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If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

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If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

(a) n*39.8

(b) n*51.8

(c) 2n*51.8

(d) None of the mentioned

I got this question by my school teacher while I was bunking the class.

My question is taken from Physical Media topic in chapter Security & Physical Layer of Computer Network

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Correct option is (b) n*51.8

Best explanation: The base unit of transmission rates in optical fibre is 51.8 Mbits/s. So an optical carrier represented as OC-n has n*51.8 Mbits/s transmission speed. For eg. OC-3 has 3*51.8 Mbits/s speed.

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