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InformáticaCHAPTER 2

Cisco IT ESSENTIALS V5

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

. Six sided bolt
. Cross head screw
. Slotted screw
. Torx blot
34 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 compressed air to verify that the fan vlade is spininning freely
33 Which two devices commonly affect wireless networks? (choose two)

. microwaves
. cordless phones
. external hard drives
. home theaters
. blu-ray plaers
. incandescent light bulbs
32 A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the techician 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
31 Which condition refers to a reduced voltage level of AC power that lasts for an extended perior of time?

. Sag
. Spike
. Surge
. Brownout
29 Which tool is designed to loosen or tighten crosshead Screws?

. Trox driver
. Phillips Screwdrivers
. Flat Head Screwdriver
. Hex Driver
30 Which tool could potentially cause data loss on hard disk floppy drives?

. Compressed Air
. A magnetic Screwdriver
. A lead pecil
. A computer vacuum cleaner
28 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
27 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 hardrive
. Cleaning the inside of the computer while it is truned on
. Wearing a wrist strap while working inside a power supply
26 How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?

. By stopping the flow of voltaje 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
25 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
24 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
23 Which Clening Solution is recommended to clean the contacts of computer components?

. Isopropyl alcohol
. Glass cleaner whit ammonia
. Wáter thats is mixed whit a small amount of dishwashing liquid
. Rubbing alcohol
22 which orecaution should be taken when working inside computer systems?

. Avoid Using Magnetized tools
. Wear ESD protection to repair monitors in humid enviroments
. Leave the power cord attached to an outlet for grounding
. Avoid using ESD wrist straps and ESD mats simultaneously
21 A technician wants to limit the chaces 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
20 which tool in Windows XP gives a technician Access to initialize disks and créate partitiosn?

. Defrag
. Disk Cleanup
. Disk Management
. Format
. Scandisk
19 Refer to the exhibit. Which type of too is presented in the graphic?

. Hex screwdriver
. Stripped screwdriver
. Phillips-head screwdriver
. Flat-head screwdriver
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 powe source
. Replace any suspected bad components with known good components
17 Which two devices commonly affect wireless LANs? (Choose Two)

. Blue-ray Players
. Home Theaters
. Wireless phones
. Microwaves
. Incandescent light bulbs
. External Hard Drives
16 Which two tools are recommended for cleaning PC? (Coose Two.)

. Antibacterial Spray
. Compressed air
. Mild Abrasive detergent
. Nylon Brush
. Rubbing alcohol
. Soft Cloth
15 Which computer must a technician never try to work on when wearing an antistatic wrist strap?:

. CPU
. Hard Disk
. Keyboards
. CRT Monitor
. Ram Module
14 Which two types of tolos can help protect a computer from a malicius attacks?(Choose two)

. Antivirus software
. Disk Cleanup
. Disk Management
. Fdisk
. Scandisk
. Spyware Remover
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.)

. Indrared 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?

. Mid cleaning solution
. Linkt-free cloth
. Isopropyl alcohol
. Compressed air
9 Which precaution should be taken when working around electronic devices?:

. Avoid Using Magnetized tolos.
. Only use hand tolos drom the same vendor.
. Wear ESD protection to repair monitors in humid evironments
. 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 tolos 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
8 Which two tolos can help protect against ESD? (Choose Two.):

. Antistatic Writs strap
. Compressed air
. Antistatic mat
. Safety glasses
. Polyester clothing
7 Refer to the exhibit. Which type of tool is shown in the graphic?:

. Cable meter
. Digital Multimeter
. Network Traffic Monitor
. Electrostatic Discharger
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
5 Why should an antistatic wrist stap be worn whe working on electronic equipment?:

. To prevent interference from clothing and loose jewelry
. To equalize hte electrical charge between a person and the equipment
. To prevent clothing made of silk, polyester, our wool from generating a static charge
. To draw static electricity away from component and trasnfer it safely from equipment to a grounding point
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
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
. Scan System
. System File Checker
1which tool should be used if a user needs to optimize space on a hard drive?:

. Defrag
. Disk Management
. Fdisk
. Format

Nticx 4to año ,Este es un test realizado para rendir Nticx de 4to año (Gladys Chazarreta profesora) San pio X.. Tags:Nticx ,matematica ,etc. Preguntas:27
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informatica ,preguntas para evaluar los conocimientos en el área de informática. en ellas se creara una idea de se desempeño en la clases y su atención . Categorías:en ,ellas ,se ,creara ,una ,idea ,de ,se ,desempeño ,en ,la ,clases ,y ,su ,atención ,. Preguntas:15

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