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

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Total 536 questions

SCSI communication is initiated by the initiator and received and processed by the target. When the host and the storage device communicate, the storage device

The side assumes the role of initiator.

A.

TRUE

B.

FALSE

iSCSI encapsulates the SCSI command and data description block into the iSCSI protocol.

A.

TRUE

B.

FALSE

The advantages and disadvantages of the disaster recovery technology of the host layer, network layer and array layer, the following statement is correct? (Multiple choice)

A.

For host layer disaster recovery, host layer replication will occupy certain host resources, which will affect the application system

B.

The initial construction cost of network layer disaster recovery is relatively low, and many manufacturers can provide solutions

C.

Array layer disaster recovery, the arrays at both ends must be products of the same manufacturer, unable to solve the heterogeneous problem

D.

Host layer disaster recovery is implemented on the host side, without considering the compatibility between the underlying devices

In the RHEL 5 operating system, which command is used to mount the sdb5 device in the dev directory to the mnt directory

sdb5 directory?

A.

cat /dev/sdb5 /mmt/sdb5

B.

ln /dev/sdb5 /mnt/sdb5

C.

mount /dev/sdb5 /mnt/sdb5

D.

df /dev/sdb5 mnt/sdb5

The SCSI protocol is the basic protocol for host and disk communication. It is operated by the SCSI controller, the controller is equivalent

For a small CPU, it has its own command set and cache.

A.

TRUE

B.

FALSE

In Huawei OceanStor storage devices, coffer disks are an optional configuration because the write cache has mirrors, and

There is a backup power supply for the controller.

Cisco, Huawei, Oracle, Microsoft, Red Hat, National Soft Test and other certification exam services QQ 89246365

Taobao transaction test payment http://certpass.taobao.com

A.

TRUE

B.

FALSE

The cloud data center virtualizes storage, computing and network resources, and provides a virtualization platform for users to use.

A.

TRUE

B.

FALSE

Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct? (Multiple choice)

A.

When the device is powered off, the safe disk stores the data in the cache to prevent data loss

B.

When an unexpected power failure occurs, the BBU supplies power to the cache and safe disk

C.

Safe disk cannot be used to store user data

D.

Only the first two disks in the controller cabinet are used for safe disks

Can the following transmission protocols not use switches?

A.

iSCSI protocol

B.

SCSI protocol

C.

FC agreement

D.

FCoE agreement

A company uses the CIFS protocol for file sharing, and uses the Homedir sharing method according to the security policy.

All users access the folder and write space.

A.

TRUE

B.

FALSE

The dual-controller storage system generally contains a mirror channel, and data written to the storage system cache will be written through the mirror channel

Into the peer controller.

A.

TRUE

B.

FALSE

The steps of asynchronous remote replication multi-point technology, is the following statement correct?

(1) A new time slice (T2, P2) is generated in the cache of the master LUN and the slave LUN at the start of each replication cycle

(2) The newly written data of the host is cached in the time slice T2 of the main LUN Cache, responding to the completion of the host

(3) The master and slave LUNs each release the received data

(4) Copy the data of time slice T1 directly to the slave LUN and write it to the time slice P2 of the slave LUN

A.

(1) (2) (3) (4)

B.

(1) (3) (2) (4)

C.

(1) (2) (4) (3)

D.

(2) (1) (4) (3)

Description 1: The LUN is composed of multiple Extents in the storage pool.

Description 2: The LUN can contain one or more types of Extent.

A.

Description 1 is correct, description 2 is correct

B.

Description 1 is correct, description 2 is incorrect

C.

Description 1 is wrong, description 2 is correct

D.

Description 1 error, description 2 error

The initial capacity allocation strategy of HUAWEI OceanStor storage system defaults to automatic allocation.

A.

TRUE

B.

FALSE

Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.

A.

TRUE

B.

FALSE