Which of the following is an example of the second "A" in the AAA model?

A. The encryption protocol successfully completes the handshake and establishes a connection.
B. The one-time password is keyed in, and the login system grants access.
C. The event log records a successful login with a type code that indicates an interactive login.
D. A domain controller confirms membership in the appropriate group.

The second A in the AAA model is Authentication. Option B, where a one-time password is keyed in and the login system grants access, is an example of authentication. Hence the correct answer is option B

Explanation:

The second A in the AAA model stands for Authentication.

Out of the options given, option B is an example of the second A in the AAA model. When a one-time password is keyed in and the login system grants access, it verifies the identity of the user, which is a form of authentication.

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