220-801 Question #10: Real Exam Question with Answer & Explanation

The correct answer is B: eSATA. Comparing the listed interfaces for external storage throughput: USB 2.0 maxes out at 480 Mbps (~60 MB/s); FireWire 400/800 tops out at 400–800 Mbps; CAT5 is a network cable, not a storage interface, and is irrelevant here; eSATA (external SATA) delivers up to 3 Gbps (~300 MB/s)

Question

A technician needs to configure a computer with an external storage drive. Which of the following interfaces would provide the FASTEST throughput?

Options

AUSB 2.0
BeSATA
CCAT5
DFireWire

Explanation

Comparing the listed interfaces for external storage throughput: USB 2.0 maxes out at 480 Mbps (~60 MB/s); FireWire 400/800 tops out at 400–800 Mbps; CAT5 is a network cable, not a storage interface, and is irrelevant here; eSATA (external SATA) delivers up to 3 Gbps (~300 MB/s) for SATA II or 6 Gbps (~600 MB/s) for SATA III. eSATA provides a direct SATA connection to external drives, making it the fastest option among these choices for storage throughput.

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