Test Out Chapter 3 Comprehension Tests 1/2

You are in the process of configuring a new computer. The motherboard has four memory slots and supports dual-channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual-channel mode. What should you do to resolve the issue?

Move the modules to the correct motherboard slots.

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

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

Molex

Which type of USB 3.0 connector is shown here?

MicroUSB

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

Dual-channel memory systems only theoretically double memory bandwidth. What is the bandwidth increase in actual terms?

5-15%

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

Consider the memory modules shown in the image below.

A DDR DIMM B DDR3 DIMM C DDR4 DIMM D DDR2 DIMM E 200-pin SO-DIMM F 144-pin SO-DIMM G UniDIMM

Consider the external ports for a typical PC system (pictured below). Drag each port type on the left to the letter on the right that best identifies the port.

A HDMI, B Thunderbolt, C IEEE 1394, D USB, E VGA, F DVI, G RJ45, H RJ11, I Fiber S/PDIF, J Audio jack

A clicking noise in your computer has now evolved into a grinding noise. In addition, you are beginning to see frequent error messages while running software, and your computer occasionally freezes. What is the MOST likely cause of these issues?

A failing hard drive

When you turn on your workstation, you immediately hear a grinding noise coming from inside the computer case. Which of the following are the MOST likely causes of this noise?

An uneven case surface that causes fan blade and motor noise. Dust buildup that needs to be cleaned.

While running a graphics editing program on your Windows workstation, a screen suddenly pops up with an error message warning. You note the error message, but the only way to continue working is to reboot your system. What is this type of error screen called?

BSoD

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.

When booting your workstation, you hear a series of audible beeps, and the system locks up. What is the FIRST step you should take when troubleshooting this issue?

Check the motherboard documentation for POST errors.

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

Maintains an accurate system time and date, even when the power is off.

CMOS battery

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. Purchase additional modules that are the same as what is currently installed.

Facilitates communication between the processor, memory, and peripheral devices.

Chipset

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

DDR

Which of the following DDR memory types can be used by a triple-channel memory system? (Select two.)

DDR 3 and 4

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

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

Which of the following memory ratings identifies the fastest memory?

DDR4-1600

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

You are attempting to boot a new system. The boot fails, and the system sounds a beep code. Which of the following describes the MOST likely cause of this error?

Either no memory is installed or the memory was not detected.

You are in a carpeted office lighted by fluorescent bulbs. You are preparing to add memory modules to a user's computer. The user has already unpacked the memory modules and stacked them on top of an old, unused CRT monitor. What is the greatest threat to these memory modules in this environment?

Electrostatic discharge (ESD).

Memory is not properly seated, is missing, or the motherboard is defective.

First boot of a new computer

You are in the process of installing a new motherboard in your workstation. You have already installed the CPU, heat sink, and memory. You have inserted the I/O shield into the case, fastened the standoffs to the case, and attached the motherboard to the standoffs. You are now ready to complete the installation. What are the steps you need to take?

First, Connect the power and accessory cables. Second, Connect your drives to the SATA connectors. Third, Install additional devices in the expansion slots. Fourth, Connect the wires for the front/top panel ports. Last, Document the settings of the new motherboard.

Contains firmware that is used to configure motherboard settings and initialize devices.

Flash Memory

Your server runs in quadruple-channel memory mode. How many memory controllers are being used?

Four

Which type of software-generated problems can indicate that a software bug is causing a memory error? (Select three.)

General-protection fault, Page fault, Exception error

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

Greater resistance to interference

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

HDMI

Incompletely or improperly doing this can cause errors that appear to be memory-related.

Hardware installation or removal

Include components such as USB ports, audio jacks, and an ethernet port.

I/O connectors

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?

Immunity to EMI and Greater cable distances without a repeater

You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. Which of the following actions would MOST likely correct this issue?

Install a 64-bit version of the operating system.

Allow components such as LED lights and fans to be plugged in.

Internal connectors

After installing two memory modules, you power on the system to check for errors. You find that the BIOS program recognizes only one of the memory modules. Which of the following is BEST to try first when troubleshooting this issue?

Make sure that both modules are seated properly in their slots.

A customer needs to use several applications. Currently, the computer cannot keep all the necessary applications open at the same time. Which of the following components should you consider upgrading?

Memory

You have just built a new system from scratch. You turn the computer on, but the system boot fails and sounds a beep code. Which of the following is the MOST likely cause?

Memory is not installed or is not detected.

The memory is incompatible and was not installed and configured properly.

Memory upgrade

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.

You decided to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the internet that supports the processor that you want to use. When the motherboard arrives, you discover that the motherboard uses the Micro-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. Which steps must you take for the Micro-ATX motherboard to work in the ATX case?

No additional steps are necessary. You can install the Micro-ATX motherboard in the ATX case.

Which of the following are critical times when memory problems manifest themselves? (Select two.)

On the first boot of a new computer and after you remove or install hardware

Often called an expansion slots, they allow you to add cards to expand computer capabilities.

PCI Slots

Which pin on the power supply connector connects to the power good wire on the motherboard in order to indicate an appropriate action for the motherboard if the power disappears, quickly reappears, or does not appear at all?

Pin 8

A fiber optic cable consists of four basic components. What are they in order from outermost to innermost?

Plastic Sheath, Cladding, Protective Layer, Central Core

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

While performing data entry on your Windows 11 laptop, your screen suddenly goes black. What can you do immediately to troubleshoot the issue without losing any data that you have entered?

Press the Windows key + P four times

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

Two of the mounting screws are missing from the system hard disk drive. The system uses memory modules from several different manufacturers with mismatched capacities. Several capacitors on the motherboard are bulging and have a brown liquid oozing from them. The chassis fan on the front of the case is oriented to blow air into the system. What should you do?

Replace the motherboard.

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

SCSI

When playing videos games or watching movies on your workstation, the screen sometimes freezes and displays strange colors. You suspect that your video card is causing the issues. What is the BEST solution to resolve your display issues?

Replace the video card.

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

SAS

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

SATA

After arriving at work, you turn on your computer to begin your day. Instantly, you see smoke and smell a strange odor coming from the computer. Which of the following would be the MOST important action to take first?

Shut off the system immediately.

Which of the following statements is true regarding single- and double-sided memory?

Single-sided memory uses half the number of memory modules as double-sided memory of the same capacity.

This event can require more memory and can cause problems if there is not enough memory when it occurs.

Software installation

You are in the process of installing a motherboard in a system case. Which of the following objects should you place between the motherboard and the system case?

Standoffs

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 have just finished replacing the motherboard in your friend Ethan's computer with the same type of motherboard that the computer had originally. You tested the motherboard by powering it on and by verifying that the operating system started and that the applications work. Now Ethan is complaining that his computer no longer recognizes his external hard drive, which he had connected to the previous motherboard. Which of the following is MOST likely causing the external hard drive not to function?

The USB front panel connector was not properly connected.

Which of the following BEST describes the purpose of the north bridge chipset?

The chip that controls the PCI bus.

When you try to boot your computer, it hangs after POST. When you access the UEFI setup program, you see that the date is several years behind, and the time is set to 12:01 a.m. Which of the following is the MOST likely cause of this behavior?

The motherboard battery has failed.

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).

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

You work as the IT administrator for a small corporate network. One of the company employees needs to add an additional PCI card to the motherboard. When you open the computer, you see that the card that you purchased does not fit due to the card's height. Which of the following is the BEST method for using the newly purchased card?

Use a riser card to allow the new card to be installed parallel to the motherboard.

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.

After installing a new RAM module, you boot your 64-bit system, but the display remains blank. What is the MOST likely cause of this issue?

You have installed a non-parity RAM on an ECC system.

Which of the following are the MOST likely signs that your computer might need more memory? (Select two.)

Your hard drive is constantly operating as you work. Your hard drive light on the system case is on for long periods of time.