QUESTION: 45

Which of the following statements about asynchronous remote replication of the Huawei Active-Passive DR Solution is correct?

The distance between the two data centers cannot be longer than 100 km, and the round-trip transfer latency cannot be longer than 4 ms.
The link distance between two data centers can exceed 3000 km (network distance) and the RTT is within 200 ms.
The distance between the two data centers cannot be longer than 300 km, and the round-trip transfer latency cannot be longer than 8 ms.
The link distance between two data centers cannot exceed 3000 km (network distance) and the RTT is within 100 ms.

Answer(s): D

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QUESTION: 46

In the Huawei DR Solution, at which layers can be data replication performed? (Multiple Choice)

Host layer
Network layer
Storage layer
File system layer

Answer(s): A,B,C

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QUESTION: 47

Which of the following statements about the Huawei Network-Layer Mirroring Solution is correct?

Only OceanStor storage devices can be deployed at the primary and secondary sites.
At the primary site, only OceanStor storage devices can be deployed. At the secondary site, the third-party storage devices can be deployed.
At the primary site, the third-party storage devices can be deployed. At the secondary site, only OceanStor storage devices can be deployed.
The third-party storage devices can be deployed at both the primary and secondary sites.

Answer(s): D

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QUESTION: 48

The scripts built in the Huawei OceanStor BCManager provide one-click fault recovery for VMware Server. Which operation is not included in the one-click fault recovery?

Testing whether applications are successfully started
Forcibly switching the replication relationship
Starting disaster recovery
Mapping LUNs
Recovering product services

Answer(s): E

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