the most probable cause is a dirty drum. Which of the following is the MOST logical reason for this conclusion? Ghost images on the page A blank page Garbage characters on the page Speckles at regular intervals on the page

Speckles at regular intervals on the page

You work at a computer repair store. You have just upgraded the processor (CPU) in a customer's Windows-based computer. The customer purchased the latest AMD Ryzen processor, and you installed it in the computer. But when you power the computer on, you only see a blank screen. Which of the following is MOST likely causing the computer to display the blank screen? (Select two.) The heat sink and fan were not installed correctly. The power connector for the fan was not connected to the motherboard. The CPU is not supported by the BIOS. The CPU is bad. Someone unplugged the computer without performing a proper shutdown first.

The CPU is not supported by the BIOS. The CPU is bad.

While presenting a high-definition video through a projector, you find that the audio is not in sync with the video. What is the MOST likely cause of this issue? The audio file is being processed faster than the video file. An LCD panel is dirty or damaged. A VGA cable is being used to connect the computer to the projector. The bulb is close to burning out.

The audio file is being processed faster than the video file.

Which of the following is an inherent vulnerability of embedded devices? Known environments Open systems Vulnerable to malware Unknown environments

Unknown environments

You have just installed a new CPU in your workstation along with a CPU heat sink and fan. Which of the following should you do next as a best practice? Ensure that the CPU and motherboard socket type match. Verify that the motherboard supports the processor speed. Update the BIOS after installing the processor. Connect the fan's power supply.

Update the BIOS after installing the processor.

While changing the toner cartridge in your laser printer, you accidently spill toner in and around the printer. Which of the following is the BEST method for cleaning up the spilled toner? -Wipe up most of the toner using a warm, wet cloth and then vacuum. -Use a household vacuum. -Use an anti-static micro-filtering vacuum. -Scoop up large portions and then use a static cloth to wipe up the remaining toner.

Use an anti-static micro-filtering vacuum.

Aubrey, an employee in the marketing department, has told you that when she prints to her laser printer, faint ghost-like images are being printed on her new page. As an IT administrator, you check with other employees who use the same printer and find that they are not experiencing the same problem. Which of the following would be the BEST fix for this issue? -Use 99% isopropyl alcohol and a soft cloth to gently clean the imaging drum. -Remove the toner cartridge and gently shake it to equally distribute the image toner. -Replace the imaging drum, as it is probably at end of life. -Use pre-printed paper that has been printed with laser-compatible print toner.

Use pre-printed paper that has been printed with laser-compatible print toner.

Which of the following is simulated memory that is created through a paging file on the hard drive? VMM Disk thrashing Virtual memory RAM

Virtual memory

How do switches and bridges learn where devices are located on a network? -When a data packet enters a port, the destination IP address is copied from the data packet header. -When a data packet enters a port, the source IP address is copied from the data packet header. -When a data packet enters a port, the destination MAC address is copied from the data packet header. -When a data packet enters a port, the source MAC address is copied from the data packet header.

When a data packet enters a port, the source MAC address is copied from the data packet header.

You are trying to push a memory module into a memory slot, but it is not seating properly. What is the MOST likely issue? -You are trying to install the memory module backwards in the memory slot. -You need to clear debris from the memory slot. -You are trying to install a single-sided memory module in a double-sided slot. -You need to push down the slot tabs and move them back.

You are trying to install the memory module backwards in the memory slot

Which type of resource offers the following advantages? -Flexibility of access -Ease of use -Self-service resource provisioning -API availability -Service metering -Ability to try out software applications

cloud