Chapter 12

 

Problem 2

 

A TCP segment consisting of 1500 bits of data and 160 bits of header is sent to the IP layer, which appends another 160 bits of header. This is then transmitted through two networks, each of which uses a 24-bit packet header. The destination network has a maximum packet size of 800 bits. How many bits, including headers, are delivered to the network layer protocol at the destination?

 

Answer:

 

3 packets are needed.

 

 

 

776 + 24 = 800

776 + 24 = 800

268 + 24 = 292