1. What aspects of network communication are described by a protocol? 2. In what way do the P2P and multicast approaches to Internet radio broadcast differ from N-unicast? 3. What criteria should one...

1.
What aspects of network communication are described by a protocol?

2.
In what way do the P2P and multicast approaches to Internet radio broadcast differ from N-unicast?

3.
What criteria should one consider when choosing one of the four types of VoIP?

4.
What is a URL? What is a browser?

5.
What is a markup language?