CompTIA DHTI+ Practice Questions - Question List

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6. Which of the following connector types is used to connect a security system control panel to a telephone interface?
  1. RJ-31x
  2. RJ-11x
  3. RJ-21
  4. RJ-45
7. Harry wants to install smoke detectors in his home office. Which of the following locations in the house need not have a smoke detector installed?
  1. Bedroom
  2. Bathroom
  3. Conference room
  4. Server room
8. Which of the following is a secondary criterion when choosing a video camera for a surveillance system?
  1. Focal length
  2. Mounting style
  3. Light sensitivity
  4. Color
9. Which of the following is the unit used to measure the light sensitivity of a camera?
  1. Ohms
  2. Lux
  3. Volts
  4. Microfarads
10. You want to use a camera type that can provide illumination in darkened areas. Which of the following surveillance camera types should you use?
  1. Analog
  2. IP
  3. IR
  4. RF

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