ISRO | ISRO CS 2011 | Question 1

The encoding technique used to transmit the signal in giga ethernet technology over fiber optic medium is
(A) Differential Manchester encoding
(B) Non return to zero
(C) 4B/5B encoding
(D) 8B/10B encoding


Answer: (D)

Explanation: This scheme is used for the byte synchronization and the encode/decode scheme which transmits 8 bits as a 10-bit code group. The features of this scheme are low-cost component design and good transition density for easy clock recovery. It is used by Giga-ethernet technology over the fibre optic medium.

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