The peak write bandwidth of an application is 10 MB's, the average write bandwidth is 200 KB's, and the average write IO size is 4 KB. The overhead of private information is about 11%, and the bandwidth utilization rate is 70%. The network employs FC, and the synchronous remote replication mode (considering the overhead of private information) is enabled.
Then, which is the required network bandwidth?

• A.Lower than 128.4 Mbit/s
• B.Equal to 128.4 Mbit/s
• C.Not lower than 128.4 Mbit/s
• D.Not lower than 64.2 Mbit/s

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Which of the following scenarios are more suitable for using FusionInsight Hadoop technology of Huawei Oceanstor9000? (Multiple choice)

• A.Applications that write once and read many times
• B.Organizational data form processing
• C.Mass storage and retrieval of small files
• D.Mass document management with frequently changing content

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OceanStor V3 series storage systems support COW file systems. When new dab is written or data is changed, the original data will not be overwritten but the new data and data change id written into new allocated disk space. ROW file systems feature solid reliability and flexible scalability and become mainstream file systems such as ZFS, Btrfs, and nilfs.

• A.TRUE
• B.FALSE

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Which of the following concepts are used in object storage service (compatible with Amazon S3 APIs)? (Multiple Choice)

• A.Object
• B.User
• C.Bucket
• D.Account

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Based on the HyperMirror technology of the Huawei OceanStor storage array, it achieves application level local high availability, zero data loss in heterogeneous array failures, and zero business interruption (RPO=0, RTO=0).

• A.False
• B.True

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