DQ 1: 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?

DQ 2: 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?"

DQ 3: Select one of the types of network processors such as hubs, switches, routers, and gateways?

What are the advantages and disadvantages of your selection? What type of media is typically used for connectivity? What are the performance specs in terms of reliability, speed capabilities, and nominal distance for reliable spans with the typical media? Provide an example of how the selected network processor is used in the network.