IT Essentials 7.0 Chapter 3

Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)

• amount of RAM

• number of CPU cores

• water cooling

• powerful video card

• high-end sound card

Which two components are commonly replaced when a computer system with a newer motherboard is being upgraded? (Choose two.)

• RAM

• hard disk drive

• CPU

• optical drive

• CMOS battery

What are two reasons for installing a second hard disk drive inside an existing computer? (Choose two.)

• to support a RAID array

• to store BIOS configuration settings

• to store the system swap file

• to increase CPU speed

• to allow access to a secondary display output

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

• It issues a number of short beeps

• The LED on the front of the computer case flashes a number of times.

• It places an error message in the BIOS

• It locks the keyboard.

What is a function of the BIOS?

• enables a computer to connect to a network

• provides temporary data storage for the CPU

• performs a check on all internal components

• provides graphic capabilities for games and applications

A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?

• before the computer is powered on

• during the Windows load process

• during the POST

• after the POST, but before Windows starts to load

How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?

• by grounding excess electrical voltage

• by using a battery to supply a constant level of voltage

• by switching from main power to a standby power source

• by stopping the flow of voltage to the computer

Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?

• brownout

• sag

• spike

• surge

How should a technician dispose of an empty inkjet printer cartridge?

• Refill it.

• Throw it away.

• Follow local regulations for disposal.

• Give it back to the customer

What makes CRT monitor disposal dangerous for a technician who is handling the disposal?

• potential breathing hazards

• potential explosive materials

• potential residual high voltage

• potential health-damaging chemicals