IT Essentials-Chapter 2: PC Hardware and Software (Version 4.1)

loading...

iklan tautan

Chapter 2 Exam - IT Essentials: PC Hardware and Software (Version 4.1)

jawaban	pertanyaan
1- compressed air 2- soft cloth	Which two tools are recommended for cleaning a PC? (Choose two.)
Defrag	Which tool should be used if a user needs to optimize space on a hard drive?
1- Antivirus software 2- Spyware Remover	Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
Disk Management	Which tool in Windows XP gives a technician access to initialize disks and create partitions?
Phillips-head screwdriver	Refer to the exhibit. Which type of tool is presented in the graphic?
touching an unpainted part of the computer case	How does a technician discharge static buildup?
System File Checker	Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?
1- Spyware Remover 2- Defrag 3- Disk Cleanup	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.)
digital multimeter	Refer to the exhibit. Which type of tool is shown in the graphic?
spike	Which condition refers to a sudden and dramatic increase in voltage, which is usually caused by lightning?
Turn off and remove the power source.	Which step should be performed first when servicing computer equipment?
1- antistatic wrist strap 2- antistatic mat	Which two tools can help protect against ESD? (Choose two.)
1- wireless phones 2- microwaves	Which two devices commonly affect wireless LANs? (Choose two.)
1- electrical storms 2- power lines	What are two significant sources of EMI? (Choose two.)
to equalize the electrical charge between a person and the equipment	Why should an antistatic wrist strap be worn when working on electronic equipment?
It provides reference material for similar problems when such problems are encountered in the future	Why is documentation of all services and repairs an important organizational tool for a technician?
1- batteries 2- monitors 3- printer toner cartridges	Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)
Avoid using magnetized tools.	Which precaution should be taken when working around electronic devices?
compressed air	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?
CRT monitor	Which computer components must a technician never try to work on when wearing an antistatic wrist strap?

loading...