Which two protocols are used to provide server-based AAA authentication? (Choose two.)

Which two protocols are used to provide server-based AAA authentication? (Choose two.)

• 802.1x
• SSH
• SNMP
• TACACS+
• RADIUS

Explanation: Server-based AAA authentication uses an external TACACS or RADIUS authentication server to maintain a username and password database. When a client establishes a connection with an AAA enabled device, the device authenticates the client by querying the authentication servers.

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