PC Pro 2.4.7 Practice Questions
Which of the following features should you look for when selecting a vacuum cleaner for your cleaning kit? (Select two) A. Non-static generating B. Washable filters C. Static-induction meter D. Coarse grade bag E. A vacuum cleaner that blows as well as vacuums
A vacuum cleaner that blows as well as vacuums; Non-static generating
Which of the following are common tools used to physically clean the inside of a computer? (Select two) A. Compressed air B. Natural bristle brush C. Industrial degreaser D. Damp rag E. Wire brush
Compressed air Natural bristle brush
Which device type should typically not be plugged into a protected outlet on a UPS unit? A. Secondary monitor B. Inkjet printer C. External hard disk drive D. Laser printer
Laser printer
A new laptop was delivered to your home and left on the porch while you were at work. It is very cold outside, and you don't know how long it has been there. You unpack the computer and would like to know if it is working properly. What should you do? A. Turn on the computer and run self-diagnostic tests B. Let the computer warm up to room temperature before turning it on C. Place the laptop next to a heater set on High to warm it up D. Visually inspect the LCD screen for cracks before turning it on E. Remove the back cover and blow out the inside with compressed air before turning it on
Let the computer warm up to room temperature before turning it on
Besides protecting a computer from under- voltages, a typical UPS also performs which two actions? (Select two.) A. Prevents electric shock B. Prevents ESD C. Protects from over-voltages D. Conditions the power signal E. Protects network cabling from EMI
Protects from over-voltages Conditions the power signal
Which of the following devices help protect against temporary, above-normal voltages? A. Grounding wire B. Power strip C. Surge protector D. ESD grounding strap
Surge protector
What does occasional beeping from the UPS mean? A. The UPS battery is no longer able to hold a charge B. The UPS is not connected to the computer C. The power reserve in the UPS battery is critically low D. The computer is running on the UPS battery power E. The computer is about to shut down
The computer is running on the UPS battery power
You are trying to help a co-worker order a UPS for each PC in her remote office location. What rating is used to specify the size of a UPS? A. Watts B. Volts C. Volt/ohm D. VA
VA
Which of the following is most helpful in keeping a computer cool? A. Verify that cooling fans are not circulating air in the wrong directions B. Vacuum dust from the system regularly C. Use a high-wattage power supply D. Remove a slot cover from the back of the computer E. Install a thermostat in the fan circuit
Verify that cooling fans are not circulating air in the wrong directions; Vacuum dust from the system regularly
Which of the following statements about cleaning monitors and display devices is true? A. Monitors are best cleaned while powered on so that you will be able to observe the effectiveness of your cleaning B. Most new monitors are self-cleaning and should not be cleaned using external methods C. An LCD monitor is best cleaned using a lint rag and glass cleaner D. You should clean the monitor while it is powered off with a lint-free cloth
You should clean the monitor while it is powered off with a lint-free cloth