Which one of the following descriptions about Oceanstor 9000's global cache is incorrect?

• A.All user data will only be cached in the entire cluster system
• B.The memory space on all storage servers logically forms a unified memory resource pool
• C.Data and its verification data will be cached in the global cache
• D.Data cached on any storage server can be hit in the global cache when any subsequent server receives a request to access the data

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Which of the following is not the advantage brought by global cache?

• A.To improve cache space utilization.
• B.To improve the data hit ratio.
• C.To improve the overall system performance.
• D.To improve system security and reliability.

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Cloudera Hadoop docking process includes:
1. Data preparation.
2. Verify the connection status
3. Install HDFS Plugin to Cloudera Hadoop nodes and clients.
4. Migrate business data
Which of the following options is in the correct docking sequence?

• A.1-3-2-4
• B.1-2-4-3
• C.1-3-2-4
• D.1-3-4-2

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In Huawei OceanStor Backup Solution, Huawei deduplication-based synthetic full backup can rapidly create and integrate full backups using indexes.

• A.TRUE
• B.FALSE

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Which are application scenarios of the InfoReplicator feature provided by Huawei OceanStor 9000? (Multiple Choice)

• A.Data access at the secondary site
• B.Data distribution
• C.Service disaster recovery

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