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H13-624 Questions and Answers

Question # 4

When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan for each node

4 static front-end IP addresses

A.

True

B.

False

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Question # 5

Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?

A.

Wushan file system manages the underlying data as objects, which simplifies the management method and metadata overhead

B.

Wushan file system adopts object storage mode, and does not need to provide users with a traditional system tree structure for users to use

C.

The data object of the Wushan file system is composed of a set of Stripes (stripes), and the strips are generated by the Erasure Code matrix operation.

D.

Each object of the Wushan file system is a complex of data and data attribute sets. The data attributes can be set according to the application, including data distribution and service quality.

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Question # 6

Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?

A.

signature function

B.

Notify function

C.

Access time tracking

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Question # 7

A customer uses Huawei Oceanstor 9000 to store its massive files. In order to facilitate sharing among multiple departments, a

Dedicated catalog. After running for a period of time, the storage resources became tense, analyze the reason is that some departments are overused

0ceanstor9000, so the customer can limit the use of space by setting quotas on the directories of these departments

To ensure that other departments can use 0ceanstor 9000 storage resources normally

A.

True

B.

False

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Question # 8

The storage device has two controllers, A and B. If the BBU of controller A fails, which one of the following describes

is correct(

A.

LUNs belonging to controller A will be converted to write through

B.

LUNs belonging to control B will be converted to write-through C. All LUNs will be converted to write-through

C.

All LUNs are not converted to write through

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Question # 9

Huawei N8000 (V200R001) clustered NAS two-node single-choice, during which the heartbeat links are redundant?

A.

1

B.

2

C.

3

D.

4

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Question # 10

What are the correct statements about Huawei OceanStor 18810 V5 products ()

A.

Huawei OceanStor18810 v5 supports controller 4 cups and 3 functions

B.

Huawei OceanStor 18810 v5 supports FC single link upgrade without host multipath perception

C.

Huawei OceanStor 18810 v5 supports front-end and back-end shared interface cards, using a fully interconnected hardware framework Structure

D.

Smar tMatrix3.0 supported by Huawei 0ceanStor 18810 v5 can make Cache mirror

Image and business pressure are more balanced

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Question # 11

Single-choice NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission

A.

True

B.

False A InfiniBand technology has high bandwidth, low latency, and system scalability

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Question # 12

In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct ()

A.

In order to ensure data consistency, the host business needs to be suspended before HyperCDP is rolled back

B.

HyperCDP needs to be in the active state to perform the rollback operation

C.

When the source LUN of HyperCDP is also the primary LUN or secondary LUN of remote replication, you need to

The HyperCDP rollback operation can only be performed after the remote replication pair status becomes "split"

D.

For a source LUN with multiple HperCDPs, multiple HperCDPs can be executed at the same time

HyperCDP rollback operation

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Question # 13

Single choice Regarding the performance of the hard disks under the various types of nodes of Huawei Oceanstor 9000, which one is correct in descending order?

(C)

A.

P25 Node SSD hard disk->P25 Node SAS hard disk->P12SATA hard disk->P36 Node SATA hard disk->C36

SATA hard drive

B.

P25 Node SSD hard drive-→P25 Node SAS hard drive-〉P12SATA hard drive->C36 SATA hard drive C.P25 Node SSD hard drive-〉P25 Node SAS hard drive-〉P36Node SATA hard drive-〉P12 SATA hard drive-〉C36

SATA hard drive

C.

P25 Node SSD hard drive-〉P25 Node SAS hard drive->P36Node SATA hard drive-〉C36 SATA hard drive-→〉P12 SATA hard drive

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Question # 14

What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)

A.

Disk array

B.

NAS engine

C.

Data sharing network equipment

D.

FC switch

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Question # 15

The first description of the following commands for network detection on the switch side: The display Inter command can be used to view interface statistics.

Check whether the switch records packet loss on the interface. The second description: display logbuf, if discarding, pay attention to the back-end networking

Whether there is a loop.

A.

Both descriptions are correct

B.

The first one is correct, the second one is wrong

C.

The first one is wrong, the second one is correct

D.

Both are wrong

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Question # 16

IDC's description of the characteristics of big data, which items are correct of? (Multiple choice)

A.

Volume-huge amount

B.

Variety-Diversity

C.

Value-value density

D.

Variety-speed

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Question # 17

When deploying Huawei distributed storage, you can import the licenses of different service

The type of service provided by the group (block, file, big data, object).

A.

True

B.

False

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Question # 18

The following statements about N8500CIFS sharing are correct: Multiple choice (multiple choice) A.

If you don’t need to distinguish between users who restrict access to the shared directory, you can choose normal sharing

B. If you do not need to distinguish between users who restrict access to the shared directory, you can choose homeedir share

C. In normal mode, the client can only access the share through a VIP

D. Compared with the normal mode, the cluster mode has higher data reliability, but lower performance

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Question # 19

The fully balanced (Active-Active) multi-choice architecture of Huawei's all-flash storage guarantees a securities company

Transaction business at high concurrency. Regarding the architecture, which of the following statements are correct

A.

Distribute IO evenly to all front-end ports to achieve load balancing of access

B.

All controllers participate in business processing, LUNs have no ownership, and controller load balancing is realized

C.

IO is evenly distributed to all controllers, realizing front-end load balancing

D.

Data balance is distributed to all SSDs, realizing disk load balance

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Question # 20

Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?

A.

Automatic hierarchical storage

B.

Quota management

C.

Directory snapshot

D.

Round-robin load balancing

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Question # 21

Huawei's hyper-converged storage products have a strong consistent replication agreement. The application writes a copy of data

Time, if successful, one or more copies of the backend must be consistent

A.

True

B.

False

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Question # 22

You can use the InfoLocker feature of Oceanstor 9000 to meet the business scenario of one write and multiple read

A.

True

B.

False

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Question # 23

Multiple choices of Huawei Oceanstor 9000. Which of the following designs can improve the reliability of the system? (Multiple choices)

A.

N+M data protection

B.

metadata mirroring

C.

Automatic failure detection and automatic data recovery

D.

Data scrub

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Question # 24

Regarding Huawei hybrid flash storage, which of the following statements is correct ()

A.

Support NFS, CIFS protocol

B.

Support iSCSI, FC protocol

C.

Support HTTP and FTP protocols

D.

Support integration of SAN and NAS

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Question # 25

Multi-selection After launching Oceanstor 9000 deployment, the deployment tool interface prompts "Unsuccessful connection". The possible reasons are: (multiple-selection)

A The deployment tool and deploy version do not match

B. The network connection between nodes is unstable

C. deploy process does not exist

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Question # 26

In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.

A.

True

B.

False

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Question # 27

Single choice In Huawei Oceanstor 9000, which of the following is not a method of rectification supported by NFS sharing?

A.

NIS authentication

B.

LDAP authentication

C.

Client IP address

D.

Local user authentication

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Question # 28

Single choice The following describes the hardware architecture of Oceanstor 9000, which one is wrong?

A Except for the C72 node, all other nodes use the X86 hardware system

B Wushan SQL function should be deployed to 1 node

C Enterprise Hadoop FusionInsight function should be deployed to 1 node Each node of

D. Oceanstor 9000 can provide external business access

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Question # 29

When configuring the Simpana backup software, the configurable single-selection deduplication strategy does not include:

A.

Source deduplication

B.

Client deduplication

C.

Global deduplication

D.

Parallel deduplication

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Question # 30

What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)

A.

Remote replication

B.

Snapshot

C.

NDMP backup

D.

HtyperMetro

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Question # 31

The external interfaces supported by HDFS Plugin include: (multiple choice, multiple choice

A.

Sheli

B.

C API

C.

HTTP REST API

D.

Java API

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Question # 32

Single choice Huawei oceanstor 9000 has no effect on device management, whether it is an online software version upgrade or an offline upgrade version.

ring.

A.

True

B.

wrong

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Question # 33

Which is the wrong description about the synchronous remote replication of the OceanStor V3 storage array?

A.

After the master and slave LUN write I/O are successful, the master array returns the write I/O success to the host.

B.

The master array writes I/O write data to the master LUN and sends it to the slave LUN.

C.

The impact of synchronous remote replication on the host's write IO performance has nothing to do with the distance between the master and slave sites.

D.

Synchronous remote replication can support one master LUN to simultaneously replicate to two slave LUNs.

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Question # 34

Single-choice Which one of the following descriptions about the trembling characteristics of Huawei Oceansor 9000 is incorrect?

A.

Quota can be set based on users

B.

quota is set based on user group

C.

Support setting quotas for file directories

D.

Support setting quotas on files

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Question # 35

The following options belong to the rules for FusionStorage software deployment: (multiple choice)

A.

DSS and OMS are components that must be deployed. Choose to deploy FusionStorage block, file, and object services as needed.

B.

DSS and OMS are recommended to be deployed to virtual machines on different physical nodes. DSS needs to deploy 3 units, and OMS only needs to deploy 1 unit.

C.

FusionStorage block, file, and object storage services are all deployed on their own physical nodes and cannot be mixed.

D.

When FusionStorage File/FusionStorageObject is provided, the first 2 nodes in the cluster serve as management nodes.

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Question # 36

Single choice Network connection is required before the initial configuration of the big data system. The networking of Huawei Oceanstor9000 does not include

A.

Front-end business network

B.

back-end storage network

C.

Management network

D.

heartbeat network

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Question # 37

The importance of business systems A, B, and C of an enterprise are high, medium, and low respectively. It is feasible for strategic planning according to the following description

Yes: (multiple choice)

A.

The backup frequencies of systems A, B, and C can be: 1 full backup every 4 hours, 1 full backup every week, 1 additional backup a day, and 1 monthly backup.

Full-time

B.

System A has the longest retention period of backup data.

C.

System C has the longest retention period for backup data.

D.

The retention periods of the backup data of systems A, B, and C can be: 20 days, 3 months, and 1 day, respectively.

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Question # 38

Which of the following ideas and methods to solve the problem of QceanStor9000 DeviceManager. server is correct is:

A.

Check if the DeviceManager process is abnormal, then restart the DeviceManager process.

B.

If the DeviceManager process is normal, check the CM process.

C.

Check that the CM process is normal, and then contact Huawei technical support engineers. answer

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Question # 39

Before designing a backup plan, you need to conduct research. What aspects need to be considered during the research? (multiple choices)

A.

Project Backbroom

B.

Customer needs

C.

Live network environment

D.

Component selection

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Question # 40

Single selection In the Huawei Qseanstor 9000 storage system, when a current foReplisatox Pair is in a split state,

Which of the following statements is incorrect?

A.

Pair split occurs. The possible cause is a temporary link abnormality or network bandwidth expansion.

B.

At this time, the master-slave relationship of the two directories specified by Pair remains unchanged.

C.

When the Pair is resynchronized, the difference data and the synchronized data that have not been copied to the secondary directory due to the split operation during the last synchronization

Resynchronize as needed.

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Question # 41

Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system

A.

True

B.

False

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Question # 42

In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs to be 10MB/s for single selection, and the average write bandwidth needs to be 200KB/s, and the average write bandwidth is 200KB/s.

The I/O volume is 4KB. The bandwidth utilization rate is 70%. How much bandwidth does the application need to deploy synchronous remote replication?

A.

0MB/s

B.

200KB/s

C.

2.23MB/s

D.

114.3Mbit/s

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Question # 43

The data format before and after the backup is the same. The backup data can be directly used to restore production data to ensure the continuity of business read and write.

A.

True

B.

False

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Question # 44

Which of the following options belong to the function of the CMS cluster? (multiple choice)

A.

Monitoring and management

B.

Log collection

C.

Alarm report

D.

Firmware upgrade

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Question # 45

When planning the IP address of the back-end storage network of the OceanStor 9000 IB network deployment plan, you need to plan for each node

2 back-end storage IP addresses and 1 temporary IP address

A.

True

B.

mistake

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Question # 46

Multiple choices Which of the following are correct in the description of the CIFS protocol? (Multiple choices)

A.

Transfer data based on TCP protocol

B.

Transfer data based on UDP protocol

C.

Linux platform file sharing protocol

D.

Windows platform file sharing agreement

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Question # 47

Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.

A.

The customer configures low-end storage products on the disaster recovery side in order to save costs.

B.

Customers need RTO=0, RPO=0

C.

The customer accepts the array layer disaster recovery technology.

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Question # 48

The following are unstructured data applications: single selection

A.

Enterprise ERP

B.

Medical HIS database

C.

Educational video on demand

D.

Enterprise financial system

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Question # 49

In the feature of Huawei OceanStor 9000 InfoEqualizer, a partition is a collection of a group of nodes. These nodes are used for partitioning.

Provides different services every other time, with the same dynamic domain name, static domain name and automatic load balancing characteristics.

A.

True

B.

False

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Question # 50

Single choice When the Oceanstor 9000 street leveling strategy switch is turned off, when expanding the node, delete or disable the node, add hard disks, and hard disks.

Failure and slow disk scenarios. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically finish

Into data balance.

A.

True

B.

False

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Question # 51

A storage cluster has five C72 nodes. The front and back 10CF networking mode is adopted. In the hybrid deployment of distributed system services and pairs

For storage services, the number of IP addresses that need to be planned for the front-end business network is:

A.

61

B.

71

C.

81

D.

91

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Question # 52

In the data backup application scenario, compared with physical tape libraries, which of the following descriptions belong to the characteristics of disk backup media?

(Multiple choice)

A.

High backup and recovery performance.

B.

Low management and maintenance costs.

C.

It can realize the separation of the data storage disk and the device for reading and writing the disk, and realize the offline storage of the data.

D.

The unit storage cost is lower than that of physical tape.

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Question # 53

Single choice Huawei Oceanstor 9000 FRU replacement tool does not support the replacement of which of the following modules or devices?

A.

power module

B.

Replace the hard disk online

C.

cable

D.

IO module

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Question # 54

Which operating systems does eReplication support? (multiple choice)

A.

Windows

B.

Linux

C.

AIX

D.

D HP-Ux

E.

Solaris

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Question # 55

A colleague is working on a dual-active disaster recovery plan. By testing the arbitration server to the storage system at both ends, the bandwidth is 4Mbit/s, and the delay is 4Mbit/s.

RTT≤40ms, and packet loss rate≤1%, then this scheme:

A.

Not feasible, because the active-active disaster tolerance bandwidth must not be less than 10Mbit/s.

B.

Feasible, because it meets the conditions of the active-active disaster recovery plan.

C.

Not feasible, because the packet loss rate of active-active disaster recovery must be ≤0.1%.

D.

Not feasible, because the delay of active-active disaster recovery RTT≤120ms

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Question # 56

The phone is accessing the LINUX client of the Oceanstor 9000 cluster, which can appropriately reduce the number of concurrent NFS on the client.

To improve access performance

A.

True

B.

wrong

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Question # 57

How does the InfoScanner feature send the single-selected file path that needs to be checked and killed to the disease prevention?

Poison proxy server

A.

Snapshot

B.

Polling C. Deduplication

C.

Concurrency

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Question # 58

When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected

select()

A.

SAS HDD

B.

SAS SSD

C.

NL SAS HDD

D.

NVMe SSD

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Question # 59

The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:

A.

Both Thick LUN and Thin LUN need to be configured with initial capacity

B.

Both Thick LUN and Thin LUN can be configured in the same storage pool

C.

Both ThickLUN and Thin LUN can be greater than or equal to the available capacity of the storage pool where they are located

D.

Both Thick Lun and Thin LUN can be created in batches

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Question # 60

In the storage planning and design process, which of the following is not part of the business single selection planning process ()

A.

Network planning

B.

Value-added features

C.

Capacity planning

D.

Basic business

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Question # 61

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

A.

True

B.

False

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Question # 62

Huawei's hyper-converged storage uses a distributed hash algorithm, which of the following processes occur on the server side ()

A.

Write cache

B.

Partition mapping OSD

C.

Map the location on the disk

D.

Hash calculation Partition

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Question # 63

Which of the following statements about snapshots is correct

A.

Snapshot is the newly written data

B.

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

C.

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

D.

Snapshot is a physical copy of the complete source data

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Question # 64

The object service provides online aggregation capabilities for small objects. Small objects uploaded by the client are written into the SSD cache first and aggregated into one

EC strip size, then EC calculation, and automatically save the data slice (Strip) and the parity calculated by EC (Parity) Store to HDD.

A.

True

B.

False

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Question # 65

Multiple choice Expressway reconstruction project A adopts the LightDC ROBO branch solution of Huawei's hyper-converged storage, which of the following

The options reflect the advantages of the program ()

A.

Unified monitoring and management

B.

Highly integrated, saving space

C.

Rapid deployment

D.

Quick release of business

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Question # 66

The HyperLock (WORM) feature of Huawei Storage enables the single-selection of files to be written only once, cannot be written repeatedly, and is not allowed to be modified, deleted, or renamed.

A.

True

B.

False

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Question # 67

The object/file interoperability feature provided by Huawei Distributed Storage is based on the way that NAS functions are superimposed on the object storage system, and what kind of file sharing access capabilities are provided on the basis of distributed object services

A.

HTTP

B.

NFS

C.

CIFS

D.

FTP

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Question # 68

Maintenance Engineer A In order to better operate and maintain Huawei OceanStor 6810 V5 equipment, refer to related product manuals to understand its features.

Which of the following options describe the product characteristics that are correct

A.

Thanks to the high-performance and low-power ARM processor of the 7nm process, the design of the storage PCB board is more concise and the internal space

Occupies smaller

B.

The back-end disk enclosure interface supports self-developed RDMA high-speed interface

C.

The back-end disk enclosure interface supports SAS3.0 interface

D.

CPU and control module switch to Kunpeng self-developed architecture

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Question # 69

An account is a credential for using an object storage service (compatible with Amazon S3 interface), and its management function does not include:

A.

Contract business management

B.

Basic account management

C.

Certificate Management

D.

Cross-domain access policy management

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Question # 70

An enterprise’s business data is stored in two data centers, and storage devices from different vendors are deployed.

The SmartVirtualization feature can be used to host and create original LUNs on heterogeneous storage systems in each data center

eDevLUN, and then create an asynchronous remote replication between the eDevLUN and the local LUN on the Huawei storage system at another site to achieve

Data disaster recovery between sites.

A.

True

B.

False

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Question # 71

In the Huawei hybrid flash storage series storage system, which of the following is the wrong description of the relationship between the logical ports of IP drift?

A.

Multiple bonded ports can be configured on 1 VLAN

B.

Multiple bonding ports can be configured on one Ethernet port

C.

Ethernet port. Multiple VLANs can be configured on it

D.

Multiple logical ports can be configured on one bonded port

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Question # 72

After engineer C completes the installation of Huawei's distributed storage on site, he single-selects to power on to configure the big data service. The following about big data

In the description of the business configuration process, the options in the correct order are () 1. Create an account 2. Configure the subnet 3. Create a file system 4. Associate files

System 5. Create NameNode Zone 6. Create Global Zone

A.

6->5->3->1->2->4

B.

1->3->2->6->5->4

C.

5->3->2->4->1->6

D.

1->2->3->4->5->6

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Question # 73

HyperCDP can generate more and more intensive recovery points for the data on the storage device. HyperCDP copies are at a certain point in time Full copy backup of source data.

A.

True

B.

False

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Question # 74

In the SmartQuota feature of Huawei Oceanstor hybrid flash storage, you can select the capacity quota limit or file number configuration.

For the same directory, user or user group, the two quota limit methods cannot be selected at the same time.

A.

True

B.

False

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Question # 75

Multiple single-selection A multinational company has a huge business, with customer business data scattered in multiple locations, and the distance between locations is greater than 1000 km. Should

Enterprises hope to centrally manage the backup data of each site so that users can analyze and analyze all data without affecting normal business.

Mining: If any business site suffers a disaster, the enterprise can take over the business and perform data recovery. In this case, the company should choose

Which disaster recovery backup plan ()

A.

Central disaster recovery and backup plan, synchronous remote replication is selected between the business site and the central site

B.

Two-site three-center solution, asynchronous remote replication is selected between each site

C.

Two-site three-center solution, synchronous remote replication is selected between each site

D.

Central disaster recovery and backup plan, asynchronous remote replication is selected between the business site and the central site

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Question # 76

The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.

Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order

A.

One-segment large block sequential write makes full use of SAS bandwidth to reduce garbage collection

B.

Multiple discrete data blocks are aggregated into a continuous

C.

Big data blocks Big data blocks are sequentially written to the SSD

D.

The controller perceives the data layout in the SSD

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Question # 77

The Persistence layer of Huawei’s distributed storage provides single-select persistence storage capabilities, EC and multiple copies capabilities.

PlogClient provides the append only access capability of Plog.

A.

True

B.

False

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Question # 78

Check the operability of the storage system through DeviceManager, you can know the storage system

Real-time and long-term status of system business performance.

A.

True

B.

False

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Question # 79

A company uses Huawei Distributed Storage Object Service to save transaction orders and enables WORM function

Yes, the administrator finds that some objects can only be read but cannot be modified, so which WORM state these objects may be in ()

A.

Protection status

B.

Protection expired

C.

Unprotected state

D.

Suspend protection

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Question # 80

Which of the following statements about the SmartVirtualization feature of Huawei OceanStor Hybrid Flash

The option is correct ()

A.

For the time being, only the heterogeneous storage devices of our factory are supported

B.

Support local storage to take snapshots of LDN of external storage resources

C.

The SmartVirtualization feature supports both block services and file services

D.

Support users to take over the storage resources of heterogeneous storage systems through local storage

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Question # 81

The following statements about Huawei's SamtMulti-Tenant technology are single-selected, which one is wrong ()

A.

Role management is divided into preset default roles and custom roles

B.

There are three types of authority management: read-only, write-only and read-write

C.

A physical storage system can be divided into multiple virtual storage partitions, and the storage pools are shared among these virtual storage partitions

D.

In role management, three default roles are preset for tenant groups: tenant administrator, tenant data protection administrator, and tenant agreement administrator

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Question # 82

When using Huawei Distributed Storage Block Service, what options are correct for the description of the asynchronous remote replication feature disaster tolerance cluster ()

A.

Disaster recovery clusters have good elastic scalability

B.

A single disaster tolerance cluster cannot meet the subsequent rapidly growing disaster tolerance business needs

C.

Disaster recovery clusters can be deployed on storage nodes or on independent servers

D.

Users can deploy disaster recovery clusters on demand, which are logical objects that provide replication services

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Question # 83

The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created

The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones

roll.

A.

True

B.

False

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Question # 84

In the following statement about the SmartQuota feature of Huawei OceanStor all-flash storage, which options are correct (

A.

Dtree directory additionally records resource usage and quota limit metadata information

B.

Support resource management and control on the Dtree directory

C.

Update resource usage and quota check during I/O

D.

When creating a quota for an object, the capacity soft quota, capacity hard quota, file soft quota and file

At least one of the four hard quotas needs to be configured

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Question # 85

The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?

A.

Demand analysis->Information collection-→>Backup and archiving strategy design-→>Bandwidth and network design

B.

Capacity and storage strategy design->Backup and archive strategy design->Backup system migration design C. Backup system migration design→>Capacity and storage strategy design→>Bandwidth and network design

C.

Capacity and storage strategy design-→>Backup and archive strategy design→>Other feature design

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Question # 86

In the Huawei data protection plan, the failure types are divided into multiple selection logic errors, equipment failures, data center failures, and zone failures.

Territorial disaster. Among them, the ones with the highest "annual frequency" and "single loss" are: (multiple choice)

A.

Logic error

B.

Equipment failure

C.

Data center failure

D.

Regional disaster

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Question # 87

In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?

A.

The distance between the two data centers is less than 25 kilometers and the number of fiber connections is less than 4 pairs

B.

The distance between the two data centers is more than 25 kilometers and the number of fiber connections is more than 4 pairs

C.

The distance between the two data centers is greater than 25 kilometers and the number of optical fiber connections is less than 4 pairs

D.

The distance between the two data centers is less than 25 kilometers and the number of fiber connections is more than 4 pairs

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Question # 88

(multiple choice) Which node types does Huawei OceanStor 9000 support?

A.

P12

B.

P25

C.

P36

D.

C36

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Question # 89

In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, and the average write bandwidth needs 200KB/s.

The average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. What is the bandwidth required for the application to deploy asynchronous remote replication?

A.

A.10MB/s

B.

B.200KB/s

C.

C.2.23MB/s

D.

D.114.3Mbit/s

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Question # 90

What thresholds can be set for eReplication? (multiple choice)

A.

CPU utilization

B.

Memory utilization

C.

Hard disk utilization

D.

Band width

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Question # 91

Regarding Simpana's global deduplication, which one of the following statements is correct?

A.

When creating a sub-client, you can select global deduplication as the storage strategy.

B.

You can modify the existing storage policy to global deduplication.

C.

The global deduplication strategy can be referenced by multiple deduplication strategies.

D.

Global deduplication and parallel deduplication cannot be used at the same time.

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Question # 92

(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:

A.

Front-end business network

B.

Back-end storage network

C.

Management network

D.

Heartbeat network

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Question # 93

It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.

A.

True

B.

False

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Question # 94

Regarding deduplication on the target side, which option is incorrect in the following description?

A.

The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.

B.

Do not occupy the resources of the source.

C.

Target end deduplication is equivalent to post-processing deduplication (Post-processig).

D.

Can not save transmission bandwidth.

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Question # 95

In the Simpana software, the following components are included

1. MediaAgert

2. CommServe

3. IDataAgent

The following description of the order of upgrade components is correct.

A.

A.1->2->3

B.

B.1->3->2

C.

C.2->1->3

D.

D.3->1->2

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Question # 96

The LUN size relationship between production storage and disaster recovery storage configuration remote replication is: the capacity of the secondary LUN is greater than or equal to the capacity of the primary LUN.

A.

True

B.

False

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Question # 97

In the data backup application scenario, which one of the following descriptions about the quality of the optical disc storage medium is wrong?

A.

It is suitable for scenarios that do not require high backup speed.

B.

Applicable to scenarios that require high backup capacity.

C.

Suitable for backup scenarios that do not need to be frequently erased.

D.

Data can be stored for a long time.

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Question # 98

File-level deduplication is also called single-instance storage (SIS). It checks the attributes of the files to be stored according to the index and compares them with the stored files.

For comparison, if there is no identical file, store it and update the index, otherwise only store the pointer to the existing file.

A.

True

B.

False

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Question # 99

Which of the following special single options is mainly used for Huawei's two-site three-center disaster recovery solution?

A.

HyperMirror

B.

HyperMetro

C.

HyperClone

D.

HyperReplication

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Question # 100

Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up,

Make a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to the backup

On the device. What type of backup networking is described in the above workflow?

A.

LAN-Base

B.

LAN-Free

C.

Server-Less

D.

Server-Free

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Question # 101

The disaster recovery feature of a storage product has an RPO of 30 minutes and an RTO of 15 minutes. Which of the following statements is correct: (multiple choice)

A.

When the storage system fails, there may be a 30-minute difference in data time between the production side and the disaster recovery side.

B.

When the storage system fails, there may be a 45-minute difference in data time between the production end and the disaster recovery end.

C.

The time from business suspension to business recovery may be 15 minutes from the occurrence of a failure.

D.

The time from business suspension to business recovery may be 45 minutes from the occurrence of a failure.

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Question # 102

The disaster recovery system can copy business data to a local or remote data center for protection. Heng is not all data damage/

Loss can be recovered, which of the following data damage cannot be recovered by the disaster recovery system? (multiple choice)

E. Hard disk failure

F. Virus attack

G. Human misoperation

H. Business data center is paralyzed

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Question # 103

The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.

A.

True

B.

False

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Question # 104

What are the advantages of parallel data deduplication: (multiple choice)

A.

High performance

B.

High reliability

C.

Large scale

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Question # 105

The production center has 2080GB of data, which needs to be backed up to the disaster recovery center. The backup window is 6 hours, no deduplication, bandwidth

The utilization rate is 0.8. At least how much bandwidth is needed to meet this backup requirement.

A.

A.49.28MB/s

B.

B.61.6MB/s

C.

C.98.56MB/s

D.

D.123.2MB/s

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Question # 106

There are 1040GB files that need to be backed up, the backup window is 6 hours, and the GE network and media end deduplication, then the following statement is correct

Yes: (multiple choice)

A.

Optional LAN-Base networking

B.

The required bandwidth is 61.6MB/s

C.

The required bandwidth is 71.7MB/s

D.

Must use LAN-Free networking\

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Question # 107

In the data backup application scenario, which of the following descriptions belong to the characteristics of a physical tape library? (multiple choice)

A.

Data can be stored offline for a long time

B.

Capacity scalability is better than using a disk system

C.

Low backup and recovery performance

D.

Low management and maintenance costs

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Question # 108

The correct statement about the HyperMetro arbitration server model is: (multiple choice)

A.

A set of arrays and arbitration fail at the same time, and the surviving arrays continue to run services.

B.

In the arbitration server mode, when the heartbeat between the storage arrays is interrupted, the arrays at both ends initiate an arbitration request to the arbitration server, and the arbitration server is

The server comprehensively judges which side wins. The party that wins the arbitration continues to provide services, and the other party ceases to provide services.

C.

The arbitration fails, and the heartbeat link between the arrays is interrupted, and the service is not affected.

D.

In the arbitration server mode, if there is a requirement to obtain arbitration first, the site priority can also be configured.

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Question # 109

Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)

A.

Primary and standby disaster recovery

B.

3DC

C.

Data center active-active

D.

Local high availability

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