Exam Preparation Tasks

Review All the Key Topics

Review the most important topics from inside the chapter, noted with the Key Topic icon in the outer margin of the page. Table 9-8 lists these key topics and the page numbers where each is found.

Table 9-8. Key Topics for Chapter 9

Key Topic Element	Description	Page Number
List	Fault-tolerant network design approaches	286
List	First-hop redundant technologies	288
List	Design considerations for high-availability networks	290
Step list	High-availability best practices	290
Table 9-1	Three categories of quality issues	293
Table 9-2	Three categories of Quality of Service mechanisms	295
Section	QoS mechanism: Classification	296
Section	QoS mechanism: Marking	297
Section	QoS mechanism: Congestion management	298
Section	QoS mechanism: Congestion avoidance	298
Section	QoS mechanism: Policing and shaping	299
Section	QoS mechanism: Link efficiency	301