Cisco IT Essentials v5.0 Chapter - 2

Correct answers are in Red color.

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