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Regarding the common protocols used by the storage, which of the following statement is correct?

Regarding the common protocols used by the storage, which of the following statement is correct?
A . ATA protocol uses parallel interface, which can only be used internally, and there are requirements for cable length.
B. SCSI protocol does not support hot plug.
C. A SAS domain can connect 15 devices.
D. FC protocol compatibility is good, long transmission distance.

Answer: A

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