Appendix A. Answers to Chapter ‘Do I Know This Already?’ Quizzes and Q&A Sections
For each layer of the OSI model, match the forwarding criteria used by a switch:
What is multilayer switching (MLS)?
Answer: MLS forwards traffic using information from Layer 2, Layer 3, and Layer 4—all in hardware at wire speed.
Fill in the blanks in the following statement:
In the 20/80 rule of networking, 20% of the traffic on a segment usually stays ______, whereas 80% travels________________.
Answer: Local, travels across the network
What is a collision domain, and where does it exist in a switched ...