Which solution must the design include for high availability if the routing process on R2 requires maintenance?

exams 300-420 V2 300-420 exam 0 Comments

Refer to the exhibit

A customer requires maximum uptime for the data plane between R1 and R3 running OSPF.

Which solution must the design include for high availability if the routing process on R2 requires maintenance?
A . BFD on all routers
B. nonstop forwarding on R1 and R3
C. nonstop forwarding on R3 only
D. graceful restart on all routers

Answer: B