1. What protocol in the protocol stack is responsible for forwarding a packet from a source host to a destination host
2. What protocol in the protocol stack is responsible for multiplexing and de-multiplexing ping packets to and from the application processes
3. What application data does the ping client send to the server and what is its length in bytes? (2)
4. What application data does the ping server send to the client and what is its length in bytes? (2)
5. How much overhead (in bytes) does the network stack (link layer, network layer and transport layer) in the operating system add to each ping packet? (3) 6. Network protocols format messages using network byte order. Explain network byte order and why is it used? (2)