السؤال #1

Which of the following types of servers must be authenticated by a user to access object storage services (compatible with OpenStack Swift interface)?

A. KEYSTONEcorrect

B. LDAP

C. RBAC

D. AD

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اجابة صحيحة: A

السؤال #2

Single selection Huawei’s converged storage has the function of parallel and fast data reconstruction. Data fragments are scattered in the resource pool. After a hard disk fails, the Automatic and parallel reconstruction within the entire resource pool, only the actual data is reconstructed, and no separate hot spare disk is required.

A. True

B. False

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اجابة صحيحة: B

السؤال #3

A financial customer purchased a Huawei OceanStor Pacific series distributed storage and used the SmartEqualizer feature. If the customer wants to select the node with the lowest number of file service connections to process client connection requests, what load policy should the administrator configure?

A. By CPU usage

B. By number of node connectionscorrect

C. By node throughput

D. By file space retention rate

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اجابة صحيحة: B

السؤال #4

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

A. Automatic tiered storage

B. Quota Management

C. Directory snapshot

D. Round Robin Load Balancingcorrect

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اجابة صحيحة: D

السؤال #5

Assume an enterprise customer purchased several Huawei flash storage devices for service deployment. An engineer needs to configure Syslog notification on the storage system. Which of the following statements are false about configuration operations?

A. ADuring the configuration, the engineer needs to configure the SNMP protocol and USM users in the storage system for receiving and querying system alarms

B. BTo view the display format of Syslog content, the engineer can run the 'show notification syslog' command

C. CTo change the display format of Syslog content to CEF, the engineer can run the 'change syslog-notification format_type=cef' command

D. DIf certificates and CA certificates are generated on the Syslog server, the engineer does not need to perform any operation in the storage system

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اجابة صحيحة: AD

السؤال #6

In a city, if the Municipal Public Security Bureau needs to regularly archive the video surveillance within the jurisdiction of each police station, in such an application scenario, if the solution provided by Oceanstor 9000VIRC30 is used, which node type should the customer recommend?

A. P12 node

B. P24 node

C. P36 node

D. P72 node

E. C36 nodecorrect

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اجابة صحيحة: E

السؤال #7

Each SCSI device on the host has a SCSI address. Which of the following parts is the address composed of? (Multiple choice)

A. initiator IDcorrect

B. bus IDcorrect

C. target IDcorrect

D. LUNcorrect

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اجابة صحيحة: ABCD

السؤال #8

Which of the following types of servers must be authenticated by a user to access object storage services (compatible with OpenStack Swift interface)?

A. KEYSTONEcorrect

B. LDAP

C. RBAC

D. AD

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اجابة صحيحة: A

السؤال #9

Huawei OceanProtect backup appliance is widely used by customers in many industries because it adopts the design of CPU Core grouping + intelligent scheduling key technology. Which of the following is an advantage of this technology?

A. This technology can achieve physical and logical isolation of resources and reduce latency

B. The system can pre-fetch data and metadata of all LUNs to improve cache hit rate

C. The scheduler can distribute tasks to other cores according to the business load status to achieve load balancingcorrect

D. This technology has the problem of overloading some cores when carrying different services, resulting in high latency

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اجابة صحيحة: C

السؤال #10

Adjust the TCP parameters of LINUX clients accessing the Huawei Oceanstor 9000 cluster to improve access performance. Under the 10GE network, TCP It is recommended to increase the sending and receiving buffer size to the following values, net.ipv4.tcp_rmem='4000000 8000000 16000000'net.ipv4 +tcp_wmem='4000000 8000000 16000000' [Single Choice]

A. TRUEcorrect

B. FALSE

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اجابة صحيحة: A

السؤال #11

Create Global Zone

A. 6->5->3->1->2->4correct

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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اجابة صحيحة: A

السؤال #12

A company has a variety of services such as database applications, OLTP applications, mail service applications, and Web server applications. In which of the following service scenarios does the SmartCache feature not significantly improve performance?

A. Mail service reading business

B. Web server log businesscorrect

C. Database analysis business

D. OLTP data query business

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اجابة صحيحة: B

السؤال #13

A school customer purchased two Huawei OceanStorPacific series storages for daily business deployment. The engineer needs to configure the DPC service on the two storages. Which of the following configurations of the engineer is wrong?

A. If the upper-layer business has high requirements for data security, engineers need to configure the storage pool type as encryption type when creating a fusion storage pool

B. When creating a namespace, engineers need to select the security mode and application type

C. Before creating a fusion storage pool, engineers need to enable the file service of the node through DeviceManager before they can proceed with the subsequent creation process

D. When the storage network is RoCE networking, engineers can use the systemctl stop lIDpad

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اجابة صحيحة: C

السؤال #14

A financial customer wants to configure the DME IQ service to perform daily management of flash storage. Before setting up DME IQ, it is necessary to open the server port of the DME IQ cloud to ensure that the storage device can send HTTP requests to the DME IQ cloud normally. Which of the following ports does not belong to the ports that need to be opened?

A. 8448/TCP

B. 8900/TCPcorrect

C. 7448/TCP

D. 9448/TCP

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اجابة صحيحة: B

السؤال #15

In the Oceanstor 9000 storage system, if you want to perform complete network optimization, you need to check and adjust from two aspects: storage nodes and switches.

A. TRUE

B. FALSEcorrect

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اجابة صحيحة: B

السؤال #16

In order to improve the performance and reliability of its core business, a company configured the SmartEqualizer feature in its data storage system. In the process of configuring the address pool, which of the following descriptions about the number of addresses in the IP address segment is correct?

A. Up to 1024

B. Up to 512

C. Up to 2048

D. Up to 256correct

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اجابة صحيحة: D

السؤال #17

An enterprise has purchased a set of Huawei hybrid flash storage system, and plans to configure NAS services to facilitate file storage and sharing in various departments. Which of the following options are correct? (Multiple choice)

A. General application software can be set to be accessible to every accountcorrect

B. The access clients of each department must share the service IP with the NAS of the storage device on the same network segmentcorrect

C. NAS is a file system-based share, which has nothing to do with storage pools and does not need to consider the configuration of storage pools

D. The data security requirements of the financial department are high, and the account access rights of non-financial department personnel can be restrictedcorrect

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اجابة صحيحة: ABD

السؤال #18

When using remote replication technology to implement 3DC application scenarios, which of the following plans will be made? (Multiple choice)

A. Intra-city fiber synchronous remote replicationcorrect

B. Intra-city Ethernet asynchronous remote replication

C. Offsite fiber synchronous remote replicationcorrect

D. Offsite Ethernet Asynchronous Remote Replication

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اجابة صحيحة: AC

السؤال #19

In the single - selection RAID2.0+ technology, what is the default size of the single - selection CHUNK segmented from SAS hard disks in MB?

A. 512MB

B. 256MB

C. 64MB

D. 64KB

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اجابة صحيحة: B

السؤال #20

In the Oceanstor 9000 system, a node pool refers to a collection of nodes with the same characteristics (physical type/access specific energy), and dynamic hierarchical storage allows physical nodes in the same file system to be divided into different node pools.

A. TRUEcorrect

B. FALSE

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اجابة صحيحة: A

السؤال #21

Fill in blank If Huawei scale-out storage software is installed in low level design (LLD) mode, engineers need to use the ________ installation and deployment tool to plan nodes, networks, and clusters and export the configuration file for subsequent installation and deployment.

A. ASDT

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اجابة صحيحة: A

السؤال #22

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 one VLANcorrect

B. Multiple bonded ports can be configured on one Ethernet port

C. Multiple VLANs can be configured on one Ethernet port

D. Multiple logical ports can be configured on one bonded port

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اجابة صحيحة: A

السؤال #23

The user purchased several Huawei OceanStorDorado devices to support the database business on the existing network, but found that multipath ping-pong effect occurred during use. Which of the following descriptions about performance tuning for this phenomenon is correct?

A. During the optimization process, you can run the upadm startupdateimage command to check whether the failover function is disabled

B. During the tuning process, you can run the upadm showoption command to view the multipath configuration and confirm that the multipath function has been disabled

C. During the tuning process, you must use the show performanceport command to view the backend port performance indicators to assist in problem location

D. To address this problem, you can usually use the echo noop >/sys/block/sdc/queuelscheduler method to temporarily modify the scheduling algorithm of the block device to optimize the multipath ping-pong effect

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اجابة صحيحة: B

السؤال #24

(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?

A. Volume

B. Variety-Diversity

C. Value-value density

D. Velocity-speed

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اجابة صحيحة: ABCD

السؤال #25

Which of the following smart technologies belong to the characteristics of application in data migration scenarios? (Multiple choice)

A. smartpatitioncorrect

B. smartvirtualizationcorrect

C. smartquota

D. smart migrationcorrect

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اجابة صحيحة: ABD

السؤال #26

About the Huawei's SamtMulti-Tenant technology, which of the following statement is incorrect?

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-writecorrect

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, including tenant administrator, tenant data protection administrator, and tenant agreement administrator

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اجابة صحيحة: B

السؤال #27

Regarding the networking of the Huawei Oceanstor 9000 system, which of the following options is correct?

A. Whether it is a front-end business network or a back-end storage network, it is recommended to use two switches to connect all nodes to achieve redundancycorrect

B. Only storage nodes need to be connected to the management network, other devices do not need to be connected to the management network

C. The switches of the front-end business network can be stacked, but the switches of the back-end storage network are not recommended to be stacked

D. To meet management needs, only the first three nodes of the cluster need to be connected to the management network

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اجابة صحيحة: A

السؤال #28

Regarding the switches used in the Huawei Oceanstor 9000 system, which of the following options are correct?

A. The switches configured with the Oceanstor 9000 storage system include CE6810, S5752/S5352, and IS5023

B. IS5023 switch provides IB access

C. S5700/S5352C switches provide GE access

D. The CE6810 switch provides 10GE/GE access

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اجابة صحيحة: D

السؤال #29

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 one VLANcorrect

B. Multiple bonded ports can be configured on one Ethernet port

C. Multiple VLANs can be configured on one Ethernet port

D. Multiple logical ports can be configured on one bonded port

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اجابة صحيحة: A

السؤال #30

In the Huawei Oceanstor 9000 system, if the access storage system nodes of the client are unevenly distributed, after readjusting the partition, it is necessary to uninstall the shared directory on each client and remount it with the assigned domain name.

A. TRUEcorrect

B. FALSE

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اجابة صحيحة: A

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