Which term describes the credential used to grant entry in access control systems?

• A. Passwords
• B. Badges or cards
• C. Guards
• D. Keys

Answer: (B)

In access control, entry is granted when you present a credential that the system can read and verify. For physical entry, that credential is usually a badge or card. You carry the badge or card, the reader reads it, and the system checks whether you have permission to enter. This reflects the “something you have” category of authentication, tying your identity to access rights in the system. While passwords are common for digital login, and guards are people, and keys are another form of physical token, the standard term for the credential used to gain entry at doors and gates is a badge or card.