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Network Diagram Creation and Interpretation
By Sean Wilkins
Dec 5, 2011
This article is intended to be a primer on network diagrams, what the common symbols are, how the symbols are connected and how to interpret the different connectors on a diagram.
OSI and TCP/IP Model Layers
By Sean Wilkins
Nov 22, 2011
Because both the OSI and TCP/IP models are still used when describing modern day protocols, this article will take a look at them both, including their layers and how they can be related to each other.
The TCP/IP and OSI Networking Models
By Wendell Odom
Nov 21, 2011
This chapter explains the terminology and concepts behind TCP/IP. It also explains the terminology behind the OSI networking model in comparison to TCP/IP.
To Route or Not to Route: A Day in the Life of a Router
By Keith Barker
Aug 31, 2011
A lot goes into the decision process regarding routing, and it happens long before a packet arrives at the router for its turn to be forwarded. In this article, the author takes a close look at a day in the life of the router.
What Happens in the VLAN Stays in the VLAN
By Keith Barker
Aug 31, 2011
This article discusses discover the secrets of the VLAN and why it is a critical tool in today's networks.
Training Never Goes Out of Fashion: An Interview with Wendell Odom
By Linda Leung, Wendell Odom
Jun 9, 2009
Linda Leung talks with Wendell Odom about what people these days really think about the classes, the exams, and the whole idea of certification.
31 Days Before Your CCNA Exam: Connecting Switches and Ethernet Technology
By Allan Johnson
Apr 15, 2009
Allan Johnson provides late study tips and resources for Ethernet and switching topics on the CCNA 640-802 exam.
CCNA Video Mentor: ICND2, VTP Servers and Clients
By Wendell Odom
Nov 28, 2008
This video excerpt from CCNA Video Mentor: (CCNA Exam 640-802) (Video Learning), 2nd Edition covers configuring VTP on Cisco switches.
CCNA Exam 640-553 Exam Cram: Implementing Secure Management and Hardening the Router
By Eric Stewart
Oct 21, 2008
This chapter outlines some methods to protect the confidentiality of remote sessions to the router.
CCENT/CCNA ICND1 Exam Guide: Introduction to Wireless LANs
By Wendell Odom
Jul 15, 2008
This chapter examines the basic concepts, standards, installation, and security options for some of the most common WLAN technologies today.
CCNA Portable Command Guide: IPv6
By Scott Empson
Jul 1, 2008
This chapter provides information and commands concerning a number of IPv6-related topics.

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