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CCNA Routing and Switching ICND2 200-105 Official Cert Guide, Academic Edition by Wendell Odom

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Chapter 6. Miscellaneous LAN Topics

Between this book and the ICND1 100-105 Cert Guide, 14 chapters have been devoted to topics specific to LANs. This chapter is the last of those chapters. This chapter completes the LAN-specific discussion with a few small topics that just do not fit neatly in the other chapters.

The chapter begins with three security topics. The first section addresses IEEE 802.1x, which defines a mechanism to secure user access to a LAN by requiring the user to supply a username and password before a switch allows the device’s sent frames into the LAN. This tool helps secure the network against attackers gaining access to the network. The second section, “AAA Authentication,” discusses network device security, protecting router ...

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