HCIE-Storage V3.0 Practice Questions & Answers • ExamPrepare

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Question 1

An enterprise plans to build a backup system using the LAN-free backup network architecture. Which of the following statements are true?

The core of the LAN-free architecture is to bypass the LAN and use SAN to transmit backup data.
Backup data is directly read from the storage device without passing through the production server and LAN.
The backup storage must support the iSCSI or FC protocol.
No backup agent needs to be installed on the application server.

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Question 2

The dynamic RAID technology of Huawei OceanStor Dorado all-flash storage systems uses the erasure coding (EC) algorithm. In all-SSD configurations, the number of chunks (CKs) in a chunk group (CKG) can be dynamically adjusted. If a CK is faulty and no new block is available from disks outside the storage pool, the system dynamically reconstructs data in the original N + M stripes to the new (N – 1) + M stripes. When new SSDs are inserted, the system reconstructs the CKG and dynamically migrates data from the (N – 1) + M stripes to the new N + M stripes.

TRUE
FALSE

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Question 3

In the block service of OceanStor Pacific scale-out storage, which of the following modules manages storage space and establishes the index relationship between data and storage space?

Virtual Block Service (VBS)
Metadata Controller (MDC)
Object Storage Device (OSD)
Enterprise Data Service (EDS)

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Question 4

A financial customer has purchased multiple Huawei flash storage devices for service deployment. Which of the following statements is false about service system I/O characteristics in financial scenarios?

The OLTP database mainly involves random small I/Os and a few sequential write I/Os. There are more reads than writes, and hot data areas are obvious.
The OLAP database mainly involves sequential read of large I/Os. The amount of data processed per batch determines hot data areas.
Document imaging services mainly involve sequential read of large I/Os, a few metadata operations, and 90% GB-level large file write operations.
Backup and archiving services mainly involve sequential large I/Os. Writes are involved in backup and archiving services, and reads are involved in restoration services.

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Question 5

When a storage engineer uses OceanStor BCManager eReplication to configure planned migration based on LUN protection, an error message is displayed indicating that the storage device is not connected to the initiator. Which of the following are possible causes of this fault?

The connection between eReplication and the service host is abnormal.
The eReplication Agent is not installed on the service host.
The required multipathing software is not installed on the service host.
The file system of the VM where the management node resides is damaged.

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Question 6

In Huawei all-flash storage, there are two classifications of space reclamation: full and partial. Which of the following operations are performed in partial space reclamation?

Remove the to-be-reclaimed LUN from the owning LUN group.
Scan for disks on the host.
Uninstall UltraPath.
Delete zone or VLAN configurations from the switch.

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