Chapter 2.2.7

Your company provides testing services that help customers identify and resolve performance issues with their software and e-commerce sites before they go live. To perform accurate testing, a large number of computers are required, sometimes numbering in the hundreds. Recently, you have noticed that the lights in the testing lab seem dimmer than normal and sometimes flicker. Which of the following electrical terms BEST describes the condition you are most likely experiencing? Blackout Power surge Brownout Power spike

Brownout

Besides protecting a computer from under-voltages, a typical UPS also performs which other actions? (Select two.) Prevents ESD Conditions the power signal Protects network cabling from EMI Prevents electric shock Protects from over-voltages

Conditions the power signal Protects from over-voltages

Katy is a IT engineer who is responsible for maintaining the environment in her company data center in San Francisco. While swapping motherboards in a server in the data center, she notices that the original motherboard is showing signs of corrosion. Which of the following is the BEST solution to resolve the corrosion issue? Decrease the humidity in the data center. Check and clean all corroded server motherboards. Replace motherboards in the servers more frequently. Run a diagnostic check on all servers to make sure they are functioning properly.

Decrease the humidity in the data center.

What method is used to ensure proper ventilation in a server room? Internal fans Maintaining a steady temperature Hot and cold aisles Internal cooling systems

Hot and cold aisles

Which of the following device types should be plugged into a surge-protected-only outlet on a UPS unit and not a battery backup outlet? Inkjet printer Secondary LCD monitor External hard disk drive Laser printer

Laser printer

Which of the following components require special disposal procedures to comply with environmental guidelines? Motherboard Video card Notebook battery Hard disk drive

Notebook battery

What is the BEST way to dispose of printer cartridges? Return them to the manufacturer for recycling. Place them in the regular trash. Deliver them to a local recycling facility. Place them in a standard recycling bin.

Return them to the manufacturer for recycling.

You work for a large company that has over 1,000 computers. Each of these computes uses a wireless mouse and keyboard. Therefore, your company goes through a lot of alkaline batteries. When these batteries can no longer power the intended device, you need to decide what to do with them. Unless otherwise dictated by your local authorities, which of the following would be the EASIEST way to deal with these batteries? They must be stored onsite until they expire. They must be sent to hazardous waste collection. They can be recharged. They can be thrown in the trash.

They can be thrown in the trash.

Your company has a plan in place to upgrade each employee's laptop computer to a newer model every three years. As a result, you often have old laptop batteries. Unless otherwise dictated by your local authorities, which of the following is the BEST way to deal with these types of batteries? They must be recycled. They can be recharged. They must be stored on-site until they expire. They can be thrown in the trash.

They must be recycled.

Your company resides in an area with rapid growth in both the corporate and residential areas surrounding your office. As such, your company has been experiencing several brownouts due to power grid problems (too much demand and not enough electricity). Fearing that your computers (especially the servers) could be damaged by these brownouts, your manager has asked you to find a solution to this problem. Which of the following would be the BEST device to recommend to your manager for computer protection? GFCI UPS Surge suppressor Power strips

UPS