Which statement accurately describes Cisco NSF?

Which statement accurately describes Cisco NSF?
A . To configure NSF for an OSPF routing environment, all Area 0 devices and ABRs must be NSF-aware and must be configured for OSPF graceful restart.
B . To configure NSF for an IS-IS routing environment, only L1 routers must be NSF-aware and must be configured for IS-IS graceful restart.
C . To configure NSF for a BGP routing environment, all neighboring devices must be NSF-aware and must be configured for BGP graceful restart.
D . To configure NSF for an IS-IS routing environment, only L2 routers must be NSF-aware and must be configured for IS-IS graceful restart.

View Answer

Answer: C

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ha/configuration/xe-3s/ha-xe-3s-book/ha­config-nonstop-forwarding.html