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H13-611_V4.5
HCIA-Storage V4.5 Questions and Answers

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Viewing questions 31-45 out of questions

Questions # 31:

There are two descriptions about backups:

Description 1: You can use the data backed up on the tape for data recovery at any time, but you can only recover to the backup moment

Historical data, not the data at the time of failure.

Description 2: Using tape as the backup medium is the highest RTO backup method.

Options:

description 1 is correct, description 2 is correct

Description 1 is right, description 2 is wrong

description 1 is wrong, description 2 is right

Description 1 is wrong, description 2 is wrong

Answer

Questions # 32:

In a Linux system, if the representation of a SCSI target is: 2:1:0:3, the following description is correct: (this question For multiple choice questions)

Options:

The device LUN ID is 3

The bus ID is 0

The target ID is 3

LUN ID is 0

Answer

A, B, C, D

Questions # 33:

The synchronous remote copy management module RM is software.

Options:

TRUE

FALSE

Answer

Questions # 34:

What value does thin provisioning technology bring to customers? (Multiple choice)

Options:

Improve storage resource utilization

Reduce the storage space occupied by data

Reduce the initial purchase cost

Reduce the overall TCO of the storage system

Answer

A, C, D

Questions # 35:

Which of the following descriptions of RAID technology are correct? (Multiple choice)

Options:

Not every RAID technology can improve write performance

In RAID 0, multiple hard drives are accessed simultaneously (parallel access), speeding up data access performance

The current RAID technology only uses the parity mechanism to protect the data

The performance of all RAID levels increases linearly with the increase in the number of member disks

Answer

A, B

Questions # 36:

OceanStor 5300 V3 is a dual-controller converged storage product, which must ensure the working controller and attribution control of the LUN

The controller is consistent.

Options:

TRUE

FALSE

Answer

Questions # 37:

The following description is correct: (multiple choice)

Options:

OceanStor V3 series products support 8 controllers, and the switching plane between the controllers is IP-based Scale-out interconnection

When the control frame of OCeanStor 5300 V3 is expanded from 2 to 4 controls, it can be directly connected or

Networking with switches

In the OceanStor V3 series of new-generation storage products, the back-end loops of the same SAS interface card can be mixed and connected

Ordinary disk enclosure and high-density disk enclosure

OceanStor V3 mid-range storage arrays use IP switches for interconnection, which has cost advantages. PCIe switches are dedicated

Switching, the cost is relatively high, mainly used in high-end storage

Answer

A, B, D

Questions # 38:

Regarding HUAWEI OceanStor storage dynamic tiered storage technology, which of the following descriptions is incorrect?

Options:

SmartTier calculates and analyzes the activity of data to determine the activity level of the data

SmartTier automatically and dynamically moves data to different performance storage media according to different activity levels of the data on

SmartTier data movement configuration-based data migration strategy

Data statistics, analysis and data migration of SmartTier features will affect business continuity and data availability

Answer

Questions # 39:

The difference between DAS and SAN, which of the following descriptions is wrong?

Options:

SAN redundant networking provides higher reliability

B, DAS and SAN are all external storage, so storage resource sharing can be easily achieved

C, DAS is suitable for small and medium-sized LAN environment with only a few servers

SAN is suitable for high-end storage application environments, such as key databases, centralized storage, large-scale storage, backup and

Disaster recovery and other scenarios

Answer

Questions # 40:

The following description of NAS is correct:

Description 1: NAS is always based on file sharing.

Description 2: The distance of the network connection affects the performance of the NAS.

A, Description 1 and Description 2 are correct.

B. Description 1 is correct, description 2 is incorrect

C. Description 1 is wrong, description 2 is correct

D, description 1 and description 2 are wrong

Options:

Answer

Answer:

Questions # 41:

The following description of the characteristics of the LAN-FREE backup method is incorrect:

Options:

The backup data stream does not occupy LAN resources

The backup proxy does not affect the performance of the application server

Backup performance is usually higher than LAN-BASED

Does not affect user network performance

Answer

Explanation

Resolution: The backup proxy will affect the performance of the application server.

Questions # 42:

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

Options:

TRUE

FALSE

Answer

Explanation

Analysis: Huawei network disk belongs to SaaS (software as a service) or STaaS (storage as a service).

Questions # 43:

What is wrong with the following description of NAS? (Multiple choice)

Options:

NAS devices can use cluster technology for failover

NAS provides a centralized management console, which can effectively manage the file system

Do not allow the NAS to be accessed by multiple clients at the same time

A client cannot connect to multiple NAS devices at the same time

Answer

C, D

Questions # 44:

Which of the following options is narrowly stored?

Options:

Disk

Disk array

Disk cabinet

Tape library

Answer

Questions # 45:

When a company's customers need to complete data migration between devices, what features can be used to complete? (Multiple choices)

Options:

Remote replication

LUN copy

SmartMigration

clone

Answer

A, B, C, D

Explanation

Analysis: SmartMigration (LUN migration): Ability to implement services on the source LUN without interrupting host services

Completely and transparently migrate to the target LUN, and use the target LUN to completely replace the source LUN after the migration is completed.

Perception. HyperReplication (remote replication): provides users with flexible and powerful data replication functions, through remote replication

The system can realize remote backup and recovery of data, continuous business data support, and disaster recovery of data. Includes sync remote

Replication and asynchronous remote replication. HyperClone (clone) can achieve LUN level without interrupting host business

The complete backup of data can be used in scenarios such as data backup and recovery, application testing and data analysis. HyperCopy (LUN

Copy) can copy the data in the source LUN to the local target LUN or the target LUN on other storage

Now data migration, distribution and backup.

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