Network Protocols

Question 1

What is a network protocol?

Answer 1

It is a set of rules about how to communicate

Question 2

What information does a network protocol contain?

Answer 2

What service users can ask for, what information to send, when to send it, how to encode the information, what to do if something goes wrong

Question 3

What are the layers of the network protocol stack?

Answer 3

5 - application
4 - transport
3 - internet
2 - network interface (link)
1 - physical