CompTIA A+ 220-902

Category - Security

What type of security is used to verify authorization for entrance into a building?
  1. Faraday cage
  2. Security cameras
  3. Cable locks
  4. Smart card
Explanation
Answer: D - A smart card is used to verify authorization for entrance into a building.

A smart card is a type of badge system that verifies the user should have access to a building. It does not prevent piggybacking, but it verifies a user’s identity.
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