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Which of the following SCSI interfaces has a maximum data transmission speed of 40 MBps?

Which of the following SCSI interfaces has a maximum data transmission speed of 40 MBps? (Choose all that apply)

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A.
SCSI 2

B.
Wide SCSI.

C.
Fast SCSI.

D.
Ultra Wide SCSI.

Explanation:
Ultra Wide SCSI, which is also referred to as SCSI-3, has a data bus width of 16 bits (2 byte), has a bus speed of 20 MHz, and a maximum transmission speed of 40 MBps (2 bytes 20 MHz = 40 MBps).
Incorrect
Answers:
A, B, C: Wide SCSI, which is also referred to as SCSI-2, has a data bus width of 16 bits (2 byte), has a bus speed of 5 MHz, and a maximum transmission speed of 10 MBps (2 bytes 5 MHz = 10 MBps). Fast SCSI has a data bus width of 8 bits (1 byte), has a bus speed of 10 MHz, and a maximum transmission speed of 10 MBps (1 byte 10 MHz = 10 MBps).
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 143-147.


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