When a customer uses simpana software, CS can not start normally and you need to recover the CS. Which of the following situations will cause the restoration to fail?

A. The backup server and the media server can not communicate properly.

B. The link between the backup media and the media server is down.

C. Backup server SQL database failure.

D. DDB is abnormal.

The InfoEqualizer DNS IP address needs to be the same as the OceanStor 9000 front-end network and customer application network for network interoperability

A. Correct

B. mistakes

When using lvm to create a mirrored logical volume, you should choose what kind of log file to save in order not to impact performance and quickly recover from a single drive failure?

A. store the log in memory

B. Store the log in any one of the two PVs

C. Store the log in the third PV of the current VG

D. Save the log in another VG pv

When the oracle database is in an open state, which of the following is the correct oracle database recovery action?

A. Restore the entire data file

B. roll back to the Council before crying to a certain point in time

C. Recovery control file

D. open state can not be restored action

In deploying a backup network, in order to guarantee the best performance that can be brought to the iSCSI network, which the following statements are correct (multiple choice)

A. try to deploy the backup network in the LAN

B. On the switch, divide the backup network into separate VLANs

C. try to avoid the backup network via the routing transmission

D. GE bandwidth has often been the performance bottleneck backup performance, consider the use of network card binding to increase the backup network bandwidth