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CompTIA Security+ study material · question 354 of 611

Which physical control defeats tailgating through a badge-controlled door?

  1. A camera covering the entrance
  2. A stronger badge reader
  3. An access control vestibule where only one door opens at a time
  4. A visitor log at reception
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Answer: C. An access control vestibule where only one door opens at a time

Tailgating uses a legitimate entry, so only a physical interlock that admits one person at a time stops it.

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