Implementing and Configuring Cisco Identity Services Engine (SISE) — Question 117

What are two differences of TACACS+ compared to RADIUS? (Choose two.)

Answer options

• A. TACACS+ uses a connectionless transport protocol, whereas RADIUS uses a connection-oriented transport protocol.
• B. TACACS+ encrypts the full packet payload, whereas RADIUS only encrypts the password.
• C. TACACS+ only encrypts the password, whereas RADIUS encrypts the full packet payload.
• D. TACACS+ uses a connection-oriented transport protocol, whereas RADIUS uses a connectionless transport protocol.
• E. TACACS+ supports multiple sessions per user, whereas RADIUS supports one session per user.

Correct answer: B, D

Explanation

The correct answer is B and D because TACACS+ encrypts the full packet payload, providing greater security than RADIUS, which only encrypts the password. Additionally, TACACS+ operates over a connection-oriented transport protocol, in contrast to RADIUS, which uses a connectionless protocol. The other options incorrectly describe the encryption and transport characteristics of TACACS+ and RADIUS.