426 Chapter 15: BGP Neighbors
Q&A
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 does the command clear ip bgp * achieve, and why should it be used cautiously?
2. Explain the use of the command neighbor 10.10.10.10 remote-as 250.
3. State four message types of BGP.
4. Give two reasons why BGP peer groups are useful.
5. What is the difference between a peer and a neighbor?
6. In BGP, describe the purpose of the network command.
7. Explain the command neighbor {ip-address | peer-group-name} next-hop-self.

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