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Huawei H13-622 Huawei Certified ICT Professional-Constructing Cloud Storage Solution Exam Practice Test

Demo: 60 questions
Total 405 questions
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Huawei Certified ICT Professional-Constructing Cloud Storage Solution Questions and Answers

Question 1

In the process of data processing in various industries in the era of big data, there will be challenges. What challenges will the public security criminal investigation industry encounter? (multiple choice)

Options:

A.

Large number of videos, manual operation, long time

B.

Poor real-time analysis ability, affecting the speed of solving crimes

C.

The image format is not uniform and the query efficiency is low.

D.

Data dispersion, lack of effective data sharing

Question 2

At Oceanstor 9000, Huawei adopts the Scale-out architecture for big data features and uses a big data storage platform launched through X86 architecture hardware.

Options:

A.

TRUE

B.

FALSE

Question 3

Which of the following is incorrect about the unpacking inspection?

Options:

A.

If there is wrong goods or out of stock when unpacking and inspecting the goods, please fill in the “Cargo Error Feedback Form” and give feedback to the local office.

B.

When the goods are inspected and inspected, the project supervisor can open the goods separately.

C.

If the goods appear to be inconsistent with the packing list, the equipment of the unpacked box should be transferred to the room for proper storage.

Question 4

The following is true about the Huawei Oceanstor 9000 product software component description?

Options:

A.

NDMP backup requires license support.

B.

InfoStamper supports creating snapshots of the root directory

C.

The Oceanstor 9000 system defaults to load in a round-robin fashion.

D.

InfoAllocator controls the user's use of storage space by capacity or number of files

Question 5

The evolution of big data technology is from distributed storage to cloud storage, from intelligent analysis to distributed analysis.

Options:

A.

TRUE

B.

FALSE

Question 6

(Optional) Which of the following modules or devices is not supported by the Huawei OceanStor 9000 FRU replacement tool?

Options:

A.

Power module

B.

Online replacement of the hard disk

C.

Cable (or optical module)

D.

IO module

Question 7

When performing maintenance on the Huawei OceanStor 9000 system, it is recommended that the system administrator perform routine checks on the account. The contents of the check include: (multiple choice)

Options:

A.

Regularly check and audit the login and operation logs of various accounts.

B.

Routinely check whether the permissions of various accounts are reasonable

C.

Routinely check if the temporary account has been deleted

Question 8

Huawei OceanStor 9000 alarm notification methods include email notification and SMS notification.

Options:

A.

TRUE

B.

FALSE

Question 9

Which of the following descriptions about the cache in Huawei OceanStor 9000 is wrong?

Options:

A.

The level 1 cache is the read cache of the storage node, and the location of the global cache is in the level 1 cache.

B.

The second level cache is used to cache the hotspot data of the node. Also cache hotspot data of other nodes in the same node

C.

The second level cache is composed of SSD disks. If there is no SSD disk in the node, there is no L2 cache.

D.

The report cache (NVDIMM) is primarily used as a write cache.

Question 10

The Huawei OceanStor 9000 integrates the hard disk resources of all nodes through DFS to provide a unified namespace.

Options:

A.

TRUE

B.

FALSE

Question 11

With Huawei OceanStor 9000 DeviceManager, we can view the real-time OPS performance indicators of the system.

Options:

A.

TRUE

B.

FALSE

Question 12

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

Options:

A.

Disk utilization

B.

CPU utilization

C.

Memory utilization

D.

Node throughput

Question 13

The description of the analysis and adjustment of the Oceanstor 9000 system NAS server parameters is wrong: (multiple choice)

Options:

A.

If the NFS transport data block is small, it may increase the number of service interactions.

B.

If the data block transmitted by NFS is large, the number of business interactions may increase.

C.

Oceanstor 9000 NFS transport block size defaults to 1MB

D.

Oceanstor 9000 NFS transport block size defaults to 32KB

Question 14

The minimum number of nodes in the Huawei OceanStor 9000 system is 3, and these 3 nodes can be of different types.

Options:

A.

TRUE

B.

FALSE

Question 15

Which of the following statements about the oceanstor 9000 InfoLocker feature is incorrect?

Options:

A.

WORM files can be modified and deleted

B.

The WORM clock can only be set once. After the setting is successful, the change is no longer allowed.

C.

When a directory is configured as a WORM root directory, all subdirectories, new directories, and new files of the directory are automatically obtained from the parent directory.

WORM attribute

D.

WORM protection submission method only supports automatic submission

Question 16

(Judgment) OceanStor9000 Wushan distributed file system, supports online node expansion, linear increase in storage capacity and computing power, most

End users with linearly increasing bandwidth and concurrency

Options:

A.

True

B.

False

Question 17

(Optional) When the following occurs, the Huawei OceanStor 9000 system does not start load balancing?

Options:

A.

Add a node

B.

Add a hard disk

C.

The hard disk appears 3 times offline within 10 minutes

D.

Hard disk pre-failure

Question 18

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

Options:

A.

T

B.

F

Question 19

(Multiple choices) IDC's description of big data features Which of the following are correct?

Options:

A.

Volume- huge amount

B.

Variety-diversity

C.

Value-value density

D.

Velocity-speed

Question 20

Which of the following types of nodes are provided by Huawei Oceanstor 9000? (multiple choice)

Options:

A.

High performance storage node

B.

Large capacity archive node

C.

Data storage node

D.

Data processing node

Question 21

In the Oceanstor 9000, if the data protection level is set to 4+2, the corresponding metadata will generate 3 identical images.

Options:

A.

TRUE

B.

FALSE

Question 22

(Optional) In Huawei OceanStor 9000, which of the following is not supported by NFS sharing?

Options:

A.

NIS authentication

B.

LDAP authentication

C.

Client IP address / host name authentication

D.

Local user authentication

Question 23

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

Options:

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 protocol

Question 24

When the Oceanstor 9000 balancing policy switch is disabled, the node is expanded, the node is deleted or disabled, the hard disk is added, the hard disk is pre-disabled, and the disk is slowed down.

In the scenario, the system does not generate a balancing task. However, if the balancing policy switch is turned on after the node is deleted, the system automatically completes the data balancing.

Options:

A.

TRUE

B.

FALSE

Question 25

When performing maintenance on the Huawei OceanStor 9000 system, you need to keep the root password of the system. Pay attention to the encryption when the password is transmitted. Mail delivery password.

Options:

A.

TRUE

B.

FALSE

Question 26

The Huawei OceanStor 9000 InfoTier file pool policy will determine the storage location of the file creation and the target grading when the file is re-striped.

Which one is incorrect about the file pool strategy?

Options:

A.

default policy has the lowest priority

B.

default policy can be modified

C.

Relationship between policy parameter combinations is OR

D.

Support up to 128 file pool policies

Question 27

Which of the following descriptions of InfiniBand technology is wrong?

Options:

A.

InfiniBand technology has the advantages of high bandwidth, low latency and good system scalability.

B.

InfiniBand technology is often applied to the connection between server and server

C.

InfiniBand technology will be widely promoted to the Internet network connection

D.

The switch is a basic component in the InfiniBand structure

Question 28

In a city, if the Municipal Public Security Bureau needs to regularly archive video surveillance within the jurisdiction of each police station, in such an application scenario, such as

With the solution provided by Oceanstor 9000VIRC30, which of the following node types should be recommended for customers?

Options:

A.

P12 node

B.

P24 node

C.

P36 node

D.

P72 node

E.

C36 node

Question 29

Which of the following is incorrect for the description of the Huawei OceanStor 9000 product?

Options:

A.

Oceanstor 9000 uses a non-fully symmetric architecture

B.

Oceanstor 9000 provides flexible seamless expansion of 3-288 nodes

C.

The Oceanstor 9000 system adopts a fully interconnected and fully redundant networking mode.

D.

Oceanstor 9000 adopts distributed cluster architecture with no single point of failure.

Question 30

(Optional) Which of the following modules or devices is not supported by the Huawei OceanStor 9000 FRU replacement tool?

Options:

A.

Power module

B.

Online replacement of the hard disk

C.

Cable (or optical module)

D.

IO module

Question 31

Which of the following statements about the file sharing protocols of the OceanStor 9000 are correct? (Select three)

Options:

A.

The OceanStor 9000 supports NFS and CIFS file sharing protocols.

B.

The OceanStor 9000 is compatible with various operating systems, allowing file resource sharing in a heterogeneous network environment.

C.

The sharing is by files.

D.

The sharing service supports automatic load balancing.

Question 32

In the IB networking solution of the OceanStor 9000, which of the following statements about the IP address planning of the front-end service network is correct?

Options:

A.

Twostatic IP addresses on the front-end service network must be planned for each node.

B.

Four dynamic IP addresses on the front-end service network must be allocated to each node for the IP address pool used by the InfoLink function.

C.

One InfoLink DNS IP address on the front-end service network must be planned.

D.

One floating IP address on the front-end service network must be planned for each node.

Question 33

The HUAWEI OceanStor 9000 can be managed using web browsers. If an OceanStor 9000 storage system uses default settings, which of the following entered in the browser address box is correct?

Options:

A.

https://IP:httpsport/webui

B.

http://IP:httpsport/tools

C.

http://IP:httpsport

D.

https;//IP:httpsport

Question 34

The mirrored-stripe file system of the N8500 clustered NAS storage systems is ideal for scenarios that require high data security and read/write performance. Which of the following is the major technical feature of the mirrored-stripe file system?

Options:

A.

Data is striped and then mirrored, as in RAID 01.

B.

Data is mirrored and then striped, as in RAID 10.

C.

Data is stored in sequenceon data disks that compose the file system.

D.

Data is stored in an interlaced manner on multiple data disks that compose the file system.

Question 35

Which of the following are necessary components of the NAS storage system architecture? (Select three.)

Options:

A.

Accessible storage array

B.

File system

C.

Interface provided for other devices to access the file system

D.

Fibre Channel switch

Question 36

Which of the following statements about the simple file system of the N8500 clustered NAS storage systems is incorrect?

Options:

A.

Data of asimple file system is stored in sequence on the data disks where the file system resides.

B.

A simple file system reads and writes multiple subdisks simultaneously, providing higher performance than reading and writing a single disk.

C.

The volume of a simple file system is formed by the subdisks of multiple data disks.

D.

The simple file system is applicable to scenarios having no special performance or security requirements.

Question 37

Object storage encryption ensures data security based on the following levels: track check, slice check, object check, and packet check.

Options:

A.

True

B.

False

Question 38

When planning RAID for an N8500 clustered NAS storage system, you are advised to configure RAID 10 for database services and random read/write services.

Options:

A.

True

B.

False

Question 39

The OceanStor 9000 can be installed in a Huavvei-supplied cabinet only,

Options:

A.

True

B.

False

Question 40

Which of the following statements about the OceanStor Toolkit installation of the OceanStor 9000 is incorrect?

Options:

A.

The OceanStor Toolkit can be installed on any storage node.

B.

The PC used for installation isconnected to a storage node through port eth0.

C.

The IP address of the network port used to upload the OceanStor Toolkit must be configured on the same network segment as the management network.

D.

After the OceanStor Toolkit is successfully installed, enter https://xx.xx.xx.xx:8088/tools in the Internet Explorer address box to go to the login page.

Question 41

Which of the following statements about reading and writing an N8500 clustered NAS file system mirror and the best practices are correct? (Select three)

Options:

A.

Equivalent to RAID 01, Mirrored-stripe is to perform file system mirroring based on striping, A mirror provides data redundancy, and data is distributed across multiple disks.

B.

Mirror is equivalent to RAID 1, Data that needs to be written to a file system is simultaneously written to two mirrors and data is read from the two mirrors based on a round- robin policy (I/Os are evenly distributed to paths in a round-robin manner).

C.

Regarding the use of Mirror, it is recommended that the space of the source file system be provided by one storage array and that of the mirrored file system be provided by another. Mirror is recommended for scenarios that require high reliability.

D.

Mirrored-stripe is suitable for scenarios that require high reliability. The performance of Mirrored-stripe is the same as that of Mirror.

Question 42

In an OceanStor 9000 storage system, the calculate quota is set to 50 GB for user A to access the /dir directory. When the amount of data that user A writes exceeds 50 GB in the /dir directory, the system allows user A to continue to write data in the /dir directory.

Options:

A.

True

B.

False

Question 43

You can use the HUAWEI OceanStor Toolkit to perform the operations such as preventive maintenance, information collection, and upgrade for the HUAWEI OceanStor 9000.

Options:

A.

True

B.

False

Question 44

The OceanStor 9000 WushanFS supports online node expansion. The storage capacity and computing capability are increased linearly, providing linearly increasing throughput and concurrency capabilities for users.

Options:

A.

True

B.

False

Question 45

If the internal link is faulty in an N8500 clustered NAS storage system, which of the following items can be skipped during troubleshooting?

Options:

A.

The heartbeat network between engines

B.

The network between an engine and a disk enclosure

C.

The Fibre Channel network between an engine and a storage unit

D.

The network between a storage unit controller enclosure and a storage unit disk enclosure

Question 46

Which of the following statements about the file system used by the OceanStor 9000 is incorrect?

Options:

A.

The file system provides a unified file system namespace.

B.

The name of the namespace provided by the file system is the same as the system name.

C.

The root directory of the namespace does not provide sharing or access.

D.

Added capacity can be directly obtained from the storage pool.

Question 47

Which of the following statements about NewSQL databases are correct? (Select three)

Options:

A.

MPP databases are not NewSQL databases.

B.

NewSQLdatabases have the capability to store and manage massive data.

C.

NewSQLdatabases support ACID and SQL as traditional databases do.

D.

NewSQLindicates various new databases that provide scalability and high performance.

Question 48

In an OceanStor 9000 storage system, the management IP address is 100.16.100.3, the front-end service network segment is from 192.168.100.1 to 192.168.100.20, the dir00l directory is shared, and the share path is /dir00l. Which of the following statements about the share access are correct? (Select two)

Options:

A.

The clients that attempt to access the share must interwork withIP address 100.16.100.3.

B.

The clients that attempt to access the share must interwork with any IP address in the network segment from 192.168.100.1 to 192.168.100.20.

C.

If the client runs the 5U5E operating system, use the mount -t nfs ipaddress:\dir001 \mnt command to mount the share.

D.

If the client runs the SUSE operating system, use the mount -t nfs ipaddress:/dir001 /mnt command to mount the share.

Question 49

An OceanStor 9000 storage system is deployed using the OceanStor Toolkit. Which of the following statements about the settings of the OceanStor Toolkit configuration file are correct? (Select two)

Options:

A.

The cluster name can be set to9000cluster.

B.

If the InfoLink license has not been purchased, you may skip the InfoLink DNS configuration.

C.

The front-end network gateway will serve as the default gateway of all storage nodes after being configured.

D.

The data redundancy ratio is thedefault ratio of all directories on the OceanStor 9000.

Question 50

Which of the following is the correct N8500 configuration procedure?

Options:

A.

Go to the welcome page. > Confirm the networking. > Select a configuration file. > Configure storage units. > Configure the NA5 engine. > Configure the device location. > Complete the deployment.

B.

Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure storage units. > Configure the NAS engine. > Configure the device location. > Complete the deployment.

C.

Confirm the networking. > Go to the welcome page. > Configure storage units. > Select a configuration file. > Configure the NAS engine. > Configure the device location. > Complete the deployment.

D.

Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure the NAS engine. >Configure storage units. > Configure the device location. > Complete the deployment.

Question 51

If homedir is enabled and a directory is specified, the OceanStor 9000 will automatically create a user directory for each user in the specified directory when local users or domain users access the OceanStor 9000 from clients for the first time. The users are authorized to read and write their own user directories. Other users, however, cannot access those user directories by default.

Options:

A.

True

B.

False

Question 52

Compared with a relational database, which of the following are advantages of NoSQL? (Select three)

Options:

A.

Flexible scalability

B.

High availability

C.

High cost-effectiveness

D.

Feature richness

Question 53

Which of the following statements about the VxVM implementation mechanism employed by an N8500 are correct? (Select two)

Options:

A.

The capacity of a physical disk and that of a virtual disk are the same.

B.

A plex consists of virtual disks.

C.

A volume consists of subdisks.

D.

The capacity of a volume can be largerthan the maximum capacity of a single physical disk.

Question 54

A 2-node N8500 clustered NAS engine is a 4 U enclosure. The heartbeat links between the two nodes are set up based on the internal PCIe channels.

Options:

A.

True

B.

False

Question 55

In performance optimization of the N8500 clustered NAS storage systems, the top command is runand the following output is displayed:

top - 01: 06: 48 up 1: 22, 1 user, load average: 0.06, 0.60, 0.48 Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3% us, 1.0% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% si Mem: 191272k total, 173656k used, 17616k free, 22052k buffers Swap: 192772k total, 0k used, 192772k free, 123988k cached

Which of the following statements is incorrect?

Options:

A.

up 1:22 indicates the current system time.

B.

load average indicates the average length of taskqueues.

C.

0.3% us in Cpu(s) indicates the CPU occupation percentage of user space.

D.

17616k free in Mem indicates the total capacity of free memory.

Question 56

Which data protection levels can be configured for an OceanStor 9000 storage system that consists of 10 nodes? (Select two.)

Options:

A.

RAID1

B.

6+3

C.

6+4

D.

6+5

Question 57

The networking of an HUAWEI OceanStor 9000 big data storage system includes which of the following? (Selectthree)

Options:

A.

Front-end service network

B.

Back-end storage network

C.

Internal communication network

D.

IPMI management network

Question 58

Which of the following interface cards can be installed in the PCIe expansion slot on the P node of the OceanStor 9000? (Select three)

Options:

A.

2-portTOE10GE network adapter

B.

2-port IB network adapter

C.

2-port GE network adapter

D.

2-port 8 Gbit/s Fibre Channel interface card

Question 59

When configuring an N8500 clustered NAS engine, a user must specify the start and end physical IP addresses and the start and end virtual IP addresses.

Options:

A.

True

B.

False

Question 60

The HUAWEI OceanStor Toolkit V100R001 is used for preventive maintenance. The preventive maintenance wizard does not include which of the following?

Options:

A.

Select Devices

B.

Select Check Items

C.

Set Check Policy

D.

Export Check Policy

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