February 2014
Beginner to intermediate
864 pages
21h 34m
English
Content preview from Routing and Switching Essentials Companion Guide
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Appendix A. Answers to the “Check Your Understanding” Questions
Chapter 1
1. B and C. Explanation: The access layer is concerned with end device connectivity. Switches and access points provide connectivity for wired and wireless devices. Distribution layer aggregates connections from access layer switches. This layer can also define Layer 3 routing boundaries and policy-based network connectivity. The core layer is known as the high speed backbone.
2. C. Explanation: The hierarchical goal specifies a specific role for each device in the network design. Modularity allows the network to expand in a planned fashion. Flexibility ensures that network resources are available to provide traffic load sharing.
3. D and F. Explanation: The three layers ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.