1. The Internet Backbone consists of a group of ISPs (a) True (b) False Explain:

2. Access networks are links between ISPs (a) True (b) False Explain:

3. A LAN is Connected to the hierarchical portion of the Internet via a (a) Edge Router (b) Gateway Router (c) All of the Above (d) None of the Above

4. Elements within the Internet core are typically interconnected with (a) Wires (b) Radio (c) Fiber (d) None of the above

5. Circuit switching is the best technique for bursty data while packet switching is the best for video and voice (a) True (b) False Explain: