It-essentials Chapter 2 Exam v6.0 2016

1. A new technician has joined the IT team and is about to service a heavy printer. What advice would you give this technician to avoid any injury when transporting the heavy printer to the service area?

Bend your knees to use the strength in your legs to lift the printer.*

Avoid bending your knees when lifting the printer.

Bend your back to pick the printer up.

Use your arms and back to lift the printer.


2. 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


3. Which circumstance increases the likelihood of ESD damage to a computer?

working in low levels of humidity*

using a magnetic screwdriver while working on a hard drive

plugging a printer into an UPS

self grounding against the computer case


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






5. What are two significant sources of EMI? (Choose two.)

infrared mice

RAM modules

electrical storms*

LCD monitors

power lines*


6. A technician is unpacking a new PCIe video adapter from an antistatic bag to install the card in a desktop computer. Which two measures should the technician use to protect the card and other computer components? (Choose two.)

Use a grounded mat on the workbench.*

Use a correctly connected antistatic wrist strap.*

Shield the card and computer from sources of EMI.

Ensure that the workplace has a low humidity environment.

Connect the computer to a UPS while installing the card.


7. 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.


8. 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


9. A technician is troubleshooting connectivity issues to a PC and needs to verify which cable is plugged into the correct port of the patch panel. What tool should the technician use?


toner probe*

punch down



10. Which tool is designed to loosen or tighten crosshead screws?

phillips screwdriver*

hex driver

flat head screwdriver

torx driver


11. What tool would a technician use to remove a slotted screw?

flat head screwdriver*

hex driver

needle-nosed pliers

Phillips head screwdriver

Torx screwdriver


12. Which tool in Windows OS gives a technician access to initialize disks and create partitions?

Optimize Drives

Disk Cleanup

Disk Management*




13. Which Windows OS tool scans the critical files of the operating system and replaces any files that have been corrupted?



Disk Cleanup

Disk Management

Scan System

System File Checker*


14. Which tool should be used if a user needs to optimize space on a hard drive?

Optimize Drives*

Disk Management




15. Why is documentation of all services and repairs an important organizational tool for a technician?

It increases the cost of services and repairs.

It allows the public sharing of information on the Internet.

It reduces the technical skills required of new technicians.

It provides reference material for similar problems when they are encountered in the future.*


16. Which tool could potentially cause data loss on hard disk or floppy drives?

a magnetic screwdriver*

compressed air

a lead pencil

a computer vacuum cleaner


17. Why should an antistatic wrist strap be worn when working on electronic equipment?

to prevent interference from clothing and loose jewelry

to equalize the electrical charge between a person and the equipment*

to prevent clothing made of silk, polyester, or wool from generating a static charge

to draw static electricity away from a component and transfer it safely from equipment to a grounding point


18. Which precaution should be taken when working inside computer systems?

Avoid using magnetized tools.*

Leave the power cord attached to an outlet for grounding.

Wear ESD protection to repair monitors in humid environments.

Avoid using ESD wrist straps and ESD mats simultaneously.


19. Which cleaning solution is recommended to clean the contacts of computer components?

rubbing alcohol

isopropyl alcohol*

glass cleaner with ammonia

water that is mixed with a small amount of dishwashing liquid


20. Why should a pencil never be used as a tool when working inside a computer?

Pencil lead is corrosive.

Pencil lead is conductive.*

A pencil can hold a static charge.

The lead in a pencil can induce current.


21. A technician suspects that a power supply is faulty. How can it be checked?

by checking the temperature of the power supply

by using a multimeter*

by taking apart the power supply

by powering up the PC after disconnecting each connector in turn

22. Match the steps of fire extinguisher operation to the order in which they should be completed. (Not all options are used.)