Which command meets these requirements?

Refer to the exhibit.

A network engineer requires remote access via SSH to a Cisco MDS 9000 Series Switch. The solution must support secure access using the local user database when the RADIUS servers are unreachable from the switches.

Which command meets these requirements?
A . aaa authentication none
B . aaa authentication login default group radius
C . aaa authentication login default group local
D . aaa authentication login default fallback error local

View Answer

Answer: D

Explanation:

The command ‘aaa authentication login default fallback error local’ is used to ensure that if RADIUS servers are unreachable, the system will fall back to using the local user database for SSH access to the Cisco MDS 9000 Series Switch.

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guides/security/nx-os/sec_cli_6-x/cradtac1.html