You are designed a link-layer protocol for a link with a bandwidth of 10 Gbps (1 Gbps = 109 bits/second) over a fiber link with a length of 800 km. Assume the speed of light in this medium is 200000 km/second. What is the propagation delay in this link?
1
1 millisecond
2
2 milliseconds
3
3 milliseconds
4
4 milliseconds
5
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