1) What is the significance of a layer 3 switch when compared to a layer 2 switch?
2) How does a router differ from a layer 3 switch? Under what circumstances would you want to use a router?
3) Under what circumstances would you want to use a multiprotocol router?
4) Define POTS. Will digital network make POTS obsolete?
5) Compare and contrast BRI, PRI, and B-ISDN. First define these acronyms and then talk about them. How does broadband ISDN differ from narrowband ISDN?
6) Compare and contrast ring architecture, star architecture, and mesh architecture. Which of these architectures will be used by the Internet?