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H13-624 Questions and Answers

Question # 6

(multiple choice) The daily inspection performance indicators of the big data storage system include:

A.

Disk utilization

B.

CPU utilization

C.

Memory utilization

D.

Node throughput

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Question # 7

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

A.

P12

B.

P25

C.

P36

D.

C36

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Question # 8

(Judgment) Whether the Huawei OceanStor 9000 is upgraded online or offline, it has no impact on device management.

A.

True

B.

False

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Question # 9

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 # 10

(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:

A.

It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.

B.

Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.

C.

Improve system storage performance and realize intelligent data management.

D.

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.

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Question # 11

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 # 12

Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?

A.

Project background

B.

Customer needs and refinement C. Project implementation plan

C.

Confirmation of the live network environment

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Question # 13

During data backup, in order to save space, single-selection data may be deduplicated, such as repeated data block A and

For block B, only one copy of data is physically saved, and the index corresponding to block A or B will be deleted.

A.

True

B.

False

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Question # 14

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 # 15

In N8500 V200NO01, which of the following commands can be used to check whether the status of the file system is online? ()

A.

storage s list

B.

storage fs online

C.

storage fs status

D.

storage fs status show

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Question # 16

Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)

A.

Reasonably plan users

B.

Manage and monitor users

C.

Statistics and view users

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Question # 17

In the Huawei Oceanstor 9000 storage system, when a certain InfoReplicator is in a split state, the following statement

Which one is incorrect?

A.

Pair split occurs, the possible cause is 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.

After the Pair is resynchronized, the difference data and the synchronized amount that have not been copied to the secondary directory due to the split operation in the last synchronization need to be

Seek synchronization

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Question # 18

Bank A purchased Huawei’s hybrid flash storage, which uses encrypted hard disk technology to enhance business data

The security, which of the following statements are correct ()

A.

External Key Manager adopts KMIP+TLS standard protocol

B.

nternal Key Manager is a key management application embedded in the storage system

C.

The encrypted hard disk technology uses the AES256 encryption algorithm to ensure that the data stored on the disk is encrypted

, And guarantee no impact on performance

D.

OceanStor 18000/18000FV5 supports TPM for key protection

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Question # 19

(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?

A.

CPU usage

B.

User Group

C.

Number of node connections

D.

Node throughput

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Question # 20

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 # 21

IOPS is a key indicator to measure storage performance. Which of the following options will not affect the storage system’s performance

IOPS ()

A.

Hot spare space size

B.

Hard disk type

C.

RAID level

D.

IO features

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Question # 22

Which of the following options describes the Pusi onStorago typical deployment plan correctly: (multiple choice)

A.

When deploying only FusionStorage file or object storage services, the number of nodes is at least 3. And supports DSS, OMS and

File or object storage components are merged and deployed.

B.

When deploying only FusionStornge block storage service, the number of nodes is at least 5, and supports DSS, ONS and block storage components

Merge deployment.

C.

When FusionStorage file and object storage services are deployed at the same time, the number of nodes is at least 5, and supports DSS, OMS and

Fusion deployment of file or object storage components.

D.

When deploying FusionStorage block, file, or object storage services at the same time, the number of nodes must be at least 8, and FSM must be deployed

On block storage nodes, OMS and DSS components are evenly distributed to other nodes.

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Question # 23

Huawei’s hyper-converged storage adopts a distributed hash algorithm, and single-selects HASH calculation and local memory metadata, which can be

The bottleneck can be arbitrarily expanded horizontally.

A.

True

B.

Wrong

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Question # 24

The following options do not belong to the advantages brought by the global cache:

A.

Improve cache space utilization

B.

Improve cache data access hit rate

C.

Improve overall system performance

D.

Improve system safety and reliability

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Question # 25

Multiple selections The customer value of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30) is reflected in: (multiple selections)

A.

Oceanstor 9000 can distribute requests to relatively idle nodes according to the current business load smart address of each node, thereby improving

Improved client access performance

B.

Oceanstor 9000 grams automatically senses failures and adjusts services to other normal nodes, thereby improving the reliability of client service access

C.

This feature is a basic feature, no need to buy a license, saving cost

D.

Allow the client to use the domain name to access Oceanstor 9000, and the client operator does not need to know the specific IP address of each visit. Simplified

Management operations, thereby reducing management costs

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Question # 26

In a 0ceanstor 9000 system, the total number of nodes is 10, and the data protection level that can be configured for it can be: (multiple choice)

A.

4+5

B.

6+3

C.

6+4

D.

6+5

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Question # 27

Single-select a Huawei Oceanstor 9000 cluster site, configure 4 P36 nodes, and use the back-end IB networking, regardless of temporary conditions.

In this case, how many back-end storage network IP addresses should be planned?

A.

4

B.

8

C.

16

D.

24

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Question # 28

In the era of single-choice big data, traditional technology upgrades can no longer meet the needs of big data processing. Which of the following is not big data era)

The direction of technology development?

A.

Computing is developing towards clustering

B.

is developing towards virtualization

C.

The network develops in a higher direction, lower protocol overhead, and more effective direction.

D.

From non-relational database to relational database development

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Question # 29

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 # 30

Regarding the split of remote replication, which of the following statements is correct?

A.

Splitting can only be performed on the main-end array

B.

Splitting can be performed on both the master and slave end arrays

C.

Splitting can only be performed on the slave array

D.

After executing the split on the master array, it is necessary to execute the split on the slave array again

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Question # 31

Single choice The daily inspection performance indicators of the big data storage system include

A.

Disk utilization

B.

CPU utilization

C.

Memory utilization

D.

Node throughput

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Question # 32

Multiple choices, which of the following descriptions of the Huawei Oceanstor 9000 product system is correct? (multiple choices)

A.

MDS service is responsible for managing the metadata of the file system

B.

DS service is responsible for storing the file data of the system, but not the storage of metadata

C.

CMS service is responsible for device management of the physical nodes of the cluster Some nodes in D. system are responsible for providing MDS services, and some nodes are responsible for providing DS services

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Question # 33

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

A.

Can only take over Huawei storage devices

B.

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

C.

Distributed microservice architecture, high reliability

D.

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

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Question # 34

Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()

A.

Support users to set the capacity of read cache and write cache separately for each SmartPartition partition

B.

The SmartPartition feature is effective for both block business and file business

C.

Support setting SmartPartition in units of business LUNs

D.

The resources of each SmartPartition can only be accessed independently

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Question # 35

In the HyperMetro dual-active data center solution, the quorum server mode has higher reliability than the static priority mode.

It can ensure the continuous operation of the business under various single point of failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server model. A. True

B. False

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Question # 36

In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()

A.

When creating a file system snapshot, because the snapshot is stored in a new location, the write operation will affect

Storage LUN write performance

B.

After the file system snapshot is created successfully, if the file system user wants to access the snapshot, he must

The snapshot directory must be remounted to be accessible

C.

File system snapshot is a copy of data generated by the source file system at a certain point in time

D.

The core technology of file system snapshot implementation is ROW

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Question # 37

The metadata in the Oceanstor 9000 object storage is mirrored to achieve redundancy between nodes. Each copy is an independent and complete

Copy to improve the security of metadata and the parallel way of metadata

Performance

A.

True

B.

False

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Question # 38

Through the InfoAllocator feature, which of the following multi-select functions can be achieved by the administrator?

A.

View users

B.

Reasonably plan users

C.

Manage and monitor users

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Question # 39

Regarding the remote replication technology of Huawei OceanStor all-flash storage, which of the following options are the features that it can support

A.

load balancing

B.

High and low interoperability

C.

Consistency Group

D.

Failover

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Question # 40

When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed () A. Network bandwidth

B. Hard disk type C.

Number of hard disks

D. RAID level

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Question # 41

In Huawei 0ceanstor 9000, the client processing the write request will divide the data according to the protection level specified by the file

The data piece is written to the power-saving memory on the corresponding node, and then each node calculates the check data piece, and writes it to each 2 node’s

Power-saving memory. After all nodes write to power-saving memory successfully, this write operation is successful.

A.

True

B.

False

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Question # 42

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 # 43

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 # 44

When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition

The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.

More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?

A.

Round Robin

B.

By CPU utilization

C.

By node throughput

D.

Comprehensive negative answer by node

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Question # 45

After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()

A.

Disk domain

B.

LUN capacity

C.

Storage pool capacity

D.

Number of LUNs

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Question # 46

Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.

A.

True

B.

False

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Question # 47

The following options are not DSS capabilities: Single selection

A.

Alarm management

B.

SLA management

C.

Service Orchestration

D.

Service release

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Question # 48

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 # 49

Differential backup is performed once a day, and the storage period of full backup and backup data is 4 weeks, regardless of deduplication, redundancy ratio, replication, etc.

Which value should the required back-end capacity be no less than?

A.

4940GB

B.

4280GB

C.

5940GB

D.

5280GB

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Question # 50

The network file sharing protocols supported by the NAS system mainly include: (multiple choice)

A.

FAT32

B.

NTFS

C.

NFS

D.

CIFS

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Question # 51

Back-to-back mode, answer mode, which completes the coding and decoding work in the FCoE protocol, is the following single-choice layer

Second-rate.

A.

Ethernet

B.

FC-2

C.

FC-3

D.

FC-0

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Question # 52

About the machine of Oceanstor 9000's 10GE networking solution

Cabinet configuration description, the following statement is wrong: (multiple choice)

A.

Nodes are placed in the cabinet first from top to bottom

B.

The management switch is recommended to be placed in the basic cabinet

C.

The back-end business network switch is recommended to be placed in the expansion cabinet

D.

Huawei provides tools to assist in calculating the power consumption of the system. In actual projects, the total power consumption of each component in the computer cabinet should be

Line deployment

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Question # 53

Huawei Oceanstor 9000 FTP service features include: (multiple choice for this question)

A.

The unit of FTP sharing is a directory, and the shared directory can be accessed by multiple clients

B.

It can provide the status of business nodes to achieve load balancing, and data access is evenly distributed in the cluster.

C.

Provide shared services externally in a cluster mode, and nodes can monitor each other's service status

D.

Compatible with multiple operating systems

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Question # 54

Backup can be regarded as a low-level disaster tolerance. Backup is the basis of disaster tolerance. Disaster tolerance can replace backup.

A.

True

B.

Paving error

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Question # 55

The value of Huawei OceanStor 9000 InfoTier is reflected in:

A.

It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.

B.

Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.

C.

Improve system storage performance and realize intelligent data management.

D.

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.

Full Access
Question # 56

HyperMetro guarantees the real-time synchronization of data between the storage arrays of the two sites through the cross-site data real-time mirroring function.

The data center array needs to record the write log when it receives the write I/O. Only the address information is recorded in the log, and the specific write data content is not recorded. The log

Use memory space recording with power-down protection capability to obtain good performance.

A.

True

B.

False

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Question # 57

Which of the following descriptions of the cloud storage system is correct? (multiple choice)

A.

Huawei's cloud storage system can only provide storage services to Huawei's cloud platform and users on it

B.

Huawei's cloud storage system can provide storage services for users of the VMwaxe cloud platform. C. OceanStor9000 storage system

It will also become part of the cloud storage system in the future

C.

The scalability of the OceanStor9000 storage system is better than that of the cloud storage system

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Question # 58

Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices

A.

Make full use of the existing network and save costs.

B.

Does not affect the performance of the production host.

C.

Good backup performance.

D.

Both control data and backup data are transmitted through the business network.

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Question # 59

An OceanStor 9000 storage system consisting of 6 P36 nodes, which of the following are composed of? (multiple choice)

A.

Front-end business network

B.

Back-end storage network

C.

wushan file system business management network D. IPNI management network

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Question # 60

In the Huawei Oceanstor 9000 system, if the client's access to the storage system nodes is unevenly distributed,

After re-adjusting the partition, you need to unmount the shared directory in each client and remount it with the assigned domain name

A.

True

B.

False

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Question # 61

When analyzing and adjusting the factors that affect the performance of the Huawei 0ceanstor 9000 client, the steps involved are as follows:

A.

Check and adjust external interference factors

B.

View performance indicators of performance monitoring tools

C.

Check and adjust the system configuration

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Question # 62

Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes,

And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)

A.

6+1

B.

4+2

C.

6+4

D.

12+2:1

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Question # 63

Multiple choice The following descriptions are correct for the CIFS protocol: (multiple choice)

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 # 64

Which of the following options does not belong to the single-spot structure of FusionStorage.

A.

Management network

B.

Tenant Network

C.

Cluster storage network

D.

Back-end storage network

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Question # 65

In the Oceanstor 9000 storage system, which of the following system resources can be controlled by the InfoAllocator feature?

A.

storage space

B.

user

C.

number of files

D.

user group

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Question # 66

In the master-backup disaster recovery plan, the applications that can be protected by RD currently include: (multiple choice)

A.

Oracle

B.

VMware

C.

FusionSphere

D.

SQL Server

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Question # 67

On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions

Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro’s high-reliability technology is mainly reflected in

Which of the following? (multiple choice)

A.

Cross-site cluster

B.

Cross-site data real-time mirroring

C.

Arbitration to prevent split brain

D.

Cross-site bad block repair

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Question # 68

Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:

A.

CS

B.

CA

C.

VSA

D.

MA

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Question # 69

The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.

When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True

B. False

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Question # 70

Which of the following statements about global data deduplication is incorrect: Single selection

A.

Multiple deduplication copies with different storage strategies use the same DDB.

B.

Multiple deduplication copies with different storage strategies use the same disk library and deduplication properties.

C.

Multiple deduplication copies with different storage strategies use the same deduplication pool as the backup target.

D.

The backup data retention period of multiple different storage strategies needs to be the same

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Question # 71

The cloud storage system provides the ability to pool hardware resources of different vendors and specifications downwards, and supports block, file, and object storage upwards.

The protocol and APTI required for storage services, a flexible, flexible storage system.

A.

True

B.

False

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Question # 72

Single-choice NFS is a method to realize disk file sharing between Unix systems. It supports

A system protocol for data in the server disk.

A.

True

B.

wrong

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Question # 73

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 # 74

Regarding the global deduplication technology adopted by the block service, which descriptions are correct for multiple choices ()

A.

Filter data that is not highly repetitive through the opportunity table

B.

The fingerprint of the data block enters the opportunity table count first, and only the same data block is written to the threshold multiple times before it can enter the fingerprint table to perform deduplication

C.

The distributed storage space is huge. In order to reduce the memory space consumption of the fingerprint table, the mechanism of the fingerprint opportunity table is introduced

D.

The fingerprint table has a small memory footprint, which can support the deduplication of a larger capacity system

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Question # 75

Single choice Which one of the following statements about unpacking and inspection is incorrect?

A.

If there are errors or shortages during unpacking and inspection, please fill in the "Cargo Error Feedback Form" and feedback to the local office

B.

When unpacking and inspecting the goods, the engineering supervisor can unpack and count the goods separately

C.

If the goods are inconsistent with the packing list, the unpacked equipment should be transferred indoors for proper storage

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Question # 76

Which one of the following options incorrectly describes the Huawei Oceanstor 9000 file pool strategy?

A.

create strategy is used to determine the initial placement location of the file when creating a file system file. The conditions of this type of strategy include storage path, file File name, UID/GID

B.

Nodes can be classified as required, and the load balancing system for each partition supports the configuration of independent load strategies and independent access domains. First name

C.

Load balancing strategy can be based on: CPU, memory, bandwidth, number of network connections, node capacity value

D.

Oceanstor 9000's load balancing service support; round robin

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Question # 77

In the Huawei OceanStor backup solution, when configuring the backup software to create a storage strategy, you need to consider which of the following configurations

Module, (multiple choice)

A.

Backup media

B.

Deduplication strategy

C.

Retention period

D.

Number of write streams

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Question # 78

After testing, the bandwidth of the two data centers of the customer is 155Mbit/s, the peak write bandwidth of an application is 9.8MB/s, and the average

The write bandwidth is 300KB/s, the average write I/O size is 4KB., and the bandwidth utilization rate is 70%. Colleagues choose active and standby synchronous remote replication for disaster recovery

Scheme, the scheme:

A.

Not feasible, 200Mbit/s is required to calculate the bandwidth.

B.

Not feasible. The primary and standby synchronous remote replication disaster recovery solution requires that the bandwidth utilization rate must be >80%.

C.

Not feasible. The primary and standby synchronous remote replication disaster recovery solution requires that the write I/O size must be less than 2KB.

D.

Feasible, because the conditions meet the requirements of the primary and standby synchronous remote replication disaster recovery program.

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Question # 79

(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:

A.

Capacity quota

B.

File quota

C.

Calculate quota

D.

Mandatory quota

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Question # 80

In Huawei’s local high-availability solution, if the HyperMirror feature is adopted, which feature must also be used to correct the difference?

The structure stores the entire column to create a mirror.

A.

HyperMitror

B.

Smartvirtnalization

C.

HyperClone

D.

HirperReplication

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Question # 81

During the installation of Commserver, if cS and Agent are on the same network segment, there is no need to configure the hosts file.

Pieces.

A.

True

B.

False

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Question # 82

(multiple choice) In an OceanStor 9000 system, the total number of nodes is 10, and the data protection levels that can be configured for it are:

A.

RAID1

B.

6+3

C.

6+4

D.

6+5

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Question # 83

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 # 84

In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation

Build order.

A.

Media server B. Backup proxy client

B.

Production and storage

C.

Backup media

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Question # 85

A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and configured the InfoRevive feature

When providing fault-tolerant functions for video surveillance systems, which fault-tolerant modes can be selected

A.

Read fault tolerance mode

B.

Write fault tolerance mode

C.

Read and write fault tolerance mode

D.

Verify fault tolerance mode

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Question # 86

LLD (Lom Level Desigm, detailed design) is to clarify the scope and scope of the network design based on the determined target network architecture.

Function deployment plan: The specific design content includes the interaction process of the important business that the customer pays attention to within the scope of the contract, and all the business is in each network element

Function allocation, design of peripheral docking relationship of network elements, docking requirements and compliance with specifications, quantitative calculation of docking resources.

A.

True

B.

Wrong

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Question # 87

Large e-commerce company A purchased Huawei's hyper-converged storage products to build a private cloud. Which of the following options reflect the advantages of the product ()

A.

Unified service catalog

B.

Unified management of physical resources and virtual resources, support for unified management of heterogeneous virtualization

C.

The self-service delivery process enables users to quickly obtain the resources they need

D.

Unified presentation of management information such as alarms, topology, performance, reports, etc. of multiple cloud service resource pools

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Question # 88

Which one of the following descriptions about the unified namespace is incorrect?

A.

As the root directory of the entire system, the namespace cannot be shared or accessed. Only the subdirectories below it can be shared and accessed.

B.

The namespace is automatically created when 0ceanStor 9000 is started, and its name is consistent with the system naming.

C.

A unified name space provides users with a unified storage resource pool to achieve centralized management and allocation of storage space.

D.

Each file sharing directory is a subdirectory of the namespace

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Question # 89

An enterprise needs to continuously protect the data of its important business, and needs to monitor the number of LUNs without affecting the business.

According to different operations, such as: report generation, data testing, data analysis, etc. Which of the following characteristics can meet the requirements of the enterprise ()

A.

SmartVirtualization

B.

HyperCDP

C.

SmartCache

D.

HyperLock

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Question # 90

A company purchased multiple sets of Huawei distributed storage, deployed them in multiple data centers, and used object service remote replication to build a disaster recovery system.

If these distributed storages are planned in the same area, then this area has one and only one default cluster, and other clusters are non-default clusters.

Identify the cluster.

A.

True

B.

Wrong

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Question # 91

Regarding the characteristics of a single file system in Huawei distributed storage, which of the following option descriptions are correct ()

A.

When accessing a single file system, users need to pay attention to the specific data storage location

B.

Automatically create a unified file system when the system starts

C.

In a single file system, file collections are presented as directories

D.

The system provides a unified file system for accessing all available space

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Question # 92

Large Internet company A plans to purchase Huawei's all-flash storage series to protect its key business. Which of the following products

Products to choose from

A.

OceanStor 2800 v5

B.

OceanStor Dorado 6800 v6

C.

OceanStor 9000

D.

OceanStor Dorado 5600 v6

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Question # 93

The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:

A.

The I/O priority is based on the priority of the LUN where the IO is located. The priority of the LUN is determined by the user according to

The business importance of deployment on the LUN is determined

B.

When the hard disk occupancy rate is too high, in order to ensure the reliability of the hard disk, the system will add time to the low priority I/O

Delay to control, and try not to affect high-priority I/O

C.

I/O priority scheduling resources include front-end host concurrent resources, back-end hard disk concurrent resources,

CPU computing resources and cache resources

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Question # 94

In order to improve the reliability of its important business, an enterprise deployed in a data center room A and room B

With regard to the local active-active solution, which of the following statements is correct about this solution:

A.

The active-active replication network in the two-machine room simultaneously carries data synchronization and heartbeat information between storage systems

Sync and other various data

B.

Computer room A and computer room B need to be in the same fault domain

C.

The network types from the same business host to two active-active storage devices can be different

D.

The arbitration server must use the host in computer room A or computer room B

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Question # 95

What level of RPO and RTO can synchronous remote replication meet?

A.

RPO>0 RTO>0

B.

RPO=0 RTO≈0

C.

RPO≈0 RTO=0

D.

RPO=0 RTO=0

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Question # 96

Which of the following multiple-choice types are included in Huawei's scale-out file storage nodes?

A.

High-performance storage nodes

B.

Data storage node

C.

Data processing node

D.

Large-capacity archive node

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Question # 97

Which of the following options is correct for the description of the multi-version function of the bucket:

A.

Users can use the multi-version function to save, retrieve and restore each version of the object.

B.

Multi-version function cannot be used for data retention and archiving

C.

The multi-version status of the bucket can be configured and queried.

D.

Whether the multi-version function of the bucket is turned on or off is marked by the multi-version status of the bucket.

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Question # 98

An enterprise purchased a set of Huawei hybrid flash storage system, and multi-selected plans to configure NAS services to facilitate file storage and

Sharing, which of the following options are correct in planning and design ()

A.

Regular application software can be set to be accessible by every account

B.

The access clients of each department must be in the same network segment with the NAS sharing service IP of the storage device

C.

NAS is based on file system sharing and has nothing to do with storage pools, so there is no need to consider the configuration of storage pools

D.

The financial department has high data security requirements and can restrict the account access rights of non-financial department personnel

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Question # 99

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

A.

Protection expired

B.

Protection status

C.

Unprotected state

D.

Additional status

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Question # 100

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

A.

Does not occupy the resources of the source.

B.

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

C.

Can not save transmission bandwidth.

D.

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

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Question # 101

An enterprise plans to create continuous data protection for its instant transaction business, and to ensure that users do not affect the business

In the case of business, which of the following features can achieve the requirement ()

A.

HyperMetro

B.

HyperReplication

C.

HyperCDP

D.

HyperSnap

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Question # 102

What is wrong about quota and statistics description among the following options:

A.

When the bucket capacity reaches the configured bucket quota, no more write operations can be performed on the bucket.

B.

Bucket resources available for statistics include the size of the bucket, the number of buckets owned, and the number of objects in the bucket.

C.

Account resources available for statistics include account quota, number of buckets owned, number of objects, and total capacity.

D.

When the total bucket capacity of the account reaches the configured account quota, the account can no longer perform write operations.

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Question # 103

(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?

A.

NIS authentication

B.

LDAP authentication

C.

Client IP address/host name authentication

D.

Local user authentication

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Question # 104

In the VMware backup scenario, in the non-SAN transfer mode, the backup data is transferred to the VSA through the ESXi host.

Write to backup media via MA.

A.

True

B.

False

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Question # 105

Backup strategy management does not include: single selection

A.

Backup time

B.

Back up the network

C.

Backup content

D.

Backup destination

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Question # 106

The SmartCache feature of Huawei hybrid flash storage is most suitable for which of the following scenarios?

A.

Write random small I/O scenarios

B.

Read random small I/O scenario

C.

Write sequential I/O scenario

D.

Read sequence I/O scenario

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Question # 107

In the file system, which scenarios will modify the metadata

A.

Delete files (including soft links) or directories

B.

Modify properties

C.

Rename

D.

Create files (including soft links) or directories

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Question # 108

Engineer A finds an abnormality in the storage during the daily inspection, and calls the Huawei technical support hotline for help, and technical support instructs engineer A

Complete the collection of information of the business host. The operating system of the business host is Linux, which of the following collected commands are correct ()

A.

Execute the upadmin show vlan command to query all or specified virtual disk information

B.

Execute the rpm -qa|grep UltraPath command to check whether the multipath software is completely installed. If the system displays the UltraPath Relevant information indicates that it has been installed

C.

Execute service firewall stop to turn off the firewall

D.

Execute the upadmin show upconfig command to view the multipath configuration

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Question # 109

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()

A.

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

B.

Snapshot rollback speed can reach the second level

C.

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

D.

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

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