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CCNP BSCI Exam: Introduction to the Intermediate System-to-Intermediate System (IS-IS) Protocol

Chapter Description

Review the Intermediate System-to-Intermediate System (IS-IS) technology, its structures, and protocols by examining Open System Interconnection (OSI) routing, basic IS-IS and integrated IS-IS router configuration commands, examples, and some troubleshooting guidelines.

Review Questions

Answer the following questions, and refer to Appendix G, "Answers to Review Questions," for the answers.

  1. What is common to OSPF and Integrated IS-IS?

  2. How is the router identified in an IS-IS environment?

  3. What is the difference between NSAP and NET?

  4. What does a unique system ID define?

  5. Which network representations are supported by IS-IS?

  6. What is a pseudonode?

  7. How do two Level 1 areas communicate?

  8. How do systems find each other in IS-IS?

  9. List the types of adjacencies between IS-IS systems.

  10. How is IS-IS routing enabled on Cisco routers?