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Questions # 1:

Hyper-convergence is a data center architecture that can uniformly collect computing capacity, file storage, memory, and network, and is like a public entity.

Independent management.

Options:

True

False

Expert Solution

Questions # 2:

The following single-choice descriptions that do not belong to the features of the horizontally extended file storage function are:

Options:

Distributed metadata management, supports linear expansion of 3~4000 nodes.

Self-developed distributed file system OceanStor DFS supports massive unstructured data storage and realizes a global unified namespace. C. Provide object storage service, compatible with Amazon S3 interface and compatible with OpenStack Swif interface.

Supports integration with FusionInsight Hadoop/Cloudera Hadoop packaged by open source Hadoop components, allowing users to

Users can easily build an enterprise-level big data analysis platform.

Expert Solution

Questions # 3:

In the application scenario of sequential writing, for RAID10, the more single-select disks, the better.

Options:

True

False

Expert Solution

Questions # 4:

Huawei’s hybrid flash storage supports the integration of NAS and SAN. The software protocol stacks of the two single-selection are completely parallel. In terms of resource allocation and

Convergence on the management plane.

Options:

True

False

Expert Solution

Questions # 5:

When using the InfoLocker feature for file protection, multiple file selections can be changed between which states

Options:

Protection expired

Protection status

Unprotected state

Additional status

Expert Solution

Questions # 6:

Which options are correct in the following statements about the features of Huawei HyperVault ()

Options:

Support to generate local backup snapshots in seconds to obtain consistent data copies

Support custom backup strategy and copy threshold

Support both block storage and file system

When backing up in a remote location, only the initial full backup is performed, and only the incremental data is backed up later

Expert Solution

Questions # 7:

The following description of the characteristics of the DME architecture, which is correct to choose more ()

Options:

Can only take over Huawei storage devices

Fully open the system in the north-south direction, and provide RESTful, SNMIP, and ecological plug-ins (such as Ansible, etc.) in the north direction

Docking with the upper-level system, southbound SNMP, RESTful, etc. Open interface protocol docking storage

Distributed microservice architecture, high reliability

Supports the management of large-scale storage devices, a single node can manage 16 storage

Expert Solution

Questions # 8:

Large e-commerce company A uses Huawei hybrid flash storage to ensure its core business. Regarding the chip technology used in it, the following

Which statement is correct ()

Options:

Front-end transmission, smart network card chip supports 32G FC, 100G Ethernet protocol processing to realize hardware offloading

Intelligent management chip, built-in security encryption engine

SSD memory chip, the core FTL algorithm is built into the self-developed chip, and the chip directly confirms the information such as the reading and writing position

Controller Kunpeng 920 chip is not only a CPU, but also integrates three chips of south bridge, network card, and SAS controller

Expert Solution

Questions # 9:

A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and enabled the read and write fault tolerance of the InfoRevive feature

The mode provides data fault tolerance and configures the data protection level of EC to 4+1. If 2 pieces of data are invalid,

How does InfoRevive feature guarantee business continuity and availability

Options:

For the write operation, only 3 copies return a write success response, and the 2 copies that fail to write are no longer filled with 0s, and they are processed according to the striped write success.

For the read operation, the system only successfully read 3 copies, and returns 3 copies of data that were successfully read, and the 2 copies that failed to read are all filled with 0s.

For the read operation, the system only successfully read 3 copies, and returns 3 copies of successfully read data, and the 2 copies that failed to read pass the check data recover

For the write operation, only 3 copies return a write success response, and the 2 copies that failed to write are all filled with 0s, and the write succeeds according to the section

Expert Solution

Questions # 10:

Which of the following statements about snapshots is correct

Options:

Snapshot is the newly written data

Snapshot refers to a consistent data copy of source data at a certain point in time

Snapshot data can only be read by the host and cannot be changed

Snapshot is a physical copy of the complete source data

Expert Solution

Questions # 11:

An engineer needs to perform a snapshot rollback operation to obtain source data at a certain time in the past. Regarding this operation process, which of the following statements are

correct()

Options:

If the data is rolled back to the snapshot at time A, the snapshots created after time A will be deleted

Snapshot rollback speed can reach the second level

If the data is rolled back to the snapshot at time A, the snapshots created after time A will not be deleted

Snapshot rollback is a full copy recovery of the source data at a certain point in time

Expert Solution

Questions # 12:

An enterprise has multiple applications such as desktop cloud, database, video-on-demand application, backup, etc., which occupies a large amount of storage resources.

Plan to enable deduplication and compression features. Which of the following options are recommended for configuration

Options:

It is not recommended to configure the deduplication compression feature for video-on-demand scenarios, because the video file has been compressed by the application software.

Low compression efficiency

It is recommended to configure the compression feature for database scenarios, because the amount of data that needs to be stored is large

It is recommended to configure the deduplication feature in desktop cloud scenarios, because there are more duplicate data between multiple virtual images

It is not recommended to configure the data deduplication feature for backup scenarios, because the backup data needs to be kept intact

Expert Solution

Questions # 13:

A company uses Huawei Distributed Storage Block Service to run data services, and the development team needs to use business data for

Data mining and testing without affecting business data. Which of the following descriptions are correct

Options:

The source data and the cloned data each evolve into two different data

Create a clone based on the volume/snapshot, read and write the clone

Generate a snapshot of the data to be tested at a certain point in time

Create a clone of the snapshot and use the clone to test

Expert Solution

Questions # 14:

.An enterprise has applications such as key performance applications, mainstream commercial applications, archiving and printing services, and each application is independent, in order to ensure business priority

You can use SmartMulti-Tenant technology to create tenants for different businesses, and set each

Storage resources of the tenant's vStore

Options:

True

False

Expert Solution

Questions # 15:

The InfoTier feature stores files in different classifications according to the difference of file attributes. Which options are not the basic list that constitutes a classification?

Bit()

Options:

Disk Group

Storage pool

Node pool

Disk domain

Expert Solution

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