What two physical attacks are mitigated by using access control vestibules? (Choose two.)
- shoulder surfing
- dumpster diving
- tailgating
- badge cloning
- piggybacking
Explanation: Piggybacking and tailgating can be defeated through access control vestibules, formerly mantraps. An access control vestibule is a small space that usually fits only one person. It has two sets of closely spaced doors; the first set must be closed before the other will open, creating a sort of waiting room where people are identified (and cannot escape).
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