Hardware review

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

Which of the following BEST describes the purpose of a CPU socket?

A CPU socket is a single connector between a microprocessor and the motherboard.

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

The hard drive (HDD) you are installing in a PC is the boot drive with the operating system on it. You want to make sure that the BIOS recognizes this HDD as the boot drive without the need to configure it as the boot drive in BIOS. Which of the following should you do to make sure the HDD is recognized as the boot drive automatically?

Connect the HDD to the lowest numbered SATA connector on the motherboard.

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

DDR

Which of the following memory ratings identifies the fastest memory?

DDR4-1600

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

Four

You have a computer with a dual-core 64-bit processor that uses the x86-x64 instruction set. You want to install the 32-bit application on the computer.

Install the application normally.

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?

Intel

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

Which of the following is a characteristic of a multi-processor system?

Multiple processor sockets on the motherboard.

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.

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

The processor you have just purchased has a series of pins in an array on the underside of the processor package. You notice that the pins insert into corresponding receptacles within the processor socket on the motherboard. Which type of socket is this processor configured to use?

Pin grid array (PGA)

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

Jason has installed a new hard drive (HDD) in his Windows PC workstation. He wants to use it to store multimedia files for his private video editing business. After installing the HDD in the PC case, he boots the PC in to the BIOS and verifies that the HDD is recognized by the system. When he tries to save files to the new HDD, he receives an error message. What is the MOST likely reason that Jason cannot save data to his new HDD?

The HDD needs to be partitioned and formatted with a file system.

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 is the biggest advantage of 64-bit processors over 32-bit processors?

The ability to use over 4 GB of memory.

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

The chip that controls the PCI bus.

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 have overclocked the processor on your workstation to run at a higher speed. Now the workstation is overheating, and you are concerned that the processor might become damaged.

Upgrade the workstation cooling devices.

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.

Where do you install the heat sink and fan once you insert the CPU into the motherboard socket?

You install both on top of the CPU.

Your computer has a single core processor installed. The motherboard supports processors with up to four cores.

Your computer has a single core processor installed. The motherboard supports processors with up to four cores.