coa midterm

A user has noticed that the hard drive LED on the front of the computer has stopped working. However, the computer seems to be functioning normally. What is the most likely cause of the problem?

• a. The motherboard BIOS needs to be updated.

• b. The power supply is not providing enough voltage to the motherboard.

• c. The hard drive LED cable has come loose from the motherboard.

• d. The hard drive data cable is malf

A network administrator currently has three servers and needs to add a fourth, but does not have enough room for an additional monitor and keyboard. Which device allows the administrator to connect all the servers to a single monitor and keyboard?

• a. UPS

• USB switch

• c. touch screen monitor

• KVM switch

• e. PS/2 hub

A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

• a. The PC default gateway address is missing or incorrect.

• b. The NIC on the PC is faulty.

• c. The PC has an incorrect IP address.

• d. The network cable connected to the user PC is faulty.

Which disk drive type contains a magnetic HDD with onboard flash memory serving

as a non-volatile cache?

• SSD

• b. SSHD

• c. SCSI

• d. NVMe

What is a function of the BIOS?

• a. enables a computer to connect to a network

• b. performs a check on all internal components

• provides graphic capabilities for games and applications

• provides temporary data storage for the CPU

When a new PC is being built, which component has the most influence when selecting the case and power supply?

• sound card

• motherboard

• RAM module

• video card

• hard disk type

What indicates that the charge on the CMOS battery could be getting low?

• The computer fails to boot.

• The computer time and date are incorrect.

• A beep error code occurs during POST.

• Performance while accessing files on the hard drive is slow.

A technician wants to replace a failing power supply on a high-end gaming computer. Which form factor should the technician be looking for?

• EPS12V

• ATX

• AT

• ATX12V

What is a characteristic of a WAN?

• • It is typically owned and managed by a single home or business.

• It connects multiple networks that are geographically separated.

• It spans across a campus or city to enable sharing of regional resources.

• It requires a wireless access point to connect users to the network.

What data is stored in the CMOS memory chip?

• user login information

• device drivers

• Windows configuration settings

• BIOS settings