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Chapter 2 Review

Beschreibung

cst chapter 2 review
CoolUsername7
Quiz von CoolUsername7, aktualisiert more than 1 year ago
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Zusammenfassung der Ressource

Frage 1

Frage
Which tool should be used if a user needs to optimize space on a hard drive?
Antworten
  • Defrag
  • Disk Management
  • FDISK
  • Format

Frage 2

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

Frage 3

Frage
Which condition refers to a sudden and dramatic increase in voltage, which is usually caused by lightning?
Antworten
  • brownout
  • sag
  • spike
  • surge

Frage 4

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

Frage 5

Frage
Why should an antistatic wrist strap be worn when working on electronic equipment?
Antworten
  • to prevent interference from clothing and loose jewlery
  • 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.

Frage 6

Frage
Why is documentation of all services and repairs an important organizational tool for a technician?
Antworten
  • 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

Frage 7

Frage
Refer to the exhibit which type of tool is shown in the graphic?
Image:
2ab2ee97-e42b-454b-ac4d-e706c9c9fee1 (image/png)
Antworten
  • cable meter
  • digital multimeter
  • network traffic monitor
  • electrostatic discharger

Frage 8

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

Frage 9

Frage
Which precaution should be taken when working around electronic devices?
Antworten
  • 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.

Frage 10

Frage
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.)
Antworten
  • FDISK
  • Spyware Remover
  • Defrag
  • Disk Cleanup
  • a BIOS updater
  • Device Manager Utility

Frage 11

Frage
How does a technician discharge static buildup?
Antworten
  • 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

Frage 12

Frage
What are two significant sources of EMI?
Antworten
  • infared mice
  • RAM modules
  • electrical storms
  • LCD monitors
  • power lines

Frage 13

Frage
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?
Antworten
  • mild cleaning solution
  • lint-free cloth
  • isopropyl alcohol
  • compressed air

Frage 14

Frage
Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
Antworten
  • Antivirus software
  • Disk Cleanup
  • Disk Management
  • FDISK
  • Scandisk
  • Spyware Remover

Frage 15

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

Frage 16

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

Frage 17

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

Frage 18

Frage
Which step should be performed first when servicing computer equipment?
Antworten
  • 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

Frage 19

Frage
Refer to the exhibit. Which type of tool is presented in the graphic?
Image:
e4518827-b7dd-4d4b-8e13-4cab5b123a61 (image/png)
Antworten
  • hex screwdriver
  • stripped screwdriver
  • phillips head screwdriver
  • flat-head screwdriver

Frage 20

Frage
Which tool in Windows XP gives a technician access to initialize disks and create partitions?
Antworten
  • Defrag
  • Disk Cleanup
  • Disk Management
  • Format
  • Scandisk

Frage 21

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

Frage 22

Frage
Which precaution should be taken when working inside computer systems?
Antworten
  • 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.

Frage 23

Frage
Which cleaning solution is recommended to clean the contacts of computer components?
Antworten
  • Isopropyl alcohol
  • glass cleaner with ammonia
  • water that is mixed with a small amount of dishwashing liquid
  • rubbing alcohol.

Frage 24

Frage
Why should a pencil never be used as a tool when working inside a computer?
Antworten
  • Pencil lead is conductive.
  • The lead in a pencil can induce current
  • A pencil can hold a static charge
  • Pencil lead is corrosive

Frage 25

Frage
How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
Antworten
  • 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

Frage 26

Frage
Which two actions pose a potential safety hazard to a technician? (Choose two.)
Antworten
  • standing on an antistatic mat while working on a computer
  • plugging a printer into a 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

Frage 27

Frage
Which circumstance increases the likelihood of ESD damage to a computer?
Antworten
  • self grounding against the computer case
  • using a magnetic screwdriver while working on a hard drive
  • plugging a printer into a UPS
  • working in low levels of humidity

Frage 28

Frage
Which tool is designed to loosen or tighten crosshead screws?
Antworten
  • torx driver
  • phillips screwdriver
  • flat head screwdriver
  • hex driver

Frage 29

Frage
Which tool could potentially cause data loss on hard disk or floppy drive?
Antworten
  • compressed air
  • a magnetic screwdriver
  • a lead pencil
  • a computer vacuum cleaner

Frage 30

Frage
Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
Antworten
  • sag
  • spike
  • surge
  • brownout

Frage 31

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

Frage 32

Frage
Which two devices commonly affect wireless networks? (Choose two.)
Antworten
  • microwaves
  • cordless phones
  • external hard drives
  • home theaters
  • Blu-ray players
  • incandescent light bulbs

Frage 33

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

Frage 34

Frage
Which type of fastener is loosened and tightened with a hex driver?
Antworten
  • six sided bolt
  • cross head screw
  • slotted screw
  • torx bolt
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