— Exhibit — — Exhibit — Click the Exhibit button. Referring to the exhibit, which statement is
correct?

A.
The system is NSR ready and a switchover should be hitless to the BGP control and data
plane.

B.
The system is not yet GRES ready, you need to wait for kernel synchronization to
complete.

C.
An RE switchover is likely to result in BGP disruption, but no dataplane impact will be
seen.

D.
An RE switchover is likely to result in BGP disruption which will also effect the dataplane.