A+ Domain 3 Hardware

144-pin SO-DIMM

144-pin SO-DIMM

200-pin SO-DIMM

200-pin SO-DIMM

You have an older computer that has four DDR2 memory slots. Currently, there are two 512-MB memory modules installed. You check the motherboard documentation and find that the system has a 4-GB memory limitation. You want to add more memory to this system. What is the maximum total amount of usable RAM you can have in this system by adding new memory modules (and without replacing the existing memory modules)?

3 GB

Which of the following BEST describes the theoretical capacity of a DDR4 standard system memory module?

512 GB

You want to build a new system that supports 16 GB of memory. Which of the following is the MOST important consideration when building the computer?

64-bit processor

You are installing a new SATA hard drive in your Windows workstation. Which of the following connectors should you use to connect your hard drive to the motherboard?

7-pin connector

Which configuration change could you make to the paging file to BEST increase system performance given that this Windows 11 system has 16 GB of system RAM and three hard disks installed?

Add paging files to the E: and F: volumes.

Which type of RAM might slow system performance because it holds memory addresses and data to improve stability on systems with more than 1 GB of RAM before being transferred to the memory controller?

Buffered

You are purchasing a computer for a new administrative assistant in your company. Administrative assistants primarily uses word processing, spreadsheets, presentation software, and a web browser to complete their job assignments. Which of the following BEST describes the reason to choose unbuffered instead of buffered memory for this new computer?

Buffered memory is more expensive and slower than unbuffered memory.

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

With a memory module read request, there is a delay between the time of the data request and the time the data is available for output from the memory module. What is this delay called?

CAS latency

You have an existing system that has a single DDR3 memory module installed. You would like to add more memory to the three remaining empty memory slots. Which of the following steps should you take to make sure that you get the right memory for the system? (Select two.)

Check the motherboard documentation to find which modules are supported and Purchase additional modules that are the same as what is currently installed.

A technician is replacing a cable modem. The cabling from the cable company has an inner solid wire conductor and an outer mesh conductor separated by PVC plastic insulation. Which of the following network cable types is being used?

Coaxial cable

You want to improve the performance of your virtual memory in Windows. Which of the following is a step you can take to do this?

Configure the paging file to be divided between two drives.

As a network engineer, you have been creating patch (straight-through) cables for a network switch. You have plugged in all the cables and are testing data transmission through the cables. You notice that the data transmission is not functioning properly in some of the cables, and you are sure that one of the cables is interfering with the transmission at the near end. What is this type of interference called?

Cross-talk interference

While sorting through a box of cables in your storage room, you find one that matches the configuration shown in the image. Which of the following BEST describes the type of cable configuration and the purpose for which it would be used?

Crossover cable configuration used to connect computers directly to one another for networking.

You are providing telephone support for a user who is trying to connect a computer to a projector. You know that the projector only has a VGA port. How would you describe the connector that the user should look for?

D-shaped with 15 pins

Your motherboard has sockets for 184-pin DIMM RAM. Which type of RAM should you install?

DDR

DDR DIMM

DDR DIMM

DDR2 DIMM

DDR2 DIMM

DDR3 DIMM

DDR3 DIMM

What are the advantages of DDR3 over DDR2, assuming the same operating frequency? (Select two.)

DDR3 doubles the data transfer rate of DDR2 and DDR3 uses less power than DDR2.

Which memory rating identifies the fastest memory?

DDR3-2000

DDR4 DIMM

DDR4 DIMM

What are the advantages of DDR4 over DDR3, assuming the same operating frequency? (Select two.)

DDR4 doubles the data transfer rate of DDR3 and DDR4 uses less power than DDR3.

Which of the following memory ratings identifies the fastest memory?

DDR4-1600

Which of the following is a term used to identify memory modules?

DIMM

You are helping a customer over the phone. The customer needs to connect a monitor that uses a digital interface. Which port should you instruct them to look for on the back of the PC?

DVI

Which of the following video card connectors provides digital video output? (Select two.)

DVI-D and HDMI

The manager of the research and development team needs to make a PowerPoint presentation for her team members (with no audio). Her presentation requires her computer to be connected to a large high-definition television. You have been asked to ensure that the computer is connected and functioning properly prior to her presentation. In the process of setting up the computer, you find that the computer's video port (see image 1) is different from the port found on the TV (see image 2). Which of the following adapters MUST you use to connect the computer to the TV?

DVI-to-HDMI

You are trying to quickly determine if a memory card is ECC-enabled by visually inspecting the card. What can you do to find out if the card is ECC-enabled?

Determine if the number of memory chips is divisible by 3 or 5.

You want to connect your workstation to a large, high-definition screen that is over 30 feet away from the workstation for displaying a video presentation with sound. Which of the following ports will BEST support the transmission distance between the workstation and the display before the signal starts degrading?

DisplayPort

You have purchased a new LED monitor for your computer. On the back of the monitor, you see the following port (pictured below). Which type of cable should you use to connect the monitor to your computer?

DisplayPort cable

Which of the following BEST describes a key feature of the DisplayPort interface that is used for connecting video monitors to computers?

DisplayPort can send both video and audio signals over the same cable.

What is the recommended size of the paging file under normal circumstances on a Windows 11 system with 16 GB of RAM installed?

Equal to the amount of physical RAM.

You recently purchased a digital HD antenna to connect to your television. Which of the following is the type of coaxial cable connector you need to make the connection?

F-type

Which network type uses light pulses to transmit data?

Fiber optic

What is a major benefit STP provides that UTP does not?

Greater resistance to interference

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should you connect to pin 1?

Green with white

The CEO of your small company has asked you to connect his laptop computer to the small conference room LED TV. The CEO will be showing a new promotional video that demonstrates the new company strategy through images and sound. Which of the following cable types would work BEST for connecting his laptop to the display?

HDMI

An older technology where the cable connects to the motherboard and two devices.

IDE

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select two.)

Immunity to EMI and Greater cable distances without a repeater

Which of the following are characteristics of a coaxial network cable? (Select two.)

It uses two concentric metallic conductors and It has a conductor made from copper in the center.

A technician must press a cable connector's locking tab to remove a faulty fiber optic network cable. The cable connector is designed with two connector ends. Which of the following fiber connector types is the cable using?

LC

LC connector

LC connector

You have just received an order for various system components that you placed several weeks ago. One of the components is labeled as SO-DIMM memory. Which of the following was this memory MOST likely purchased for?

Laptop computers

A landscaping company's employees receive payment for their services using a credit card reader that physically attaches to an Apple mobile device. Which of the following connection types is being used?

Lightning

MT-RJ connector

MT-RJ connector

You want to upgrade all the memory in your system with the fastest memory available. Which of the following should you choose?

Memory that is supported by your motherboard.

Which type of USB 3.0 connector is shown here?

MicroUSB

A common type of connector used to power internal computer components.

Molex

You have an IDE hard drive that is powered by a Molex 8981 connector. From the illustration below, select the Molex connector that is being used.

Molex 8981 connector

Which of the following is the most common method for removing RAM from a motherboard?

Move the tabs holding the RAM out of the way; then pull straight up to remove the RAM.

Data transfers through the core using more than one light ray. Cable lengths are limited in distance.

Multi-mode

Paul has just joined your company as a sales rep in the sales department. He is in the process of purchasing a laptop computer for work use. You have heard that some types of RAM are better than others. Which of the following types of RAM would BEST meet the needs of Paul's new computer?

Non-ECC memory, as it is less expensive and parity is not required.

You have been having trouble with your laptop crashing. You would like your computer to create a memory dump file when it crashes. Where should you place the paging file?

On the system volume

Which of the following is the generally accepted rule for manually setting the initial and maximum paging file size?

One and a half times the size of the physical RAM for the initial size and three times for the maximum size.

A technician connects two network switches using a twisted-pair crossover cable. Which of the following identifies the wiring standard required on each end of the crossover cable?

One end must be T568A, and the other must be T568B.

An employee has sustained damage to the tendons and ligaments in his wrist and forearm due to the pronation caused by typing on his straight keyboard. His doctor has recommended that he use an ergonomic keyboard to allow his body to heal. After purchasing the new ergonomic keyboard, you find that this employee's computer only has a round, purple keyboard port (see image 1), which does not match the new keyboard's connector type (see image 2). Which of the following adapters MUST you use to connect the new keyboard to the old legacy computer port?

PS/2-to-USB

You are connecting an older dot matrix printer to a computer. The printer's cable is a D-shaped connector with 25 pins (pictured below). Which port type does the printer connect to?

Parallel port

While sorting through a box of cables in your storage room, you find one that matches the configuration shown in the image. Which of the following BEST describes the type of cable configuration and the purpose for which it would be used?

Patch (or straight-though) cable configuration used to connect computers to network devices, such as switches and hubs.

You are installing network cabling in the air space between the ceiling and the roof of a building. The cabling needs to be fire resistant. Which type of cabling should you use?

Plenum

A technician is running a network above a dropped ceiling that is also used for ventilation. The cable must be twisted pair and must be capable of Gigabit Ethernet speeds. Which of the following cables should the technician use?

Plenum-rated Cat 6a

A technician is installing a cable modem that supplies internet connectivity for a home office. Which of the following cabling types would they use to connect the cable modem to the wall outlet?

RG-6

You need to connect the satellite television signal to your HD 4K flat screen TV using a coaxial cable. Which of the following is the BEST type of coaxial cable to use?

RG-6

Which kind of connector do you use to connect a modem to a standard telephone line?

RJ-11

Which connector is used with unshielded twisted-pair (UTP) cabling?

RJ-45

You have recently been called to troubleshoot network connectivity problems at a user's workstation. You found that the network cable runs across high-traffic areas on the floor, causing the cable to wear through and break. You have replaced the cable with a plenum-rated and shielded twisted-pair cable. You would like to minimize the problem and prevent it from happening again. Which of the following will BEST protect the cable from further damage?

Run the cable through the ceiling area instead of across the floor.

A point-to-point interface typically found in enterprise-level storage systems, like RAID and tape drives.

SAS

SAS

SAS

Frequently used in modern computers to connect hard drives to the motherboard.

SATA

SC connector

SC connector

SCSI

SCSI

Usually found only in high-end servers, mainframe computers, and RAID storage devices.

SCSI

ST connector

ST connector

The core diameter is around 10 microns. Cable lengths can extend a great distance.

Single-mode

You are looking at a TRS connector on a computer. Which device MOST likely uses this connector?

Speaker

Susan works in the research and development department. She recently purchased a large high-speed external drive and has attached the drive to her computer using a USB cable. Her drive requires a minimum data transfer speed of 5 Gbps and needs to have access to 600 mA/15 volts of USB power to function properly. Although the correct drivers are installed, when she plugs her drive into her workstation, the drive is not working. To troubleshoot the problem, she has connected her drive to her coworker's computer, where the drive functions properly. No additional cables are required for this drive. Which of the following is the MOST likely reason that Susan's external hard drive is not working?

Susan has connected her drive to a USB 2.0 port, which does not have the required data transfer speed.

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following devices MOST likely use a microUSB connector? (Select two.)

Tablets and Smartphones

Your company has just upgraded your laptop computer. After receiving your new computer, you plug your external USB 2.0 hard disk into your new USB 3.0 port. Which of the following is the MOST accurate statement regarding how this device will function?

The device will work, but will only transfer at USB 2.0 speeds.

What happens in Windows when physical RAM is being used to its full capacity and a user runs a new application?

The kernel moves the data from an app not currently being accessed from RAM to a paging file.

Which aspects of virtual memory can you configure on a Windows workstation? (Select two.)

The paging file's location and The paging file's maximum size

Which of the following situations is MOST likely to justify an investment in a Cat 6a cable instead of a Cat 6 cable?

The work area has a lot of electromagnetic interference (EMI).

USB 2.0 Type-B

USB 2.0 Type-B

USB 3.0 Micro-B

USB 3.0 Micro-B

A laptop that you previously purchased was shipped with SO-DIMM memory to accommodate the laptop's form factor. You would now like to upgrade the memory. Which of the following is an upgrade to the SO-DIMM standard?

UniDIMM

UniDIMM

UniDIMM

Which of the following is another name for the paging file?

Virtual memory

Which of the following is simulated memory that is created through a paging file on the hard drive?

Virtual memory

You have just upgraded the memory in one of your network servers by adding two 4-GB ECC memory cards. Before purchasing the new memory, you made sure that the modules fit in the memory slots (packaging) and the speed (memory frequency) was supported by the memory controller. What did you forget to check that would significantly impact the memory checking of your new ECC memory cards?

Whether or not the existing memory modules support ECC.

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.

Joseph has started using virtual machines (VMs) to help his software development process. As the number of VMs has increased, Joseph has noticed that his hard drive is almost full. He would like you to buy and connect an external hard drive where additional VMs can be stored. When the drive arrives, you find it has the type of connector shown in the image below. Which type of connector is on the external hard drive

eSATA

eSATA

eSATA

You want a storage device that has the ability to: Integrate data and device power into a single cable. Use a connector and port that is neither L-shaped nor rectangular. Which of the following SATA devices is the BEST for these conditions?

eSATAp

iSCSI

iSCSI

Which of the following external hard drive cable connectors are hot-pluggable?

iSCSI and SAS

microUSB

microUSB

miniUSB

miniUSB

You have just purchased a USB 3.2 cable for an external hard drive. Which of the following logos on the cable connector indicates that this is a USB 3.2 cable? (Select one.)

ss usb

You have just purchased a smartphone with a USB Type-C cable connector for charging your phone. Which of the following is a USB Type-C connector?

usb Type-C cable