220-801 Question #754: Real Exam Question with Answer & Explanation

The correct answer is C: Fiber. Fiber optic cables transmit data as light signals and can carry data over distances of several kilometers to hundreds of kilometers (depending on the fiber type and any amplification), making them by far the longest-range medium here. USB 3.0 cables are limited to approximately 3

Question

Which of the following connection types has the LONGEST transmission limitation in terms of distance?

Options

AUSB 3.0
BCAT6
CFiber
DCAT5

Explanation

Fiber optic cables transmit data as light signals and can carry data over distances of several kilometers to hundreds of kilometers (depending on the fiber type and any amplification), making them by far the longest-range medium here. USB 3.0 cables are limited to approximately 3 meters. Both CAT5 and CAT6 copper Ethernet cables are limited to 100 meters per segment without a repeater or switch. Fiber's immunity to electromagnetic interference and low signal attenuation make it the clear winner for long-distance transmission.

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