Q1. Distinguish between packet switching and circuit switching: Give three advantages and three disadvantages of each one.
Q2. Discuss four advantages of layering as seen in the TCP/IP architecture.
Q3. Large files sent over the network must be broken up into smaller packets. How does the IP layer keep the packets from getting misplaced or collected out of order? Consider the three communication levels: sender, router and receiver.
1) At the sender level:
2) At the router level:
3) At the receiver level: