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Huawei H13-624 - HCIP-Storage V5.0

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Total 731 questions

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.

A user plans to deploy an active and standby disaster recovery system. The distance between the active and standby sites is about 1000KM. The RPO is required to be less than 1 minute.

It is recommended to use asynchronous remote replication.

A.

True

B.

False

(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?

A.

NIS authentication

B.

LDAP authentication

C.

Client IP address/host name authentication

D.

Local user authentication

(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?

A.

CPU usage

B.

User Group

C.

Number of node connections

D.

Node throughput

(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

(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots?

A.

InfoLocker

B.

InfoStamper

C.

InfoProtector

D.

InfoEqualize

(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

Huawei's end-to-end active-active data center solution is divided into 6 logical levels, namely storage layer, computing layer, application layer, and network layer.

Network layer, transport layer and security layer, the design points of each layer include: (multiple choice)

A.

The security layer provides security protection functions such as FW and IDS of the data center through the Huawei USC series.

B.

The storage layer optimizes the standard 1 write I/O 2 round trips to 1 round trip through the FastWrite function to improve write performance.

C.

The computing layer adopts virtualization platforms such as Huawei FusionSphere and VMware to provide cross-data center large cluster technology to meet the needs of enterprises A variety of key business dual-active requirements.

D.

The transmission layer uses dispersion compensation and other tuning methods to ensure the minimum delay of the transmission layer.

The Huawei 3DC disaster recovery management network is divided into a disaster recovery management network and a production management network, and these two networks must be deployed separately.

A.

True

B.

False

What thresholds can be set for eReplication? (multiple choice)

A.

CPU utilization

B.

Memory utilization

C.

Hard disk utilization

D.

Band width

In the use of OceanStor BCManager eReplication for disaster recovery switchover and fallback testing, the production end and disaster recovery

Both end arrays must support the snapshot feature.

A.

True

B.

False

For a replication consistency group in a normal state, before performing a master-slave switchover, what operations need to be performed on the replication consistency group?

indivual?

A.

Cancel write protection from the end

B.

Adjust the recovery strategy to manual

C.

Split

D.

Switch directly without any operation

(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes, and the customer hopes that even if three disks are broken in one strip, the data can still be restored. The available redundancy protection levels are as follows:

A.

4+3:1

B.

6+3

C.

4+2

D.

12+3:1

During the installation of Commserver, if cS and Agent are on the same network segment, there is no need to configure the hosts file.

Pieces.

A.

True

B.

False

Which one of the following statements about synthetic full backup is wrong? (single choice)

A.

On the backup server or media server, combine the previous full backup and other incremental or differential backups to generate a full backup.

B.

Since the full backup is generated on the backup server, there is no pressure on the application server.

C.

The backup space occupied is as large as the full backup.

D.

The recovery time is longer than the full backup time.