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What is enabled by default on Cisco IOS-XR routers and cannot be disabled?

Posted: Sat Jul 23, 2022 7:19 pm
by answerhappygod
What is enabled by default on Cisco IOS-XR routers and cannot be disabled?

A. SSH server
B. Multicast routing
C. IPv4 and IPv6 CEF
D. IPv6 routing
E. CDP
F. BFD