What is the propagation time for a 2.5-kbyte message (an e-mail) if the bandwidth of the network is 1 Gbps? Assume that the distance between the…

What is the propagation time for a 2.5-kbyte message (an e-mail) if the bandwidth of the network is 1 Gbps? Assume that the distance between the sender and the receiver is 12,000 km and that light travels at 2.4 × 10⁸ m/s.

1. a) 50 ms
2. b) 0.020 ms
3. c) 100 ms
4. d) 0.040 ms