Which two reasons may be the cause for the error code?

Upon arriving at work on a Monday, an administrator sees several replication jobs that have failed with the following error message:

no images were successfully processed

Which two reasons may be the cause for the error code? (Choose two.)
A . The checkpoint restart is disabled for the replication jobs.
B . There are network connectivity issues between the source and target domains.
C . The NetBackup host ID-based certificate was revoked.
D . There is insufficient storage space on the target storage server.
E . There are insufficient tapes in the replication volume pool.

Answer: BD