Which two UDP port numbers may be used for server-based AAA RADIUS authentication? (Choose two.)
- 1812
- 1645
- 1813
- 1646
- 49
Explanation: RADIUS authentication and accounting utilize the following UDP port numbers:
UDP port 1645 or 1812 for authentication
UDP port 1646 or 1813 for accounting
TACACS+ uses TCP port 49.
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