Question: In the following problem, we send a 1 Mbyte data file from a source host to a destination host. All links in the path between

In the following problem, we send a 1 Mbyte data file from a source host to a destination host. All links in the path between the source and destination have a transmission rate of 25 Mbps. The propagation speed is 2.0 * 10⁸ meters/sec, and the distance between the source and destination is 5,000 km.

1-What is the propagation delay for this circuit?

2- Now suppose that the file is broken down into 1,000 equal packets of 1000 bytes each, and there are 20 links (19 routers) to traverse. Ignore headers that may be added to these packets. Also ignore router processing delays. Assuming store and forward packet switching at the router, calculate the total end-to-end delay.

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