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Cisco CCNA Cert Guide: Troubleshooting IPv4 Routing Part II
Aug 29, 2013
Wendell Odom helps aspiring CCNAs to troubleshoot network problems that have been narrowed down from larger parts of the network. It shows how to look for the root causes: the causes of network problems that have specific solutions that, once a change is made, will solve the original problem.
Cisco CCNA Routing and Switching Flash Cards: Understanding Ethernet and Switch Operations
Aug 19, 2013
To help in your CCNA preparations, this chapter covers the fundamentals of Ethernet technologies and describes how switches operate.
Cisco Device Configuration Management
Jan 25, 2012
This article takes a look at how Cisco organizes their configurations within a device, how these different configurations relate to each other and how they can be managed to ensure that the desired result is achieved. It also covers the procedure that can be used should the passwords to access the device be lost or forgotten.
Cisco ICND1 Foundation Learning Guide: LANs and Ethernet
Jun 24, 2013
This chapter describes and explains the basic components of a LAN as well as common Ethernet technologies and media options. It also provides review questions and additional resources to assist in preparation for the Cisco ICND1 exam.
Cisco Learning Games: More than Just Entertainment
Nov 23, 2010
In this article, you’ll take a look at some eye-opening information that shows just how effective learning games can be for increasing retention and improving skills.
Comparing Cisco CCENT to CompTIA Network+
Apr 25, 2011
The Cisco CCENT and CompTIA Network+ both position themselves as basic, entry-level networking certification credentials. This article addresses the question of whether the CompTIA Network+ is a better startup credential or whether candidates should go after the Cisco Certified Entry Networking Technician (CCENT) instead.
Configuration Scenario Labs Video Walkthrough from the CCENT/CCNA Network Simulator
Jan 8, 2014
This video walkthough of the CCENT/CCNA Network Simulator Configuration Scenario (CS) covers a "typical" CS Lab, including performing all the steps to complete a lab, Cisco IOS CLI interaction, and grading.
Configuring an IP Addressing Scheme
Feb 29, 2012
This article takes a look at the practical implementation of example ranges on Cisco IOS as well as the configuration of a basic Routing Information Protocol (RIP) network showing a complete routing table between all organizational departments.
Crafting a Personal Certification Plan (2014 Edition)
May 13, 2014
In this article, you’ll learn how to construct a personal certification plan to reflect both long- and short-term certification goals.
Creating a Basic IP Addressing Scheme
Feb 29, 2012
This article puts together an IP addressing scheme based on the requirements of an imaginary organization. The math that is required to come up with each of the networks will be covered and visually displayed to ensure that the concepts are clearer to understand.
Domain Name System Basics
Feb 29, 2012
This article takes a look at how the DNS system operates and is able to maintain a list of updated domain name to IP mappings while maintaining performance.
Ethernet Essentials
Dec 19, 2011
This article takes a look at what Ethernet is, what is contained within the Ethernet frame structure, common Ethernet LAN devices and discusses the different Ethernet interface variations.
Exam Profile: Cisco CCENT/CCNA ICND1 (640-822)
Dec 2, 2011
Wendell Odom profiles the Cisco CCENT/CCNA ICND1 640-822 exam. Find out what you can expect to see on the exam and how you can better prepare for it.
Interview with Cisco Certification Expert Wendell Odom About the New CCNP Route 642-902 Exam and the CCNA Exams
May 21, 2010
In this interview Cisco certification expert Wendell Odom takes you on a brief tour of the new CCNP ROUTE exam, talks about preparation resources and his blog, and wraps up with a discussion of CCNA exam preparation tips.
Introduction to Network Time Protocol (NTP)
Mar 20, 2012
This article serves as your introduction to the Network Time Protocol (NTP), which helps ensure that the time across network devices is accurate.
IP Subnetting Basics
Feb 29, 2012
This article is intended as an addressing and subnetting primer and will initially review what the Internet Protocol (IP) address is and how it is structured; it will then go over a number of the main IP concepts that are commonly referenced in subnetting documentation and guides.
LAN Device Review
Dec 19, 2011
This article takes a look at the different common devices that are seen on a modern network and provides a description of how some of these device functions have been combined over the last 20 years.
LAN Network Cable Media and Connectors
Dec 19, 2011
This article takes a look at the LAN network cable media that is typically installed in most environments and the different connectors that are often used.
Mastering Access Control Lists
Jul 13, 2011
This article discusses the various types of Access Control Lists (ACLs), the implicit deny all feature, the importance of order, and assigning ACLs as filters.
Mastering the TCP and OSI Models
Aug 31, 2011
This article provides you with a primer on the TCP and OSI models and presents some tricks to help remember them.

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