H13-624 Online Practice Questions and Answers

Where is the shared mapping table of HyperSnap stored?

A. COW Data

B. Source LUN

C. Snapshot LUN

D. Cow Meta

Huawei Distributed Storage Block Service provides a snapshot mechanism to save the state of the user's data volume at a certain point in time. In the future, it can be used to export data and restore data later.

A. True

B. False

Which options are correct in the following statements about the features of Huawei SmartPartitian ()

A. The SmartPartition feature is effective for both block business and file business

B. Support setting SmartPartition in units of business LUNs

C. The resources of each SmartPartition can only be accessed independently

D. Support users to set the capacity of read cache and write cache for each SmartPartition partition

Regarding the features of the multiple NameNode functions of Huawei's distributed storage products, which of the following statements is correct? ()

A. Only one Active NameNode provides metadata services

B. NameNode is the metadata request processing node of HDFS

C. NameNode switch will cause metadata service interruption

D. NameNode is the HDFS data read request processing node

In CIFS file sharing, when the client adopts the SMB3.0 protocol, in a single connection channel after failure, SMB3.0 Multichannel automatically uses other channels to continue to transmit data.

A. True

B. False

InfoReplicator supports splitting the Pair, that is, temporarily suspending the data between the master and slave directories Synchronize. If the user wants to restore the data synchronization of the Pair and re- maintain the same data in the master and slave directories, they only need to create a new one manually.

A. True

B. False

Single-choice NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission

A. True

B. False

Single choice If the Huawei N8000 clustered NAS system has 6 engine nodes and 4 5500T back-end storage, each engine node has 8 business network ports, how many IP addresses need to be planned in total?

A. 103

B. 104

C. 105

D. 106

Regarding the split of remote replication, which of the following statements is correct?

A. Splitting can only be performed on the main-end array

B. Splitting can be performed on both the master and slave end arrays

C. Splitting can only be performed on the slave array

D. After executing the split on the master array, it is necessary to execute the split on the slave array again

Which of the following statements about global data deduplication is incorrect: Single selection

A. Multiple deduplication copies with different storage strategies use the same DDB.

B. Multiple deduplication copies with different storage strategies use the same disk library and deduplication properties.

C. Multiple deduplication copies with different storage strategies use the same deduplication pool as the backup target.

D. The backup data retention period of multiple different storage strategies needs to be the same

Among the following backup media, the ones that support data deduplication are: (multiple choice)

A. S2600 V3

B. N8500

C. OceanStor6800 V3

D. FusionStorage

The system debug log level is used to identify the severity and importance of a log, and eReplication is ranked according to the severity. The order of decrement can divide the system debug log into the following 4 levels: error, warning, operation, and debugging.

A. True

B. False

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 disadvantages of choosing cloud storage as a backup medium are: (single choice)

A. Capacity is not easy to expand

B. Backup media needs to be managed

C. Need high bandwidth network

D. Not easy to deploy

The following options do not belong to the advantages brought by the global cache:

A. Improve cache space utilization

B. Improve cache data access hit rate

C. Improve overall system performance

D. Improve system safety and reliability