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Scaling Networks Companion Guide by Cisco Networking Academy

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Appendix A. Answers to the “Check Your Understanding” Questions

Chapter 1

1. Correct answers: C, E. Explanation: All modern enterprise networks are expected to support critical applications, converged network traffic, and diverse business needs and provide centralized administrative control. Users expect enterprise networks to be up 99.999 percent of the time (not 90 percent). Support for limited growth is not a usual network design criterion.

2. Correct answers: B, C. Explanation: Using duplicate equipment and using redundant paths are two methods to help prevent network disruptions. The use of VLANs would not affect network availability. Changing the routing protocol could actually reduce availability during convergence. Loops, which are ...

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