Chapter 2

Chapter 2 (score 95.2%)

1. Which tool should be used if a user needs to optimize space on a hard drive?
- Defrag
- Disk Management
- Fdisk
- Format

2. Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?
- Chkdsk
- Defrag
- Disk Cleanup
- Disk Management
- Scan System
- System File Checker

3. Which condition refers to a sudden and dramatic increase in voltage, which is usually caused by lightning?
- brownout
- sag
- spike
- surge

4. Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)
- batteries
- floppy drives
- monitors
- optical drives
- parallel cables
- printer toner cartridges

5. 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

6. Why is documentation of all services and repairs an important organizational tool for a technician?
- It allows for public sharing on the Internet.
- It increases the cost of services and repairs.
- It minimizes the requirements that are used when hiring new technicians.
- It provides reference material for similar problems when such problems are encountered in the future.

7

Refer to the exhibit. Which type of tool is shown in the graphic?
- cable meter
- digital multimeter
- network traffic monitor
- electrostatic discharger

8. Which two tools can help protect against ESD? (Choose two.)
- antistatic wrist strap
- compressed air
- antistatic mat
- safety glasses
- polyester clothing

9. Which precaution should be taken when working around electronic devices?
- Avoid using magnetized tools.
- Only use hand tools from the same vendor.
- Wear ESD protection to repair monitors in humid environments.
- Avoid using ESD wrist straps and ESD mats simultaneously.

10. The performance of a computer is reduced after it has been using the Internet. Which three tools could be run to try to improve the performance of the computer? (Choose three.)
- Fdisk
- Spyware Remover
- Defrag
- Disk Cleanup
- a BIOS updater
- Device Manager Utility

11. How does a technician discharge static buildup?
- touching the painted part of the computer case
- touching an unpainted part of the computer case
- touching an antistatic wrist strap before touching any computer equipment
- touching an antistatic mat before touching any computer equipment

12. What are two significant sources of EMI? (Choose two.)
- infrared mice
- RAM modules
- electrical storms
- LCD monitors
- power lines

13. A technician has a room of computers which are running very hot. The technician discovers that the heat sinks in the computers are very dusty. What should the technician use to clean the heat sinks?
- mild cleaning solution
- lint-free cloth
- isopropyl alcohol __ << __ !!! In chapter 3 is this answer !!!
- compressed air

14. Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
- Antivirus software
- Disk Cleanup
- Disk Management
- Fdisk
- Scandisk
- Spyware Remover

15. Which computer components must a technician never try to work on when wearing an antistatic wrist strap?
- CPU
- hard disk
- keyboard
- CRT monitor
- RAM module

16. Which two tools are recommended for cleaning a PC? (Choose two.)
- antibacterial spray
- compressed air
- mild abrasive detergent
- nylon brush
- rubbing alcohol
- soft cloth

17. Which two devices commonly affect wireless LANs? (Choose two.)
- Blu-ray players
- home theaters
- wireless phones
- microwaves
- incandescent light bulbs
- external hard drives

18. Which step should be performed first when servicing computer equipment?
- Wipe down the exterior with a lint-free, damp soft cloth.
- Open the case and check for any loose connections.
- Turn off and remove the power source.
- Replace any suspected bad components with known good components.

19

Refer to the exhibit. Which type of tool is presented in the graphic?
hex screwdriver
- stripped screwdriver
- Phillips-head screwdriver
- flat-head screwdriver

20. Which tool in Windows XP gives a technician access to initialize disks and create partitions?
- Defrag
- Disk Cleanup
- Disk Management
- Format
- Scandisk