Review Questions

Complete the following review questions to test your understanding of the concepts covered in this chapter. The answers are listed in Appendix B, "Answers to Review Questions."

1:	Name the two planes of operation in a modern router.
2:	IP forwarding and IP routing are related concepts. What is the difference between them?
3:	Name common classifications of IP routing protocols.
4:	Name the three switching mechanisms supported in Cisco IOS Software.
5:	What is the critical shortcoming of the IPv4 architecture that IPv6 tries to address and how it is addressed?