In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?

• A.Complete data copying is unnecessary
• B.The snapshot LUN cannot be mapped to the host
• C.The storage system can generate a snapshot in seconds
• D.data use mapping table lookup

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Statement 1: Port zoning is preferred for zoning a FC switch when there are a lot of changes to the patch points.
Statement 2: Alias zoning is a user friendly version of soft zoning.

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

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Statement 1: Virtual Tape Libraries allow for a highly scalable backup strategy as storage can be added later.
Statement 2: Virtual Tape Libraries should be used when remote datacenters are NOT available.

• A.Statements 1 and 2 are both true
• B.Statement 1 is false and statement 2 is true
• C.Statement 1 is true and statement 2 is false.
• D.Both statements 1 and 2 are false

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Which of the following is not involved in the SCSI Protocol Addressing?

• A.Host ID.
• B.Device ID.
• C.BUS ID.
• D.LUN ID.

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The difference between DAS and SAN, which of the following descriptions is wrong?

• A.SAN redundant networking provides higher reliability
  B, DAS and SAN are all external storage, so storage resource sharing can be easily achieved C, DAS is suitable for small and medium-sized LAN environment with only a few servers
• B.SAN is suitable for high-end storage application environments, such as key databases, centralized storage, large-scale storage, backup and Disaster recovery and other scenarios

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