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Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 1Gbps. Suppose the propagation speed over the link is $ 2.5×10^8$ meters/sec

- Calculate the bandwidth-delay product, $R \times d _{prop}$.

- Consider sending a file of 800,000 bits from Host A to Host B. Suppose the file is sent continuously as one big message. What is the maximum number of bits that will be in the link at any given time?
- What is the width (in meters) of a bit in the link?

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