Big Data refers to the process of collecting/ processing and analyzing vast amount of data and information to gain valuable insights.

• A.TRUE
• B.FALSE

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The following description about the characteristics of the LAN-BASED backup method is incorrect:

• A.Backup data is based on LAN, which affects network performance
• B.The backup proxy will affect the performance of the application server
• C.The instruction flow passes through the LAN network, the data flow does not pass through the LAN network
• D.The backup business needs to be maintained separately, increasing the difficulty of management and maintenance

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Statement 1: RAID 2.0+ offers better protection against data loss than traditional RAID and it performs much better.
Statement 2: To rebuild a RAID 2.0+ protected failed drive takes a lot of time as all drives are involved in the rebuild of the spare disk.

• A.Statement 1 and 2 are true.
• B.Statement 1 is true; Statement 2 is false.
• C.Statement 1 is false; Statement 2 is true.
• D.Statement 1 and 2 are false.

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In which layer in the architecture of a typical Big Data processing system does the data mining and business intelligence process are performed?

• A.Data Analysis Layer.
• B.Application/Presentation Layer.
• C.Data Storage Layer.
• D.Data Processing Layer

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Which of the following statements about Huawei RAID 2.0+ are correct? (Multiple choice)

• A.Automatically reserve a certain amount of hot spare space in the hard disk domain according to the hot spare strategy
• B.Chunk size and Extent size are not adjustable
• C.RAID 2.0+ uses an independent hot spare disk
• D.Hot spare space cannot cross engine

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