The questions and scenarios in this book are designed to be challenging and to make sure that you know the answer. Rather than allowing you to derive the answers from clues hidden inside the questions themselves, the questions challenge your understanding and recall of the subject.

You can find the answers to these questions in Appendix A. For more practice with exam-like question formats, use the exam engine on the CD-ROM.

1.What is RPF?
2.What is PIM?
3.What is PIM Dense Mode?
4.What is PIM Sparse Mode?
5.Describe the PIM Sparse-Dense Mode.
6.What is Auto-RP?
7.Describe the function of the BSR.
8.When is a BSR used, as opposed to auto-RP?
9.Describe the three steps to setting up multicast routing on a Cisco router.
10.A router has three interfaces (f0/0, s0/1, s0/2). The router should be configured to support multicast and to use PIM-SD and IGMP version 2 on all interfaces. List the multicast commands necessary.
11.Continuing from the previous question, the same router needs to be configured as a candidate RP for List the commands necessary.
12.What is the difference between a (*,G) route and an (S,G) route?