IT Essentials Chapter 2 V5.0
We are living in a world, which has been turned into a small global village, all thanks to technology. In the heart of technology, lie Information Technology and whose essentials are tested in the quiz below. All the best.
- 1.Which tool in Windows XP gives a technician access to initialize disks and create partitions?
- A.
Defrag
- B.
Scandisk
- C.
Disk Management
- D.
Format
- E.
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?
- A.
System File Checker
- B.
Disk Cleanup
- C.
Scan System
- D.
Defrag
- E.
Disk Management
- F.
Chkdsk
- 3.Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
- A.
Disk Management
- B.
Spyware Remover
- C.
Antivirus Software
- D.
Disk Cleanup
- E.
Scandisk
- F.
Fdisk
- 4.A technician wants to limit the chances of ESD affecting the workspace. Which three precautions should be taken? (Choose three.)
- A.
Ensure antistatic mats are on the workbench and floor
- B.
Keep humidity in the enviroment very low
- C.
Ensure that all flooring is carpeted
- D.
Wear antistatic wrist strap
- E.
Keep all components in antistatic bags
- F.
Store all computer in clear plastic bags
- 5.What are two significant sources of EMI? (Choose two.)
- A.
Infrared Mice
- B.
Electrical Storms
- C.
RAM Modules
- D.
Power Lines
- E.
LCD Monitors
- 6.Which precaution should be taken when working inside computer systems?
- A.
Avoid using magnetized tools.
- B.
Wear ESD protection to repair monitors in humid environments
- C.
Leave the power cord attached to an outlet for grounding
- D.
Avoid using ESD wriststraps and ESD mats simultaneously
- 7.Which cleaning solution is recommended to clean the contacts of computer components?
- A.
Isopropyl alcohol
- B.
Glass cleaner with ammonia
- C.
Water that is mixed with a small amount of dishwashing liquid
- D.
Rubbing alcohol
- 8.Why should a pencil never be used as a tool when working inside a computer?
- A.
Pencil lead is conductive.
- B.
The lead in a pencil can induce current
- C.
A pencil can hold a static charge.
- D.
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.)
- A.
Fdisk
- B.
A BIOS updater
- C.
Spyware remover
- D.
Defrag
- E.
Disk Cleanup
- F.
Device Manager
- 10.Why is documentation of all services and repairs an important organizational tool for a technician?
- A.
It allows the public sharing of information on the Internet.
- B.
It increases the cost of services and repairs
- C.
It reduces the technical skills required of new technicians.
- D.
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?
- A.
By stopping the flow of voltage to the computer
- B.
By grounding excess electrical voltage
- C.
By switching from main power to a standby power source
- D.
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.)
- A.
Standing on an antistatic mat while working on a computer
- B.
Plugging a printer into an UPS
- C.
Using a magnetic screwdriver while working on a hard drive
- D.
Cleaning the inside of the computer while it is turned on
- E.
Wearing a wrist strap while working inside a power supply
- 13.Which circumstance increases the likelihood of ESD damage to a computer?
- A.
Self grounding against the computer case
- B.
Using a magnetic screwdriver while working on a hard drive
- C.
Plugging a printer into an UPS
- D.
Working in low levels of humidity
- 14.Which tool is designed to loosen or tighten crosshead screws?
- A.
Torx driver
- B.
Phillips screwdriver
- C.
Flat head screwdriver
- D.
Hex driver
- 15.Which tool could potentially cause data loss on hard disk or floppy drives?
- A.
Compressed air
- B.
A magnetic screwdriver
- C.
A lead pencil
- D.
A computer vacuum cleaner
- 16.Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
- A.
Sag
- B.
Spike
- C.
Surge
- D.
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?
- A.
The local hazardous materials team
- B.
The insurance policy of the company
- C.
The material safety data sheet
- D.
The regulations provided by the local occupational health and safety administration
- 18.Which two devices commonly affect wireless networks? (Choose two.)
- A.
Microwaves
- B.
Cordless
- C.
Phone
- D.
External hard drives
- E.
Home theaters
- F.
Blu-ray players
- G.
Incandescent light bulbs
- 19.What is a proper directive for using a can of compressed air to clean a PC?
- A.
Use a long, steady stream of air from the can.
- B.
Do not spray the compressed air with the can upside down.
- C.
Spray the CPU cooling fan with the compressed air to verify that the fan blade is spinning freely
- D.
Do not use compressed air to clean a CPU fan.
- 20.Which type of fastener is loosened and tightened with a hex driver?
- A.
Six sided bolt
- B.
Cross head screw
- C.
Slotted screw
- D.
Torx bolt
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