IT Essentials (ITE v5.0 & v5.02) Chapter 2 Exam Answers 100% 2019

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

• Defrag
• Scandisk
• Format
• Disk Management*
• Disk Cleanup

2. Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?

• System File Checker*
• Disk Cleanup
• Scan System
• Defrag
• Disk Management
• Chkdsk

3. Which two types of tools can help protect a computer from malicious attacks? (Choose two.)

• Disk Management
• Spyware Remover*
• Antivirus software*
• Disk Cleanup
• Scandisk
• Fdisk

4. A technician wants to limit the chances of ESD affecting the workspace. Which three precautions should be taken? (Choose three.)

• Ensure antistatic mats are on the workbench and floor.*
• Keep humidity in the environment very low.
• Ensure that all flooring is carpeted.
• Wear an antistatic wrist strap.*
• Keep all components in antistatic bags.*
• Store all computer components in clear plastic bags.

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

• infrared mice
• electrical storms*
• RAM modules
• power lines*
• LCD monitors

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

• Avoid using magnetized tools.*
• Wear ESD protection to repair monitors in humid environments.
• Leave the power cord attached to an outlet for grounding.
• Avoid using ESD wrist straps and ESD mats simultaneously.

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

• isopropyl alcohol*
• glass cleaner with ammonia
• water that is mixed with a small amount of dishwashing liquid
• rubbing alcohol

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

• Pencil lead is conductive.*
• The lead in a pencil can induce current.
• A pencil can hold a static charge.
• Pencil lead is corrosive.

9. The performance of a computer is reduced after using the Internet. Which three tools could be run to try to improve the performance of the computer? (Choose three.)

• Fdisk
• a BIOS updater
• Spyware remover*
• Defrag*
• Disk Cleanup*
• Device Manager

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

• It allows the public sharing of information on the Internet.
• It increases the cost of services and repairs.
• It reduces the technical skills required of new technicians.
• It provides reference material for similar problems when they are encountered in the future.*

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

• by stopping the flow of voltage to the computer
• by grounding excess electrical voltage
• by switching from main power to a standby power source
• by using a battery to supply a constant level of voltage*

12. Which two actions pose a potential safety hazard to a technician? (Choose two.)

• standing on an antistatic mat while working on a computer
• plugging a printer into an UPS
• using a magnetic screwdriver while working on a hard drive
• cleaning the inside of the computer while it is turned on*
• wearing a wrist strap while working inside a power supply*

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

• self grounding against the computer case
• using a magnetic screwdriver while working on a hard drive
• plugging a printer into an UPS
• working in low levels of humidity*

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

• torx driver
• phillips screwdriver*
• flat head screwdriver
• hex driver

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

• compressed air
• a magnetic screwdriver*
• a lead pencil
• a computer vacuum cleaner

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

• sag
• spike
• surge
• brownout*

17. A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product?

• the local hazardous materials team
• the insurance policy of the company
• the material safety data sheet*
• the regulations provided by the local occupational health and safety administration

18. Which two devices commonly affect wireless networks? (Choose two.)

• microwaves*
• cordless phones*
• external hard drives
• home theaters
• Blu-ray players
• incandescent light bulbs

19. What is a proper directive for using a can of compressed air to clean a PC?

• Use a long, steady stream of air from the can.
• Do not spray the compressed air with the can upside down.*
• Do not use compressed air to clean a CPU fan.
• Spray the CPU cooling fan with the compressed air to verify that the fan blade is spinning freely.

20. Which type of fastener is loosened and tightened with a hex driver?

• six sided bolt*
• cross head screw
• slotted screw
• torx bolt