Online Access Free H13-623-ENU Exam Questions

In data backup scenarios, which are characteristics of disk backup devices, compared with physical tape libraries? (Multiple Choice)

• A.The unit storage cost of a disk is lower than that of a physical tape.
• B.The management and maintenance costs are low.
• C.Disks where data is stored can be separated from the device that reads and writes data to these disks, implementing offline storage of data
• D.The backup and restoration performance is high.

A disaster recovery system can copy service data to a local or remote data center for protection.
In which scenarios the disaster recovery system cannot restore data? (Multiple Choice)

• A.Misoperation
• B.Disk failure
• C.Breakdown of the service data center
• D.Virus attack

In the Huawei DR Solution, at which layers can be replication performed? (Multiple Choice)

• A.Host layer
• B.File system layer
• C.Storage layer
• D.Network layer

Which of the following statements about the OceanStor Backup Solution are correct? (Multiple Choice)

• A.The backup solution involves the central, branch, and remote DR sites.
• B.A backup management system mainly consists of backup software and a backup management server.
• C.Backup nodes and backup storage media are separated from each other.
• D.Web-based management is not supported.

Which of the following statements is correct about the Huawei Network-Layer Remote Replication Solution?
1. Network-layer remote replication uses network devices to mask the heterogeneous nature of disk arrays at the primary and secondary centers so that remote replication can be implemented between the disk arrays.
2. In the production center, data is written to both the log volume and production volume, but in the DR center, data is just written to the production volume.

• A.Statement 1 is false. Statement 2 is false.
• B.Statement 1 is false. Statement 2 is true.
• C.Statement 1 is true. Statement 2 is true.
• D.Statement 1 is true. Statement 2 is false.