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问题 #1

The BBUs of all controllers of Huawei OceanStor Dorado all-flash storage system have fault alarms. Which of the following descriptions is correct?

A. Business performance is not affected

B. The upper layer business 10 reading and writing will not be affected

C. If the device loses power unexpectedly at this time, some business data will be lostcorrect

D. The storage write mode is switched to write-back mode

正确答案：C

问题 #2

Which commands are used to view SCSI controller information in RHEL5.5 (with Qlogic QLE2562-CK inside)?

A. lspci | grep SCSI

B. cat / proc / scsi / scsi

C. cat / proc / scsi / qla2xxx/* | grep port

D. lspci | grep Ethernet

正确答案：ABC

问题 #3

In Huawei's active-standby disaster recovery solution, Oracle RAC clusters are deployed at production sites to ensure that the disaster recovery database application can still provide services normally when a production-side failure occurs. Which of the following statements is correct?

A. The Oracle RAC Grid files on the production side must be copied to the disaster recovery sidecorrect

B. The Oracle data files and log files on the production side do not need to be placed in the same consistency group

C. You can ensure that the disaster recovery end can provide normal services without copying the FRA file on the production end.

D. The disaster recovery end must be deployed with an Oracle RAC cluster, and cannot be deployed with an Oracle single node

正确答案：A

问题 #4

Huawei's OceanStor hybrid flash storage system can not only provide high-performance storage services for application servers, but also support various advanced data preparation and disaster recovery technologies to ensure profitable and safe operation of data services.

A. TRUE

B. FALSE

正确答案：A

问题 #5

Which of the following is not a pre-set operation and maintenance role of the unified operation and maintenance management platform DME Storage?

A. Security Administrator

B. Administrator

C. Operations Managercorrect

D. Northbound Administrator

正确答案：C

问题 #6

Distributed storage, file storage and object storage can share storage space with block storage and switch freely.

A. True

B. Falsecorrect

正确答案：B

问题 #7

An enterprise purchased a set of Huawei OceanStor 9000 storage, the company's part of the basic software is stored in a directory, that requires all staff can access the sharing, in order to facilitate the operation, do not require to enter the account password when accessing. Engineers can do this when configuring, the basic software directory is set for NFS sharing, and check "guest Enable" option under the sharing.

A. TRUE

B. FALSEcorrect

正确答案：B

问题 #8

About Huawei OceanStor18000 Smart Matrix architecture, which is not correct?

A. Scale-out: storage resources to expand as needed to increase the engine performance can be realized, capacity increases linearly.

B. All exchange: use PCIE 1.0 Total exchange network, to provide sufficient switching bandwidth to meet the stringent performance requirements.correct

C. inherent load balancing: Full live controller, balanced load sharing, improve storage resource utilization.

D. fully redundant: all component redundancy, intelligent switching component failure to meet the stringent business continuity requirements.

正确答案：B

问题 #9

The SmartPatition for OceaStor V3 storage can allocate independent cache space for different LUN. The capacity of the cache space is shared by both read and write operations.

A. TRUE

B. FALSEcorrect

正确答案：B

问题 #10

Huawei's AIOps-based financial management was the first in the industry to propose a full-lifecycle field volume autonomous driving concept based on a three-layer AI architecture for data storage and operation. Which of the following options is not included in the three-layer AI architecture?

A. Device AI

B. Network AIcorrect

C. Center AI

D. Cloud AI

正确答案：B

问题 #11

A company purchased a set of Huawei hybrid flash storage. The host is connected to the storage through a fiber optic switch. When planning the configuration of the fiber optic switch, which of the following options is the best configuration?

A. Each zone contains only one host port and one storage portcorrect

B. Each host only needs one fiber port to connect to the switch

C. All ports of each fiber optic switch are divided into one zone

D. Always use high-end fiber switches to ensure network performance

正确答案：A

问题 #12

Which of the following technologies can VMware VADP combined use for backup window double compression?

A. vCloud Director

B. IntelliSnapcorrect

C. DASH COPY

D. Virtualize Me

正确答案：B

问题 #13

When a customer uses simpana software, CS can not start normally and you need to recover the CS. Which of the following situations will cause the restoration to fail?

A. AThe backup server and the media server can not communicate properly.

B. BThe link between the backup media and the media server is down.

C. CBackup server SQL database failure.

D. DDDB is abnormal.

正确答案：C

问题 #14

A company purchased a set of Huawei storage (such as Huawei OceanStori hybrid flash memory) equipment, which uses a hard disk with a SAS interface. In addition to SAS hard disks, what other types of hard disks can this storage support? (Multiple choice)

A. NL SAS hard diskcorrect

B. SCSI hard disk

C. FC hard disk

D. SSD hard drivecorrect

正确答案：AD

问题 #15

Which description of OceanStor V3 remote file system copy is correct? (Multiple choice)

A. using the object-based layer way to get the data replication.correct

B. using the ROW-based snapshot periodic ratio way to get the data replication.correct

C. can trigger or trigger system timing synchronization manually by the user.correct

D. support the terminal file system Quota information copy to the slave side and slave side is no need to set allocation Quota.

正确答案：ABC

问题 #16

Which statements are false about the file system quota feature of OceanStor V3? (Multiple Choice)

A. A quota tree can be shared using a protocol. In addition, a quota tree that is being shared cannot be renamed or deleted.

B. You can move files (NFS protocol) or cut files (CIFS protocol) across quota trees.

C. A hard link cannot be established between two different quota trees.

D. An administrator can delete non-empty quota trees through CLI or GUI.

正确答案：BCD

问题 #17

There are many services in the 8500 clustered NAS system that support system functions, such as NFS and CIFS basic service groups. Each service group is a collection of resources, each resource has an agent responsible for managing these resources, the availability of these resources directly or indirectly affect the status of the service. Which of the following is not an NFS service group resource agent?

A. NIC

B. IP

C. disk

D. HASHAdow

正确答案：D

问题 #18

A customer's Huawei OceanStor hybrid flash storage array has a damaged controller and needs to replace the controller. Shortly after the on-site engineer replaced the controller, he found that the alarm indicator of the newly inserted controller was red and there was an audible alarm. How should the on-site engineer handle it correctly?

A. Restart the storage and observe the phenomenon further.

B. The faulty controller can be repaired by inserting it into a functioning storage of the same model and version.

C. Unplug the controller immediately to avoid further impact on the system.

D. Unplug and plug the alarm controller and observe further.correct

正确答案：D

问题 #19

N8000 clustered NAS system to provide file system sharing services, surface VxFS file system and roll features the correct statement:

A. VxFS is a non-log file system that can support more than 2T files.

B. File system snapshot using copy-on-write (copy-on-write technology) and other files together, share partition or volume storage space.

C. Provide file system-level snapshots, copy.

D. File System Snapshots, Scenarios, Replication, etc. Features are based on Storage Checkpoint.

正确答案：BC

问题 #20

When a node of the OceanStor 9000 fails, which of the following statements are correct?

A. automatically start data reconstruction

B. Need to manually start data reconstructioncorrect

C. Can't start data reconstruction

D. You should start the configuration import and then start the refactoring.

正确答案：B

问题 #21

The following description about Huawei OceanStor integrated backup solution, which is correct? (Multiple choice)

A. Designed for Small to Medium-sized Business (SMB) local solutions that support LAN-Base and LAN-Free backup.correct

B. The integrated backup node adopts the Huawei RH2288H V3 server and integrates with the industry's leading backup software. The backup server, backup media, and backup software are integrated into one chassis to reduce the time and difficulty of service engineer's delivery on the customer's existing network.correct

C. AThe integrated backup solution provides separate 2 * 10GE and 4 * GE NICs for backup data and reduces the impact of backup jobs on the business system.correct

D. When the backup data capacity exceeds the storage capacity of the integrated backup node, multiple integrated backup nodes need to be deployed.correct

正确答案：ABCD

问题 #22

A company plans to use the National Day holiday when business is not busy to shut down the IT room for circuit safety inspection. After the circuit inspection is completed, the powered-off equipment needs to be powered on. Which of the following equipment power-on sequence is correct?

A. External power supply -> server power supply -> switch power supply -> controller box power supply

B. External power -> controller box power -> server power -> switch power

C. External power -> server power -> controller box power -> switch power

D. External power supply -> controller box power supply -> switch power supply -> server power supplycorrect

正确答案：D

问题 #23

Customer M plans to use eReplication to build a disaster recovery scenario. Which of the following statements about the eReplication disaster recovery business configuration is wrong?

A. Creating a remote server is a mustcorrect

B. Create protection groups based on different application types

C. Data and business recovery requires the creation of a recovery plan

D. The establishment of eReplication disaster recovery scenarios requires a license

正确答案：A

问题 #24

In the process of SAN storage migration of AIX LVM, the design of data migration is a very important stage. Before access to the new equipment, you need to consider some issues help for the design of data migration, including ( ) (Multiple choice)

A. could/should this device be connected to the existing SAN?correct

B. how is AIX system connected to new storage devicescorrect

C. how can AIX system and data migrate from the old disk to the new diskcorrect

D. Whether the format of the file system, genus group of storage files are compatible with the new device volume

正确答案：ABC

问题 #25

A company's business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?

A. Use the top command to view CPU usage

B. Use the df command to view storage space

C. Use the iostat command to view disk IO

D. Use the free command to view network IO informationcorrect

正确答案：D

问题 #26

The three levels of Simpana backup architecture system are: (Multiple choice)

A. backup servercorrect

B. Media Servercorrect

C. backup media

D. backup clientcorrect

正确答案：ABD

问题 #27

Among the commonly used disaster recovery technologies, which of the following does not belong to host-based disaster recovery technology?

A. Database replication

B. Array replicationcorrect

C. Application replication

D. Logical volume replication

正确答案：B

问题 #28

The SmartPatition for OceaStor V3 storage can allocate independent cache space for different LUN. The capacity of the cache space is shared by both read and write operations.

A. TRUE

B. FALSEcorrect

正确答案：B

问题 #29

In the HyperMetro dual-live scenario, the storage for Data Center A and the storage group for Data Center B are built as a cross-site cluster. The following description of the cluster which is correct? (Multiple choice)

A. All storage in the cluster provides an application server with no difference in parallel access.correct

B. FC or IP can be used as the communication link between site A and site B in the cluster: The FC link can provide higher transmission efficiency, the IP link is easy to deploy without distance restrictions.

C. Dual-active LUN on two storage arrays in a cluster form a virtual dual-active LUcorrect

D. Real-time mirroring keeps real-time data of dual-active member LUN in both data centers in real time.

E. In the cluster, the controllers are equal. When one controller fails, the cluster switches the service to a lighter-loaded controller according to the load of each controller.

正确答案：AC

问题 #30

For huawei OceanStor V3 storage system prefetch strategy, which is true?

A. smart prefetching is suit for single data flow reading application, or unable to determine whether the reading application is sequentially scene.correct

B. variable prefetching is suit for fixed-size size sequentially reading application. Such as multi-user streaming media on demand, users use the same stream.

C. fixed prefetching is suitable for the database application.

D. prefetch not suitable for multi-user multimedia on demand.

正确答案：A

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