I.T. CHAPTER 2. Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.

Transcription

1 I.T. CHAPTER 2 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 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 A technician wants to limit the chances of ESD affecting his workspace. Which three precautions should be taken? (Choose three.) Store all computer components in clear plastic bags. Ensure antistatic mats are on the workbench and floor. Wear an antistatic wrist strap. Ensure that all flooring is carpeted. Keep all components in antistatic bags. Keep environment cool and dry. Which two tools can help protect against ESD? (Choose two.)

2 antistatic wrist strap compressed air antistatic mat safety glasses polyester clothing 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? the material safety data sheet the insurance policy of the company the local hazardous materials team the regulations provided by the Occupational Safety and Health Administration 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 a BIOS updater Device Manager Utility Which tool in Windows XP gives a technician access to initialize disks and create partitions?

3 Defrag Format Scandisk Which tool should be used if a user needs to optimize space on a hard drive? Defrag Fdisk Format Which two types of tools can help protect a computer from malicious attacks? (Choose two.) Anti-virus software Fdisk Scandisk Spyware Remover What is the proper way to dispose of outdated CRTs? All of the components should be disposed of into landfills.

4 All of the components should be properly incinerated. All of the components should be recycled whenever possible. All of the components should be sealed in containers and disposed of into landfills. Which condition refers to a reduced voltage level of AC power that lasts for a period of time? brownout sag spike surge What is recommended to remove dust from inside a computer case? damp cloth dust cloth household vacuum cleaner can of compressed air

5 Refer to the exhibit. Which type of tool is shown in the graphic? cable meter digital multimeter network traffic monitor electrostatic discharger Refer to the exhibit. Which type of tool is presented in the graphic? hex screwdriver stripped screwdriver

6 Phillips-head screwdriver flat-head screwdriver Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted? Chkdsk Defrag Scan System System File Checker 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. 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 compressed air Which condition refers to a sudden increase in voltage, which is usually caused by lightning?

7 brownout sag spike surge