Which of the following buses has a maximum data transfer rate of 2400 Mbps?

Question

Options

• AFireWire 800
• BeSATA
• CUSB 1.1
• DUSB 2.0

• A
  15% (5)
• B
  76% (25)
• C
  3% (1)
• D
  6% (2)

Explanation

External Serial Advanced Technology Attachment (eSATA) is an external Interface and provides hot swappable hard disk drive solution. It is an external interface for Serial Advanced Technology Attachment (SATA) technology. It is designed to support hot-plugging. Hence, it allows users to connect a hard disk drive while the computer is running. eSATA has data transfer rates three times more than USB 2.0 and FireWire 400. Unlike USB and FireWire interfaces, eSATA requires its own power connector. eSATA supports a maximum data cable length of two meters. It has a maximum data transfer rate of 2400 Mbps. Answer option A is incorrect. FireWire 800 bus has a maximum data transfer rate of 786.432 Answer options D and C are incorrect. Universal Serial Bus (USB) is a high speed bus standard developed by Compaq, IBM, DEC, Intel, Microsoft, NEC, and Northern Telecom. It provides the Plug and Play capability of Windows to external hardware devices. USB supports hot plugging, which means that a USB device can be installed or removed while the computer is running. A single USB port can be used to connect up to 127 peripheral devices, such as CD-ROM drives, tape drives, keyboards, scanners etc. USB 1.1 has a maximum data transfer rate of 12 Mbps and USB 2.0 has a maximum data transfer rate of 480 Mbps.

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