CompTIA A+® Certification All-In-One For Dummies®, 2nd Edition

3.8. Prep Test

1. Which of the following is considered high-voltage equipment? (Select all that apply.)

   1. □ Printers

   2. □ CRTs

   3. □ Power supply units

   4. □ Hard drives

2. Computer components can be destroyed with as little as

   1. □ 3,000 volts

   2. □ 200 volts

   3. □ 500 volts

   4. □ 900 volts

3. ESD stands for

   1. □ Electrostatic discharge

   2. □ Electrostationary discharge

   3. □ Electrostatic disruption

   4. □ None of the above

4. What does EMI stand for?

   1. □ Electromagnetic interference

   2. □ Electric motor interference

   3. □ Electromechanical interference

   4. □ Emits magnetic interference

5. EPA stands for

   1. □ Environmental Protection Association

   2. □ Environmental Protection Agency

   3. □ Environmental Preservation Agency

   4. □ Environmental Preservation Association

6. RSI stands for

   1. □ Restive strain injury

   2. □ Repetitive self-injury

   3. □ Restrictive system injury

   4. □ Repetitive strain injury

7. The static shock one commonly feels is typically about how many volts?

   1. □ 3,000

   2. □ 200

   3. □ 10

   4. □ 5

8. You can prevent damage from ESD by

   1. □ Keeping the air dry

   2. □ Using a multimeter

   3. □ Using a grounding wrist strap

   4. □ Using a static meter

9. A grounding wrist strap contains a

   1. □ Surge protector

   2. □ Capacitor

   3. □ Voltmeter

   4. □ Resistor

10. The risk for electrostatic discharge is the greatest at

    1. □ Daytime

    2. □ High humidity

    3. □ Low humidity

    4. □ Nighttime