Practice Quiz

CompTIA Security+ Exam Prep - Question List

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191. Electric power is necessary for modern life. Companies must understand power issues to protect their computer systems. When clean power is used, there is no interference or voltage fluctuation. What is the proper term for line noise?
  1. Electromagnetic Interference
  2. Line Disturbance
  3. Electromagnetic Disturbance
  4. None of the Above
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192. What does a device using a metal oxide varistor protect against?
  1. Electromagnetic Interference
  2. Line Disturbance
  3. Power Surges
  4. Brownouts
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193. What do constant voltage transformers regulate?
  1. Power Surges
  2. Brownouts
  3. Blackouts
  4. None of the above
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194. It has been raining on and off the last month and extremely hot on some days. There has been a lot of static and it appears that one of the wires at your desk is corroding. What can cause these two problems?
  1. Rain
  2. Humidity
  3. Hot Spells
  4. All of the Above
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195. What type of air-conditioning system maintains air quality and lessens contaminants?
  1. Open-loop
  2. Closed-loop
  3. Both A and B
  4. Neither A nor B
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