Task 3 – Protocols and the TCP/IP Suite
a) What are some advantages to layering as seen in the TCP/IP architecture?
b) List the major disadvantages with the layered approach to protocols?
c) A TCP segment consisting of 1250 bits of data and 20 bytes of header is sent to the IP layer, which appends another 20 bytes of header. This is then transmitted through three networks, each of which uses a 16-bit packet header. The destination network has a maximum packet size of 500 bits. How many bits, including headers, are delivered to the network layer protocol at the destination?
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