An enterprise needs to provide continuous data protection for its instant transaction business, so it has created a timed HyperCDP plan for the business data LUN. Which of the following configurations can shorten the RPO as much as possible?
A. Set the "fixed period" of the timing plan to 3 seconds
B. Create multiple HyperCDP backups
C. Create HyperCDP at a specified time every day
D. Set the "reserved number" of HyperCDP to 60000
正解:A
質問 2:
Huawei SmartVirtualization feature supports offline takeover and online takeover. Which of the following statements about these two methods are correct? (Multiple choice)
A. When online takeover uses other vendor's multipath software, the camouflage attribute of eDevLUN is "basic camouflage takeover"
B. When offline takeover, the disguise attribute of eDevLUN is "not disguised"
C. When offline takeover, application server business needs to be suspended
D. Online takeover includes configuration of basic camouflage takeover, configuration of extended camouflage takeover, and configuration of third-party takeover
正解:B,C,D
質問 3:
The disadvantage of physical tape libraries is that the hardware and mechanical failure rate is relatively high, and the single-selection tape media itself is relatively fragile, susceptible to external environment (temperature, humidity, dust, etc.), and is prone to failure.
A. False
B. True
正解:B
質問 4:
The backup situation of a certain enterprise application is that on February 1, a single-selected full backup of all files and directories was performed, February 2, February 3, February 4 Cumulative incremental backup was performed. On February 5, the business disk failed. Now I want to restore to the version on February 4. What backup files are needed?
A. Feb +Feb 2
B. Feb l+Feb 2+Feb 3+Feb 4
C. Feb l+Feb 3
D. Feb l+Feb 4
正解:D
質問 5:
A large Internet company A purchased Huawei's hyper-converged storage to build an IT infrastructure platform. Which of the following scenarios can be applied? (Multiple choice)
A. Desktop Cloud
B. Database
C. Container
D. Virtualization
正解:A,B,C,D
質問 6:
Which is wrong about the concept description of object storage service (compatible with OpenStack Swift interface)?
A. Account is the owner and manager of the resource. You can use Account to add, delete, check, and configure properties for Container, and you can also upload, download, and query objects.
B. Container supports nesting, thus avoiding a hierarchical container structure.
C. Object is an object, that is data, which can be regarded as a file that can be accessed through the network.
D. Container is a kind of container for storing objects, which can be regarded as a directory that can be accessed through the network.
正解:B
質問 7:
The Erasure code redundancy technology used by Oceanstor 9000 supports higher reliability and more flexible redundancy strategies than traditional RAID algorithms. Which of the following description about the principle of Erasure code N+M is wrong?
A. For every N consecutive data blocks, M check blocks are calculated through the Erasure Code algorithm (M<N)
B. In the Erasure code storage mode, the system supports up to N hard drives
C. When data is written, it is cut into N data blocks with the same size
D. Check blocks (M<N)
正解:B
質問 8:
Between the two nodes of Huawei N8000 (V200R001) clustered NAS, how many redundant are for the heartbeat links between the two nodes?
A. 4
B. 1
C. 3
D. 2
正解:D
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