In Windows 2012 deleting data from a volume, based on a Thin LUN, means that NO storage space will be reclaimed by the HUAWEI OceanStor V3,.

• A.FALSE
• B.TRUE

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Statement 1: FCoE is preferred over iSCSI because it uses fiber optic cables that can be much longer than Ethernet cables.
Statement 2: FCoE is preferred over iSCSI because we do not need any Ethernet switches anymore.

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

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A device can have one WWPN but multiple WWNN's.

• A.FALSE
• B.TRUE

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

• A.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
• B.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

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The following description of IOPS is wrong:

• A.If the head frequently changes lanes, and the data written each time is relatively large, then the IOPS should be the lowest number of this disk value
• B.If the IO writes a large piece of continuous data every time the channel is changed infrequently, what is done every second at this time IO frequency is relatively low
• C.If the smallest data block is written each time under the condition of infrequent lane change, such as 512 bytes, then the IOPS will be the highest value
• D.How many times IO can be performed per second, each IO is fixed according to the size of the written data

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