Huawei h31-523 practice test

HCIE-Cloud DataCenter Operations (Written) Exam

Last exam update: Jun 14 ,2024
Page 1 out of 4. Viewing questions 1-15 out of 60

Question 1

Which of the following statements about the open protocol of the NDMP for network backup 1$
Independent of" the platform data storage?

  • A. The NAS device that supports the NDMP protocol can directly communicate with the backup server without installing the backup software client on the NAS device.
  • B. When the NDMP protocol is used, the backup software, NAS devices, backup media, and production servers must support the NDMP protocol.
  • C. During the backup, the NAS device transfers files and directories related to the backup media to the backup server. The backup server prepares indexes for maintenance.
  • D. Backup data can be read from NAS storage devices and backed up to backup media instead of production servers. This reduces the workload on production servers.
Answer:

A

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Question 2

The Simpanat provide backup, archiving, replication, resource management and distributed search
modules. Which of the following statements is incorrect?

  • A. The distributed Index technology improves the reliability and performance of the backup system.
  • B. Data classification Indexes are used to classify data files to improve data backup and archiving efficiency.
  • C. Distributed index (also tailed 2-segment Index] indicates that index Information is managed by the management server {CommServe} and media server (MedFaAgent).
  • D. evel-1 indexes are managed and maintained by the media server.
Answer:

C

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Question 3

To prevent data loss caused by misoperations, system faults, or other man-middle factor, data of the
entire system or a part of critical data is copied from a storage device of the primary computer
system to another storage device by using certain method which of the following is not keypoint of a
backup system?

  • A. RTO
  • B. HA
  • C. BW
  • D. RPO
Answer:

B

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Question 4

After the recovery policy of Huawei DR software BCManager-eReplication is deployed, you must
perform the test until the test is passed. In this case, failover r planned migration can be
implemented.

  • A. True
  • B. False
Answer:

A

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Question 5

Data backup can be used to prevent logical error such as misoperations and virus. Data backup
ensures that the system can be restored to a correct logical version

  • A. True
  • B. False
Answer:

A

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Question 6

Which of the following art physical migration solution in the Oracle database migration solution?

  • A. Data pump
  • B. ITS transmission tablespace
  • C. RMAW backup and restoration
  • D. Cold backup and restoration
Answer:

A

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Question 7

In cloud data center migration scenarios, which of the following are important meanings of
application association analysis?

  • A. Reduce the impact of migration on existing services.
  • B. Balance the migration benefits and risks.
  • C. Quick rollback can be performed If the migration fails.
  • D. Reduce migration implementation complexity and migration risks.
Answer:

A

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Question 8

In the cloud data center migration scenario, which of the following statements about P2P migration
are correct?

  • A. Use a third party system migration tool to transfer the system and data online to the target host where the OS is not installed
  • B. No manual intervention is required during the migration. The tool automatically replicates changed data in real time.
  • C. After all data is transferred, you only need to switch the data.
  • D. After the transmission is complete, the source system is dosed and reserved.
Answer:

A

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Question 9

In the cloud data center migration scenario, which of the following computer types are supported by
the Rainbow online migration tool?

  • A. KVM VM
  • B. Vmware Esx VM
  • C. Hyper-V VM
  • D. Physical machine
Answer:

B

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Question 10

In the service migration scenario, which of the following statements about the service switchover
procedure is incorrect?

  • A. After the new server is enabled, you do not need to change the corresponding record on the DNS server.
  • B. For all service systems that connect to the source server, set the connection change to the destination sew.
  • C. After the migration, check the system CPU, memory, and network performance and service access.
  • D. Stop the source server, synchronize data again (prevent new data generated during the migration), and enable the destination server.
Answer:

D

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Question 11

In the cloud data center migrate scenario, which of the following statements about configuring
eDevLUNs for heterogeneous visualization is correct?

  • A. The read/write policy of eDevLUNs "write back" applies to random access services, ensuring that data in the cache fs cached as long as possible to improve the read hit ratio.
  • B. The default read/write policy of eDevLUNs is applicable to common services to balance the hit ratio and disk access performance.
  • C. The read/write policy "Pairing" of eDevLUNs applies to sequential access services to release cache resources for other services as soon as possible.
  • D. When the eDevlUN reads data, it reads the data to be read from the hard disk in advance based on the specified policy,
Answer:

A

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Question 12

Which of the following statements about the Oracle database is incorrect?

  • A. The memory area and process that constitute an Instance are responsible for managing database data and providing services for multiple users.
  • B. An Oracle process Is called an Oracle instance.
  • C. Each running Oracle database Is associated with an Grade instance.
  • D. The Oracle server Is a database management system that provides open, comprehensive and integrated methods for information management.
Answer:

A

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Question 13

Which of the following statements about the Grade tools RMAN used to back up, restore, and
recover database is correct?

  • A. Applies to the mi citation between different database plateforms or version
  • B. The shutdown window is small, and the downtime is related to the total data volume.
  • C. Some data in the database can be* migrated.
  • D. Online physical backup without interrupting production system services
Answer:

B

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Question 14

Which of the following statements about the logical structure of the Grade database is correct?

  • A. Tablespace is a collection of multiple segments.
  • B. An extent corresponds to a block.
  • C. A segment is a collection of multiple extents.
  • D. Block Is the basic unit of I/O operations. The default value is 4 KB.
Answer:

C

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Question 15

In cloud data center migration scenarios, database migration involves the database itself and does
not involve services systems, networks or storage devices.

  • A. True
  • B. False
Answer:

B

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