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Which of the following storage units does the Huawei N8000 cluster NAS system use?

A.

S2200T

B.

S2600T

C.

S550T

D.

S6800T

Single-choice Huawei oceanstor 9000, the client processing the write request will fragment the data according to the protection level specified by the file

The data piece is written to the power-saving memory on the corresponding node, and the check data piece is calculated by each node and written to each node.

Power-saving memory, after all nodes write into power-saving memory successfully, this write operation is successful.

A.

True

B.

wrong

More than IDC's description of big data characteristics. Which of the following is correct?

A.

Volume- huge amount

B.

OVrety-diversity

C.

Value value density

D.

Velocity-speed

What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)

A.

Remote replication

B.

Snapshot

C.

NDMP backup

D.

HtyperMetro

Single choice Network connection is required before the initial configuration of the big data system. The networking of Huawei Oceanstor9000 does not include

A.

Front-end business network

B.

back-end storage network

C.

Management network

D.

heartbeat network

In global deduplication, multiple deduplication copies of different storage strategies use the same deduplication pool as the backup target, which of the following

Items need to be the same? (multiple choice)

A.

DDB

B.

Disk Library

C.

Duplicate attributes

D.

Retention period

The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all

A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.

A.

True

B.

False

Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)

A.

Reasonably plan users

B.

Manage and monitor users

C.

Statistics and view users

The deduplication types supported by the Huawei OceanStor integrated backup solution are: (multiple choice)

A.

Source end deduplication

B.

Target end deduplication

C.

Global deduplication

D.

Parallel deduplication

In the HyperMetro active-active data center solution, if there is a bad block on a member LUN of an array, the following statement is incorrect

Which is it?

A.

When repairing a bad block, you must first apply for read permission and confirm the local read permission of the active-active pair.

B.

When reading the local LUN of the array, if the bad block is read, if the error cannot be repaired, the host read error message will be returned.

C.

When reading the local LUN of the array, after reading the bad block, if the error is repairable, return the read data to the host to ensure

Fast return of host response.

D.

When reading the local LUN of the array, after reading the bad block, if the error cannot be repaired, the system will

The data is repaired.

The quota types supported by OceanStor9000 InfoAllocator are:

A.

Capacity quota

B.

File quota

C.

Calculate quota

D.

Mandatory quota

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

A.

Monitoring and management

B.

Log collection

C.

Alarm report

D.

Firmware upgrade

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

A.

WORM file can be modified and deleted

B.

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

C.

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

D.

WORM-protected submission method only supports automatic submission of

When maintaining the N8500 clustered NAS, I cannot log in to the N8500 clustered NAS system with the master account. It is possible

The reasons are: ()

A.

console IP conflicts with other IPs in the network.The network port where the

B.

console IP is located is not connected to the network cable or is in the showdown state

C.

User name and password are modified

D.

There is a heartbeat link failure

What is wrong about managing fast storage resources in the following options:

A.

The administrator can view the volume resource information created by business group users or administrators.

B.

The administrator can create, view, and delete block storage service levels.

C.

When the volume resource status is not updated in time, the administrator can update it manually.

D.

Storage resources are distributed to users through the block resource pool. The administrator can view and modify the information of the resource pool or delete the resource pool.