Question

Access control systems (ACS) ensure that only authorized personnel gain access to controlled areas. Entry authorization identifiers are grouped into what three categories?

Answer 1

Access control systems (ACS) use three categories to group entry authorization identifiers: something you know, something you have, and something you are.

Step-by-step explanation:

Access control systems (ACS) use three categories to group entry authorization identifiers:

1. Something you know:

This category includes knowledge-based factors such as passwords or PINs. For example, entering a username and password to access a computer system.

2. Something you have:

This category includes possession-based factors such as smart cards or key fobs. For example, using an access card to unlock a door.

3. Something you are:

This category includes biometric factors such as fingerprints or iris scans. For example, using a fingerprint scanner to authenticate a user.