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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A
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B
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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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B
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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.