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
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