After the host installs the multipath software, which of the following descriptions are correct? (Multiple choice)

• A.LUN is automatically mapped to the host
• B.Improve link reliability and prevent single link failure, thereby avoiding system failure
• C.Establish a SCSI connection between the host and the storage device
• D.Assist the operating system to access the same LUN through multiple links to avoid logic errors

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Taking Huawei OceanStor all-flash devices as an example, which of the following descriptions of logical ports are correct? (Multiple Choice)

• A.Each logical port will be assigned an IP address to carry the corresponding business
• B.Different logical ports can be assigned the same IP address
• C.Logical ports are virtual ports that carry host services
• D.Logical ports are created based on bonded ports, VLAN ports, or Ethernet ports

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Which of the following statements about Thin LUN are correct? (Multiple Choice)

• A.After the Smart Thin feature is enabled, users can create Thin LUNs larger than the maximum physical free space of the storage pool
• B.Thin LUN cannot be directly converted to Thick LUN
• C.When Thin LUN is created, it consumes little storage capacity
• D.All LUNs in a storage pool need to enable the Smart Thin function

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Which of the following descriptions of the file access protocol is correct? (Multiple choice)

• A.The working method of HTTP protocol is B/S architecture
• B.The working methods of CIFS protocol, NFS protocol and FTP protocol are all C/S architecture
• C.The NFS protocol is used in the Windows environment
• D.The CIFS protocol is used in Linux and UNIX environments

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Which of the following storage services does Huawei distributed storage (such as Huawei OceanStor100D) support? (Multiple Choice)

• A.Chain storage
• B.Block storage
• C.Object storage
• D.File storage
• E.HDFS storage

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