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H13-611_V4.5 Sample Questions Answers

Questions 4

SAS uses a point-to-point connection design to enable a dedicated link to be established between two devices in the communication.

Options:

A.

TRUE

B.

FALSE

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Questions 5

When deploying random small IO-based database services on storage, which RAID type should be appropriate? for

what?

Options:

A.

RAID 10, no write penalty

B.

RAID 5, no write penalty

C.

RAID 10, no read penalty

D.

RAID 5, no read penalty

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Questions 6

The following description of common storage protocols is correct?

Options:

A.

The ATA protocol uses a parallel interface, which can only be built-in and requires cable length

B.

The SCSI protocol does not support hot swap

C.

A SAS domain can connect 15 devices

D.

FC protocol has good compatibility and long transmission distance

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Questions 7

Xiao Wang, an employee of a company, did the following in the company's storage system: 9:00 Take a snapshot of LUN A and activate it

Alive, all the data of the snapshot LUN and the source LUN were modified at 10:00, and the snapshot was rolled back at 11:00.

The following instructions are correct? (Multiple choice)

Options:

A.

The data in the copy space before COW is 9:00 LUN A

B.

The data in the copy space before COW is 10:00 LUN A data

C.

The data of the source LUN is the modified data at 10:00

D.

After the snapshot is rolled back, the data of the source LUN becomes the data of the modified snapshot LUN at 10:00

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Questions 8

Hybrid cloud is a solution that uses both private and public clouds.

Options:

A.

TRUE

B.

FALSE

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Questions 9

Statement 1: Port zoning is preferred for zoning a FC switch when there are a lot of changes to the patch points.

Statement 2: Alias zoning is a user friendly version of soft zoning.

Options:

A.

Statement 1 and 2 are true

B.

Statement 1 is true; Statement 2 is false

C.

Statement 1 is false; Statement 2 is true

D.

Statement 1 and 2 are false

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Questions 10

Regarding the traditional model and cloud computing model, high reliability in the data center and cross-data center disaster recovery methods, the following says

What is wrong?

Options:

A.

In the traditional mode, the data center relies on component redundancy to achieve high reliability

B.

In the cloud computing mode, the data center relies on component redundancy to achieve high reliability

C.

In the traditional model, cross-data center disaster recovery is mainly based on copying business data, and the recovery process is complicated and the recovery period is long

D.

In the cloud computing mode, cross-data center disaster recovery is the replication of all data in the business data and operating environment.

Simple recovery process and short recovery period

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Questions 11

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

Options:

A.

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

B.

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

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Questions 12

Which of the following descriptions of RAID 1 is incorrect?

Options:

A.

RAID 1 writes data to each member disk, the data on each member disk is the same

B.

RAID 1 is verified by XOR algorithm

C.

Normally, RAID 1 reads data from data disk and mirror disk

D.

When the data of some member disks is damaged, RAID 1 allows it to quickly recover data from other member disks

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Questions 13

In a traditional RAID group, when a certain number of hard drives fail, the entire RAID group can prevent data loss, and

The data recovery process has not been started. What is the status?

Options:

A.

Normal work

B.

Downgrade

C.

invalid

D.

Refactoring

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Questions 14

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.

Options:

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

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Questions 15

FCoE is a transmission protocol standard that encapsulates frames in FC in lossless Ethernet and is used to form storage networks

Network.

Options:

A.

TRUE

B.

FALSE

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Questions 16

According to the changes in the amount of backup data, the types of backup can be divided into:

Options:

A.

Real-time backup

B.

full backup

C.

incremental backup

D.

differential backup

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Questions 17

A device can have one WWPN but multiple WWNN's.

Options:

A.

TRUE

B.

FALSE

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Questions 18

The multipath load balancing strategy used by HUAWEI OceanStor storage products is the default?

Options:

A.

Polling

B.

Minimum queue depth

C.

the minimum task

D.

Minimum IO number

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Questions 19

What is wrong with the following statement about disaster recovery drills? ,

Options:

A.

Perform exercises in accordance with the actual disaster recovery steps

B.

Familiarize yourself with the disaster recovery process through disaster recovery, and exercise business recovery capabilities for disaster

C.

Through disaster recovery exercises, the integrity of the business cannot be checked

D.

Disaster recovery exercises are verification and the most effective means to prove system availability

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Questions 20

What conditions should be considered for device backup bandwidth? (Multiple choice)

A, the size of the initial data

B. The daily quantity increment

C. Backup cycle

D. Backup staff

Options:

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Questions 21

A host connected to a switch port cannot belong to multiple zones, but can only be divided into a zone

in.

Options:

A.

TRUE

B.

FALSE

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Questions 22

Is the following statement correct?

Options:

A.

After using RAID 5 with 6 200G hard drives, the available space is 1200G

B.

NL SAS/SATA hard disks are suitable for data protection using RAID 6, and SAS hard disks are suitable for data protection using RAID 5.

According to protection

C, S2200 V3 can support SSD, SAS, SATA hard drives

C.

OceanStor V3 series products support RAID 0/RAID 1/RAID 5/RAID 10, but not RAID 6

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Questions 23

In HUAWEI OceanStor V3,what statement is true about SmartThin LUNs?

Options:

A.

Space will be reclaimed in all Windows operating systems when data is deleted in the OS.

B.

A Thin LUN cannot be converted into a Thick LUN.

C.

SmartThin must be enabled on all LUNs of a storage pool.

D.

SmartThin LUNs consume just a little storage capacity at the time they are created.

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Questions 24

The dual switch network design is widely used in the FC SAN environment. The following description of the dual switch network redundancy design,

Which ones are correct? (Multiple choice)

Options:

A.

Deploy two FC switches in a SAN environment to cross connect to the two controllers of the storage device

B.

Each host requires 2 available FC ports, and connects the two ports to different switches

C.

The host port and storage device port on the switch that need to communicate must be in the same zone

D.

Although there are multiple paths, the dual-switch network only supports link redundancy and does not support load balancing

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Questions 25

The following statement is wrong: (multiple choice)

Options:

A.

Backup cannot solve the recovery of data corruption

B.

backup to solve the recovery of data loss

C.

Backup cannot solve the retrieval of historical data

D.

Backup can directly take over the business

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Questions 26

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.

Options:

A.

TRUE

B.

FALSE

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Questions 27

A bank will launch a business system, which has very high performance and security requirements, and the database uses Oracle data

Database and plan to deploy the Oracle database to a storage system, then create a RAID group for the Oracle database

At this time, the optimal RAID strategy should be:

Options:

A.

RAID 1

B.

RAID 5

C.

RAID 6

D.

RAID 10

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Questions 28

Most data generated by the Internet industry is structured data, amounting to 80% of total data.

Options:

A.

TRUE

B.

FALSE

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Questions 29

Based on the new industrial revolution, what are the changes in the trend of ICT? (Multiple Choice)

Options:

A.

ICT trend is changing slowly with little significant changes.

B.

The initial phases of ICT focuses on office automation but slowly changed towards changing business flows.

C.

ICT is slowly being replaced by other new technologies such as IT and CT.

D.

ICT has become the core in the production systems in the recent years.

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Questions 30

A differential backup holds all changes that were made since the last successful full backup.

Options:

A.

TRUE

B.

FALSE

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Questions 31

Which of the following statements about reconstruction is incorrect?

Options:

A.

RAID 0,1, 5, 6, and 10 support reconstruction.

B.

Reconstruction requires hot spare disks.

C.

Reconstruction affects system performance.

D.

Reconstruction does not interrupt system services.

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Questions 32

Synchronous replication in OceanStor V3 devices is based on the snapshot technology.

Options:

A.

TRUE

B.

FALSE

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Questions 33

In a good Disaster Recovery Plan there are no single points of failure, not even with any single person.

Options:

A.

TRUE

B.

FALSE

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Questions 34

SmartKit is an O&M tool that integrates cloud computing, server, and storage. It cannot be used to monitor third-party devices.

Options:

A.

True

B.

False

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Questions 35

DAS is a storage architecture without scalability.

Options:

A.

TRUE

B.

FALSE

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Questions 36

Which statements are true about HyperMetro? (Select All that Apply)

Options:

A.

The local and remote sites can run services at the same time

B.

A quorum server must be configured.

C.

HyperClone can be configured only for storage devices of the same model and version

D.

Automatic switchover upon storage faults is supported.

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Questions 37

If a disk is faulty, what is the process of recovering data on the faulty disk?

Options:

A.

Replication

B.

Compression

C.

Reconstruction

D.

Deduplication

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Questions 38

The RTO in the disaster recovery system measurement index refers to the point in time when the system and data must be recovered after the disaster begging.

Options:

A.

TRUE

B.

FALSE

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Questions 39

An engineer maps the storage system to the file server to store various enterprise files. One day, the file system is attacked by viruses and files cannot be opened. To access the files, the engineer performs a snapshot rollback. Which statement is FALSE?

Options:

A.

A snapshot rollback can quickly restore data.

B.

When no host reads or writes data, the snapshot data is rolled back to the source volume in sequence.

C.

Some data may be lost during a snapshot rollback.

D.

If there are writes to the source LUN during a snapshot rollback, the rollback is performed after the writes are complete.

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Questions 40

The following two descriptions are correct:

Description 1: Synchronous remote replication, when the primary storage fails, the amount of data lost can be 0.

Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.

Options:

A.

description 1 and description 2 are correct

B.

Description 1 pair, description 2 wrong

C.

Description 1 wrong, description 2 pairs

D.

description 1 and description 2 are wrong

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Questions 41

Select the correct statements that describes the properties of bus technology in ICT architecture. (Choose all that apply.)

Options:

A.

Bus technology are only available in serial form.

B.

Bus can be divided into internal bus and external bus.

C.

The CPU needs to go through the memory to directly access the Bus.

D.

Bus is a communication system that transfers data between internal components and external components.

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Questions 42

Which command is used to query the version of a Red Hat Linux 5 operating system?

Options:

A.

show version

B.

find version

C.

cat version

D.

uname -a

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Questions 43

According to the physical location of the NAS engine and storage device, the NAS is divided into: (multiple choices)

Options:

A.

Internal NAS

B.

External NAS

C.

Unified NAS

D.

Gateway NAS

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Questions 44

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

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 45

A government unit adopts Huawei’s two-site, three-center solution for disaster recovery construction, and its business is mainly concentrated from 8:00 to 18:00.

What is wrong with the following approach?

Options:

A.

Production centers and remote disaster recovery centers should use synchronous remote replication

B.

The time period for data synchronization between the production center and the disaster recovery center should be selected when the business volume at night is small

C.

When doing remote replication, a consistency group should be created according to the business of the unit, and related businesses are placed in a consistents

D.

You can use the BCManager software to set the data synchronization period

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Questions 46

Can the following transmission protocols not use switches?

Options:

A.

iSCSI protocol

B.

SCSI protocol

C.

FC agreement

D.

FCoE agreement

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Questions 47

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:

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Questions 48

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.

Options:

A.

TRUE

B.

FALSE

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Questions 49

Which of the following describes the file access protocol correctly? (Multiple choice)

Options:

A.

CIFS protocol is used in Linux and UNIX environments

B.

The NFS protocol is used in the Windows environment

C.

CIFS protocol, NFS protocol and FTP protocol work in C/S architecture

D.

The working method of HTTP protocol is B/S architecture

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Questions 50

Which of the following technology segregates the nodes in the SAN fabric into multiple networks and allows access control of the members?

Options:

A.

Subnet.

B.

VLAN.

C.

Quarantine.

D.

Zoning.

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Questions 51

Which statements are true about a dual-controller storage system? (Select All that Apply)

Options:

A.

There are two working modes: active-standby and active-active.

B.

In active-standby mode, if one controller is faulty, services are not affected

C.

When one controller is faulty, the service failover in active-active mode is more efficient than that in active-stand by mode

D.

In active-standby mode, only one controller works at a time.

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Questions 52

Which of the following statements correctly describe the improvements of SAS technology compared to SCSI? Select All that Apply.

Options:

A.

Lower cost than SCSI

B.

Full duplex transmission of data.

C.

Half duplex transmission of data

D.

Higher throughput.

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Questions 53

An enterprise needs to purchase backup media for data backup. To inherit the enterprise’s original tape backup architecture and strategy, it is necessary to mention

High backup speed. What kind of backup media did this enterprise purchase?

Options:

A.

Disk array

B.

Virtual tape library

C.

tape library

D.

CD Tower

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Questions 54

A device has only one WWNN number, but it can have multiple WWPN numbers.

Options:

A.

TRUE

B.

FALSE

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Questions 55

If a disk domain has multiple disk types, the storage pools in that disk domain MUST have multiple disk types in them.

Options:

A.

False

B.

True

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Questions 56

Deduplication is a data reduction technology that compresses large-size data blocks to reduce the physical storage capacity for storing data, thereby meeting increasing storage capacity requirements.

Options:

A.

False

B.

True

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Questions 57

What is the function of hot spare in storage?

Options:

A.

Additional space for usage when storage resource is low

B.

Used as cache to increase the performance of disks.

C.

Spare disk space for storing metadata

D.

Spare disk space used for disk data reconstruction when disks are faulty.

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Questions 58

A bank purchases a new storage device. During the RAID level configuration, the bank requires that data reliability be improved and parity data be stored on different disks. Which RAID levels can meet the requirements? (Select All that Apply)

Options:

A.

RAID 0

B.

RAID 5

C.

RAID 3

D.

RAID 6

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Questions 59

Which of the following is the most widely used FC topologies?

Options:

A.

Point-to-Point.

B.

FC Switched Network.

C.

Arbitration Loop

D.

FC Direct Connection.

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Questions 60

What are the main functions of the business continuity solution? (Select All that Apply)

Options:

A.

Minimize the impact on the business service.

B.

Predict the disaster occurrence accurately.

C.

Zero data loss and zero service interruption.

D.

Improve the utilization rate of the disaster recovery equipment

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Questions 61

When CLI is used to configure Huawei hybrid flash storage, which operation is NOT involved in creating storage space?

Options:

A.

Create a storage pool

B.

Create a host.

C.

Create a LUN.

D.

Create a LUN group

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Questions 62

What is the main purpose of backup battery units (BBU) in storage controllers?

Options:

A.

To maintain the power for clock synchronization.

B.

To power the interface modules.

C.

To provide additional power to storage controller to speed up the I/O.

D.

To ensure that the non completed I/O is not lost during power outage.

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Questions 63

It is a device which manages the physical disk drives and presents them to the users as logical units. Which of the following device fits the above description?

Options:

A.

Host.

B.

Storage NIC.

C.

Storage Controller.

D.

Storage Cache.

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Questions 64

Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk in Disk Domain A.

Options:

A.

TRUE

B.

FALSE

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Questions 65

Which of the following statements are true for a NAS solution?

(Multiple Choice)

Options:

A.

Cable length is around 10 m.

B.

Block size is configurable.

C.

CIFS and NFS are both commonly used protocols.

D.

NAS clients are connected to the NAS server using Ethernet switches.

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Questions 66

The storage controller can only provide processing and caching functions.

Options:

A.

TRUE

B.

FALSE

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Questions 67

Which of the following statements about Disaster Recovery is NOT true?

Options:

A.

Some data loss must be accepted.

B.

After a disaster access to the data, on the remote site, can be immediate.

C.

Applications to work with the recovered data is in place.

D.

There are still traditional backup strategies in place.

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Questions 68

Which device allows segregation of collision domains but not broadcasting domains?

Options:

A.

L2 Switches

B.

L3 Switches

C.

Router

D.

Hub

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Questions 69

Users of a company can automatically report the alarm of the storage device connected to it to the Huawei Service Support Center through a management software. Excuse me, what software is this user using?

Options:

A.

DeviceManager

B.

CLI management interface

C.

Toolkit

D.

eService

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Questions 70

What is the synchronization cycle time limit for asynchronous remote replication?

Options:

A.

1s~144min

B.

3s~144min

C.

1s~300min

D.

3s~300min

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Questions 71

What kind of technology does the OceanStor 5300 V3 expansion controller belong to?

Options:

A.

Scale-out

B.

Scale-up

C.

Scale-in

D.

Scale-deep

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Questions 72

Among the components of the mechanical disk, the parts responsible for reading and writing data are:

Options:

A.

Disc

B.

Read/write head

C.

Magnetic head arm

D.

Spindle

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Questions 73

Regarding the characteristics of the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, what is wrong in the following statement?

Options:

A.

The data center using cold standby mode has a long RTO and is unpredictable

B.

The data center adopting the HyperMetro mode has the shortest RTO time

C.

When a data center failure causes the service to become unavailable, the hot standby and active-active modes can be automatically switched by software

Services, while the warm standby mode requires manual intervention, and the cold standby mode requires manual intervention

D.

Hot standby mode requires the highest software cost

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Questions 74

What is a measure of storage system performance?

Options:

A.

IOPS

B.

Bandwidth

C.

capacity

D.

Delay

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Questions 75

Semi-structured data is generally self-describing, and the structure and content of the data are mixed and there is no obvious distinction.

Options:

A.

TRUE

B.

FALSE

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Questions 76

In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.

Options:

A.

TRUE

B.

FALSE

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Questions 77

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

Options:

A.

TRUE

B.

FALSE

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Questions 78

Which mirroring scenarios are mainly used in HyperMirror? (Multiple choices)

Options:

A.

Mirroring of two LUNs in this array

B.

Cooperate with the heterogeneous virtualization function to realize the mirroring of the LUN of the heterogeneous array and the array

C.

Cooperate with the heterogeneous virtualization function to realize the mirroring of two heterogeneous LUNs

D.

The mirrors of the two LUNs of the volume mirror are not under the same home controller

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Questions 79

What are the application scenarios of the SAN solution? (Multiple choice)

Options:

A.

Data sharing

B.

Storage sharing

C.

Data backup

D.

Disaster recovery

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Questions 80

In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?

Options:

A.

The storage system can generate a snapshot in seconds

B.

The snapshot LUN cannot be mapped to the host

C.

Complete data copying is unnecessary

D.

data use mapping table lookup

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Exam Code: H13-611_V4.5
Exam Name: HCIA-Storage V4.5
Last Update: Mar 24, 2024
Questions: 536
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