Appendix A. Answers to “Check Your Understanding” Questions

Chapter 1

1. A, C, F. Explanation: The access layer is the lowest layer, and it provides network access to users. The distribution layer has many functions, but it aggregates data from the access layer, provides filtering and policy control, and sets Layer 3 routing boundaries. The core layer provides high-speed connectivity.

2. A, C. Explanation: Converged networks have traditional user traffic as well as digitized voice and video traffic that once required separate networks. Now, instead of separate groups managing separate networks, one group of personnel can manage the network.

3. A. Explanation: Stackable switches provide fault tolerance and bandwidth availability by using special ...

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