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Huawei H13-611_V4.5 - HCIA-Storage V4.5

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Total 536 questions

What are the current challenges of disaster recovery? (Multiple choice)

A.

Disaster recovery construction requires expensive investment

B.

Various applications and inconvenient management

C.

The cloudization trend of IT systems is becoming more and more obvious, and many virtual machines also need to provide protection. The current disaster recovery construction is lacking

Lack of unified management system

D.

Data sharing and other capabilities are limited by the physical location of the data, and applications and data cannot be separated, and agile applications and

Better disaster tolerance

In the following backup media, the order of unit capacity price from low to high is:

A.

Tape, CD/DVD, SSD, virtual tape library

B.

CD/DVD, magnetic tape, virtual tape library, SSD

C.

tape, CD/DVD, virtual tape library, SSD

D.

CD/DVD, SSD, tape, virtual tape library

If the disaster recovery center in the same city fails, the production center in cascading networking mode will lose all its backup sites.

A.

TRUE

B.

FALSE

Description 1: There is an interconnection line between the controllers of the storage system. If the controller is broken, it belongs to it.

The working controller of the managed LUN will be switched to a working controller.

Description 2: The working controller and home controller of a LUN must be unified into one controller.

A.

Description 1 is correct, description 2 is correct

B.

Description 1 is wrong, description 2 is correct

C.

Description 1 error, description 2 error

D.

Description 1 is correct, description 2 is incorrect

Database data belongs to structured data, and audio and video data belong to unstructured data.

The growth comes mainly from the rapid growth of unstructured data.

A.

TRUE

B.

FALSE

What is a measure of storage system performance?

A.

IOPS

B.

Bandwidth

C.

capacity

D.

Delay

From the perspective of the cloud computing business model, Huawei network disks belong to PaaS.

A.

TRUE

B.

FALSE

Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?

A.

About RTO, data level

B.

About RTO, data level

C.

About TCO, data level

D.

About TCO, business level

The following description of IOPS is wrong:

A.

How many times IO can be performed per second, each IO is fixed according to the size of the written data

B.

If the IO writes a large piece of continuous data every time the channel is changed infrequently, what is done every second at this time IO frequency is relatively low

C.

If the head frequently changes lanes, and the data written each time is relatively large, then the IOPS should be the lowest number of this disk value

D.

If the smallest data block is written each time under the condition of infrequent lane change, such as 512 bytes, then the IOPS will be the highest value

What are the following errors about OceanStor V3 features?

A.

Cloning provides physical full copy, incremental copy

B.

Cloning does not support cross-engine LUN cloning, the master-slave LUN must be under the same engine

C.

LUN copy can support data backup and migration within and between arrays (including homogeneous and heterogeneous)

D.

LUN copy supports incremental LUN copy, and LUN copy should be done offline

Is the following description about Quota tree correct?

A, Quota tree is a first-level directory under the file system

B. Only administrators can create, delete, rename, etc. through the command line or GUI management interface.

Users can delete the empty Quota tree

C, Quota tree can be renamed and deleted when sharing through agreement

D. Ordinary users can perform quota management on the number or capacity of files under Quota Tree

Use the CIFS protocol to access the share. When the share name and the user name are the same, the shared order of access is:

A.

Query the CIFS share first, if there is no matching share information, then query the Homedir share

B.

Query CIFS share, if there is no query, it will return failure

C.

Query Homedir share first, if there is no matching share information, then query CIFS share

D.

Query Homedir share, if there is no query, it returns failure

In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth.

A.

TRUE

B.

FALSE

A company has sufficient client server resources, but network resources are tight. Which deduplication strategy is suitable?

A, file-level deduplication

B. Byte-level deduplication

C, source deduplication

D. Deduplication on the target side

The data backed up by the differential backup is relative to the data added and modified after the last full backup.

A.

TRUE

B.

FALSE