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In the Huawei HyerMetro active-active solution, when the active-active data center link fails, it will enter the "waiting for synchronization" state.

To quickly restore services, you can choose to force start the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active business status

Will enter "normal".

A.

True

B.

False

The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.

Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order

A.

One-segment large block sequential write makes full use of SAS bandwidth to reduce garbage collection

B.

Multiple discrete data blocks are aggregated into a continuous

C.

Big data blocks Big data blocks are sequentially written to the SSD

D.

The controller perceives the data layout in the SSD

Among SATA SSD, SAS SSD, NVMe SSD, NVMe supports the highest IOPS

SSD

A.

True

B.

False

Among the following multiple-choice statements about concepts related to the HyperReplication feature, which options are correct ()

A.

Synchronization refers to the process of copying data from the slave LUN to the master LUN

B.

Pair refers to the data replication relationship between the master LUN and the slave LUN

C.

Consistency group refers to the collection of Pairs associated with multiple businesses

D.

Split refers to the suspension of data synchronization from the primary LUN to the secondary LUN

Designed FlashLink technology. Which of the following statements are correct for the cold and hot data diversion technology ()

A.

Effectively reduce in-disk garbage collection

B.

Metadata and data are stored in separate partitions

C.

Synchronously execute independent partitions of different types of data in the controller and the SSD disk

D.

The controller automatically senses the data layout in the SSD disk

(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.

A.

True

B.

False

Regarding deduplication on the target side, which option is incorrect in the following description?

A.

The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.

B.

Do not occupy the resources of the source.

C.

Target end deduplication is equivalent to post-processing deduplication (Post-processig).

D.

Can not save transmission bandwidth.

Which of the following statements about backup networking LAN-free and Server-free is correct?

A.

Server-free generates a copy during data backup, and the copy will be mounted to the backup server.

B.

Server-free networking can directly back up the backup data to the backup medium.

C.

LAN-free backup networking has no impact on production hosts.

D.

The path of LAN-free backup data stream is production storage -> backup server -> backup media.

In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (multiple choice) E. You only need to connect Huawei OceanStorV3 storage to the business host.

F. Both Huawei OceanStorV3 storage and heterogeneous storage need to be connected to the business host.

G. Heterogeneous storage does not need to be connected to the business host

H. You only need to connect heterogeneous storage to the business host.

VADP backup mode does not include: single selection

A.

SAN

B.

NAS

C.

NBD.

D.

Hot-Add

In the Huawei data protection plan, the failure types are divided into multiple selection logic errors, equipment failures, data center failures, and zone failures.

Territorial disaster. Among them, the ones with the highest "annual frequency" and "single loss" are: (multiple choice)

A.

Logic error

B.

Equipment failure

C.

Data center failure

D.

Regional disaster

(multiple choice) The network file sharing protocols supported by the NAS system mainly include:

A.

FAT32

B.

NTFS

C.

NFS

D.

CIFS

(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.

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