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Which of the following special single options is mainly used for Huawei's two-site three-center disaster recovery solution?

A.

HyperMirror

B.

HyperMetro

C.

HyperClone

D.

HyperReplication

(single choice) In which of the following situations, the Huawei OceanStor 9000 system will not start load balancing?

A.

New node

B.

Add hard disk

C.

The hard disk is offline 3 times within 10 minutes

D.

Pre-failure of the hard disk

The data replication technology used for disaster recovery can not be selected in which location?

A.

Host layer

B.

Storage layer

C.

Network layer

D.

Drive layer

Backup strategy management does not include: single selection

A.

Backup time

B.

Back up the network

C.

Backup content

D.

Backup destination

Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?

A.

Project background

B.

Customer needs and refinement C. Project implementation plan

C.

Confirmation of the live network environment

(multiple choice) The basic principles of daily maintenance of big data storage systems include:

A.

Develop a reliable backup plan

B.

Keep spare parts on site for timely replacement in case of failure

C.

Use the resources and software provided by the original manufacturer

Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?

A.

Install dedicated data replication software on the server.

B.

Reduce the impact on server performance: Compatibility requirements are relatively high, and options are small.

C.

Mature technology, large selection area, small connection distance limit, and high stability.

D.

Less investment and good compatibility. Affect server performance.

(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:

A.

It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.

B.

Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.

C.

Improve system storage performance and realize intelligent data management.

D.

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.

The correct statement about the HyperMetro arbitration server model is: (multiple choice)

A.

A set of arrays and arbitration fail at the same time, and the surviving arrays continue to run services.

B.

In the arbitration server mode, when the heartbeat between the storage arrays is interrupted, the arrays at both ends initiate an arbitration request to the arbitration server, and the arbitration server is

The server comprehensively judges which side wins. The party that wins the arbitration continues to provide services, and the other party ceases to provide services.

C.

The arbitration fails, and the heartbeat link between the arrays is interrupted, and the service is not affected.

D.

In the arbitration server mode, if there is a requirement to obtain arbitration first, the site priority can also be configured.

(multiple choice) Which node types does Huawei OceanStor 9000 support?

A.

P12

B.

P25

C.

P36

D.

C36

Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)

A.

Primary and standby disaster recovery

B.

3DC

C.

Data center active-active

D.

Local high availability

In a data backup management system, in the case of low requirements for backup performance, it is not necessary to configure media services separately

The media server module and the management server module can be installed on the same physical server.

A.

True

B.

Wrong

(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash

The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger

IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.

A.

T

B.

F

In the data backup application scenario, which one of the following descriptions about the quality of the optical disc storage medium is wrong?

A.

It is suitable for scenarios that do not require high backup speed.

B.

Applicable to scenarios that require high backup capacity.

C.

Suitable for backup scenarios that do not need to be frequently erased.

D.

Data can be stored for a long time.

The production center has 2080GB of data, which needs to be backed up to the disaster recovery center. The backup window is 6 hours, no deduplication, bandwidth

The utilization rate is 0.8. At least how much bandwidth is needed to meet this backup requirement.

A.

A.49.28MB/s

B.

B.61.6MB/s

C.

C.98.56MB/s

D.

D.123.2MB/s