Chapter 18
| 1: | What port does Cisco's implementation of TACACS use? |
| A1: | Answer: In Cisco, TACACS implementation is used over port 49 TCP only. |
| 2: | What port(s) does RADIUS use? |
| A2: | Answer: RADIUS can be implemented over port 1812 TCP/UDP and port 1813 TCP/UDP for accounting. The Cisco specification for RADIUS uses UDP only. In some implementations, RADIUS can also be deployed over port 1645. |
| 3: | Which group of ISAKMP is used by VPN Client 3.x? |
| A3: | Answer: VPN Client 3.x uses Diffie-Hellman group 2 of 1024 bits. |
| 4: | True or false: TACACS+ is not secure? |
| A4: | Answer: False. TACACS+ is very secure, because it encrypts a packet's entire payload. |
| 5: | True or false: RADIUS is more secure than TACACS+? |
| A5: | Answer: False. When compared with TACACS+, RADIUS is less ... |
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