The topics in this chapter are the basis of the BSCN course that feeds the Routing exam. The very name of the exam—the Routing exam—suggests that there are more than likely some questions on this very topic. In this chapter, the concepts of routing with IP and the mechanics of the process are dealt with generically as a foundation for the subsequent chapters, which deal with the individual routing protocols. The topics will directly reflect questions on the Routing exam. If you do not understand the contents of this chapter, it will be impossible for you to pass the exam. Some of this chapter reviews subjects dealt with in the ICND course. The subsequent chapters assume the comprehension of the subjects covered in this chapter.
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