What is a packet? What is packet switching? How would you explain the concept of packet switching? What are the advantages and disadvantages of packet switching over circuit switching?
How would you describe "what is the internet?" How does it work? What makes the internet the same/different (technology wise) from other packet networks? (You may need to do additional research on different WAN technologies). What's the difference between the internet and the World Wide Web?
How would you describe "what is the internet?"