After replacing a disk module we check that the Alarm indicator is off, this guarantees that the module is placed correctly and functional.

• A.TRUE
• B.FALSE

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Regarding the remote replication technology of Huawei OceanStor all-flash storage, which of the following are the features that it can support? (Multiple choice)

• A.Failover
• B.High and low interoperability
• C.Consistency Group
• D.Load balancing

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A vendor's distributed storage system was put into operation for 100 days, running 24 hours a day. A failure occurred in the morning of the 10th day, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. A failure occurred in the morning of the 80th day, and it took 1 hour to recover from the failure.
Which of the following is the availability of the software system?

• A.0.9925
• B.0.9775
• C.0.9975000000000001
• D.0.9725

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An application Server cannot access a Snapshot volume.
This is because?

• A.The Snapshot is being replicated.
• B.The Snapshot is activated.
• C.The Snapshot is locked.
• D.The Snapshot is not activated.

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The remote replication feature is mainly used in disaster recovery backup scenarios. Which of the following statements about the remote replication feature are correct? (Multiple choice)

• A.The peak bandwidth of asynchronous replication is higher than that of synchronous replication.
• B.If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.
• C.The remote replication slave LUN can be mapped to the host in advance. When the primary L end fails, it can save business recovery time.
• D.During remote replication, if the replication link fails suddenly, the slave L data will be unavailable.

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