An EMC Avamar customer is deploying a backup solution consisting of two EMC Avamar servers (server A and server B) with replication.
Which configuration provides seamless server failover capability?

A.
All clients back up to Avamar server A and backup data is replicated to Avamar server B using root-to-root replication.

B.
Clients of server A replicate to Avamar server B and clients of Avamar server B replicate to Avamar server A using Normal replication.

C.
Using root-to-root replication, clients of Avamar server A replicate to Avamar server B and clients of Avamar server B replicate to Avamar server A.

D.
All clients back up to Avamar server A and backup data is replicated to Avamar server B using Normal replication.