Unit 2 Homework

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 voltages are provided by an ATX power supply? (Select three.)

3.3, 5, 12

Which of the following refers to placing two or more processors in a single processor chip?

A Multi-core

What might be necessary to enable dual-channel mode on a dual-channel motherboard?

Activating Dual-Channel mode on the PC's firmware

Which of the following BEST describes the role of the Trusted Platform Module (TPM) in enhancing system security?

Assessing whether the TPM is used to store cryptographic keys securely, preventing unauthorized access to encrypted data.

Every time a user attempts to save a file, the computer shows an error that reads, "Cannot read from the source disk." What kind of issue does this indicate?

Drive Issue

Since it has no moving parts, a CPU will usually work properly for several years. Which of the following is a common factor that might cause a CPU to fail prematurely?

Electrostatic discharge (ESD)

You are a sales representative for a large pharmaceutical company. You often want to share information from your laptop quickly with customers during onsite visits. Which of the following storage media would BEST allow you to quickly and inexpensively share your files with the customers?

Flash Drive

A hardware technician installed a new power supply unit (PSU) in a workstation and removed unnecessary power connector cables. What type of PSU did the technician install?

Modular

Which of the following is a typical boot device option that can be prioritized in the system firmware's boot option sequence?

Network/PXE (Preboot Execution Environment)

Which of the following drive configurations uses striping with parity for fault tolerance?

RAID 5

What is an advantage of RAID 5 over RAID 1?

RAID 5 improves performance over RAID 1

You work at a computer repair store. You just upgraded the processor (CPU) in a customer's computer. The computer starts, but it locks up shortly after starting Windows. Which of the following is MOST likely causing the computer to automatically shut down?

The fan is not running

What must be true for device drivers in a 64-bit operating system?

They can be written specificaly for 64-bit systems

What is a key advantage of ARM-based processors in mobile devices compared to x86/x64 processors?

They offer higher performance-per-watt, improving battery life

Which of the following BEST describes the technology that was designed to replace the BIOS and is a firmware solution for controlling the startup process and loading the computer operating system into memory?

UEFI

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?

Upgrade to a power supply that provides more watts

You are tasked with evaluating a computer system that frequently experiences random shutdowns and OS blue screen errors. After eliminating software issues, you suspect a hardware problem. Which of the following actions would be the MOST effective in evaluating the stability of the system's power supply?

Use a multimeter to measure the output voltages of the power supply.

You work for a small company as the human resources specialist. Since the company is fairly small, you are maintaining all of the employee information on your desktop computer, which is running Windows 11. This computer has two high-capacity hard disks. You want to ensure that this information is protected from a hard disk failure, so you want to set up a Windows software RAID system. Which of the following would be your BEST solution?

Used Mirrored volumes

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

Virtual Memory

You have a desktop computer that you want to upgrade. You add several internal and external components. You realize that you need to ensure that your power supply can support these new components. Which of the following power supply ratings BEST describes the rating you would use to determine this?

Watt Rating

A user reports that their computer is not booting from a newly installed SSD, even though it is properly connected. Upon checking the system firmware settings, you find that the boot option sequence is set to prioritize the optical drive first, followed by a USB drive, and then the network. Which of the following actions should you take to analyze and resolve the boot issue?

Change the boot option sequence to prioritize the SSD as the first boot device

You are a technician tasked with resolving a boot issue on a client's computer. The system fails to boot and displays an error message indicating "No Bootable Device Found." Upon inspection, you notice that the system has multiple drives installed. Which of the following actions should you take first to resolve the boot sector issue?

Change the boot option sequence to prioritize the SSD as the first boot device

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 for dust buildup inside the case

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 backward in the memory slot.