In a large backup domain, Simpana backup software ca n be used to set multiple CSs (CommServes) for load balancing to improve efficiency.

• A.TRUE
• B.FALSE

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Which of the following options are disadvantages of HDFS components? (Multiple choice)

• A.Low hardware fault tolerance
• B.Does not support remote replication features
• C.File system performance bottlenecks are likely to occur under large-scale deployment
• D.Low capacity utilization and high cost

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Which of the following descriptions of the principle of data deduplication technology is wrong?

• A.The same data block is physically stored only once.
• B.Through the index, you can see the complete logical view of the data.
• C.The stored data block is no longer stored, and no processing is required, such as no additional index.
• D.For the data that needs to be stored, perform a hash comparison with the data block as the unit.

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In the Huawei disaster recovery solution, which description is correct about the sequence of synchronous remote replication?

• A.The host sends IO to the main storage array.
• B.Write IO data to the master and slave LUNs.
• C.The main storage array returns a successful write message to the host.
• D.The primary storage array writes I/O data to the primary LUN, and sends IO to the secondary LUN

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The QoS characteristics of the object service, for applications with different priorities, different buckets can be configured, and the TPS of the buckets and the allocation of bandwidth resources can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system to ensure the quality of service for high-priority tenants.

• A.True
• B.False

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