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Viewing questions 151-165 out of questions

Questions # 151:

Which of the following descriptions about the snapshot backup of the OceanStor backup solution is correct: (multiple choice)

Options:

The snapshot function of the backup software can automatically discover the storage volume where the database and mail system are located, and initiate a quiescing of the application before the snapshot.

To trigger a hardware storage snapshot. The volume where the file system is located cannot be automatically discovered and needs to be configured separately.

After the snapshot is completed, you can choose to catalog and index the snapshot data (to ensure application-level recovery or small particle recovery).

Offline backup of snapshots. The backup adopts offline mode and does not occupy the resources of the production system.

After adopting snapshot backup, data can be recovered from the recovery layer and protection layer. The compliance layer has a special purpose and cannot be used for data recovery.

Expert Solution

Questions # 152:

When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?

Options:

Low

Medium

High

Very high

Expert Solution

Questions # 153:

The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)

Options:

OBS

MDS

PVS

Expert Solution

Questions # 154:

When designing a backup plan, if the application is not in the compatibility list, it cannot be backed up.

Options:

True

False

Expert Solution

Questions # 155:

Single-choice N8000 provides fencing function to avoid the occurrence of split brain. What is the incorrect description of fencing function below?

One item?

Options:

Monitor GAB. Well check the changes of cluster members

guarantees a single view of cluster members

Without single-cluster control. Prevent multiple nodes from accessing shared storage with the volume manager

Automatically restore the master node after an exception occurs in the cluster

Expert Solution

Questions # 156:

The following description of the Huawei OceanStor backup solution, which one is wrong

Options:

Compared with disaster recovery, the recovery granularity of backup is finer, files can be used as the recovery level, and multiple recovery versions can be made.

If the format of the source data and the backup data are the same, the backup data can be directly read and written by the host.

The backup software can back up data to tape for offline archiving.

Expert Solution

Questions # 157:

In the feature of Huawei OceanStor 9000 InfoEqualizer, a partition is a collection of a group of nodes. These nodes are used for partitioning.

Provides different services every other time, with the same dynamic domain name, static domain name and automatic load balancing characteristics.

Options:

True

False

Expert Solution

Questions # 158:

Single choice Which one of the following statements about the features of oceanstor 9000 InfoLocke is incorrect?

Options:

WORM file can be modified and deleted

WORM clock can only be set once, and no more changes are allowed after the setting is successful

When a directory is configured as the WORM root directory, all subdirectories, new directories and new files of the directory will automatically obtain the parent directory WORM attributes

WORM-protected submission method only supports automatic submission of

Expert Solution

Questions # 159:

Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices

Options:

Make full use of the existing network and save costs.

Does not affect the performance of the production host.

Good backup performance.

Both control data and backup data are transmitted through the business network.

Expert Solution

Questions # 160:

Which of the following storage nodes will configure an SSD as a read cache by default: (multiple choice)

Options:

P12

P25

C36

C72

Expert Solution

Questions # 161:

The following descriptions of the software features of the QceanStor 9000 system are correct:

Options:

file system supports a maximum of 40PB.

Data self-healing, the maximum recovery speed is up to 1TB/hour.

Each node has exclusive use of this node's cache.

supports thin provisioning and non-thin provisioning.

Expert Solution

Questions # 162:

Single-choice NAS system focuses on which of the following types of data storage and management?

Options:

large number of digging

file data

small data

connection data block

Expert Solution

Questions # 163:

Which of the following options belong to the function of the CMS cluster? (multiple choice)

Options:

Monitoring and management

Log collection

Alarm report

Firmware upgrade

Expert Solution

Questions # 164:

OceanStor9000 Wushan distributed file system, supports online node expansion, storage capacity and computing capacity increase linearly

Plus, and finally provide users with linearly increasing bandwidth and concurrency

Options:

True

mistake

Expert Solution

Questions # 165:

In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()

Options:

When creating a file system snapshot, because the snapshot is stored in a new location, the write operation will affect

Storage LUN write performance

After the file system snapshot is created successfully, if the file system user wants to access the snapshot, he must

The snapshot directory must be remounted to be accessible

File system snapshot is a copy of data generated by the source file system at a certain point in time

The core technology of file system snapshot implementation is ROW

Expert Solution

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