Practice question

Which of the following is a key purpose of perimeter lighting at a guarded site?

  1. To increase the building's electricity bill
  2. To deter intruders and improve visibility for guards and CCTV at night
  3. To signal that the site is unoccupied
  4. To replace the need for any patrols

Answer: B — To deter intruders and improve visibility for guards and CCTV at night

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