Which of the following descriptions of the iSCSI protocol are correct? (Multiple Choice)

• A.iSCSI general is responsible for generating iSCSI protocol data unit
• B.Use ATA protocol as the transmission protocol
• C.The SCSI layer is responsible for generating the command descriptor block
• D.Transmission based on TCP/IP protocol

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The new storage system has high I/O characteristics for the company's main business. When engineers design the hard disk domain, they plan the performance and high-performance tiers. Which hard disks does the company's main business correspond to?

• A.SAS
• B.NL-SAS
• C.SSDS AS
• D.SAS , SATA 4 , SSD , NL-SAS

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Based on Huawei Oceamstor distributed storage, which of the following statements about network plane division is correct?

• A.The BMC plane is used to access the management node and find the MGM1 interface of the storage node to provide transport equipment management functions
• B.The replication plane connects the storage node with the disaster recovery site for data synchronization and replication
• C.The arbitration plane is used to communicate with the double arbitration reflexive. The real plane will only be planned when both parties are in the service plan.
• D.The management plane is used for customer application docking to provide an interface for management and maintenance

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Which of the following is not an IP SAN component?

• A.Storage devices with iSCSI interface
• B.Twisted pair
• C.NIC
• D.FC switch

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In the RHEL5 operating system, which command is used to mount the sdb5 device in the dev directory to the sdb 5 directory in the mnt directory?

• A.In/dev/sdb 5/mnt/sdb 5
• B.df/dev/sdb5mnt/sdb 5
• C.cat/dev/sdb 5/mmt/sdb 5
• D.mount/dev/sdb 5/mnt/sdb 5

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