Cisco Certification - The OSI Model Isn't Just For Exams Anymore!
One reason is that Cisco demands you know the OSI model inside and out for both the Intro and ICND exams. You have to admit that's a pretty good reason, but still, students find the OSI model information to be very dry. I understand that, because I've been there. More ...
Configuring Internal Cisco Router Security
Network security is a hot topic today, and will only increase in importance in the months and years ahead. While most of the attention is paid to exterior threats, there are some steps you can take to prevent unwanted Cisco router access from within your organization. More ...
Cisco Routers for the Desperate: Router and Switch Management, the Easy Way
This book is MUST have for when you need to make a quick change on a cisco router and don't have time to review. This book walks you through from logging in to making your router changes right from the beginning of the book. More ...
Cisco Certification - The Joy Of Hex
The decimal numbering system, concerns itself with units of ten read from read from right to left. Hex numbers are read much the same way, except the units here are units of 16. The number 15 in hex is read as having five units of one and one unit of sixteen. More ...
Cisco Certification - Five Things To Do DURING Your CCNA Exam
There are plenty of articles out there about how to prepare for the CCNA exam. However, there are also things you can do to increase your chances of success on exam day during the most important part of the entire process - the time that you're actually taking the test. More ...
Accessing a Cisco IOS Device
There are several ways to access the Cisco device's CLI (Command-Line Interface). The most common methods are the console management port, using Telnet or SHH, or the AUX port. More ...
Router Simulator for Cisco Lab Scenarios
"A simulator can provide realistic Cisco router problem challenge scenarios. There are many free Cisco router simulators on the Web.This article reviews them and narrows it down to four applications. More ...
Comprehensive Explanation of Basic Cisco Routing Protocol
This article is a comprehensive explanation of IPv4 routing protocol covering everything from staic and dynamic route configuration through hierarchical design and load balancing to routing protocol troubleshooting. More ...
Cisco IOS (Internetworking Operating System)
Cisco IOS is a proprietary operating system that runs on most Cisco Systems routers and switches. It is vital to comprehend the different prompts you can use when configuring a router or switch. More ...
How to Select a Network Switch
The network switch is the most common network device with most network infrastructure and as such selection of new switches or upgrading is a key part of most network design projects. Wireless designs will have switches interfacing with access points. More ...
Choose the Right Switches for Your Local Area Network
Organizations are entering another cycle of Local Area Network upgrades due to two recent technology changes. One is that 10Gb Ethernet are now standard connections on servers. Here's how to choose the right switches for your local area network. More ...
Wireless Network Components - Basics of Any Wireless Network
Any client computer, laptop or wireless device with a compatible wireless client adapter allows connectivity with an access point. The client adapter is a radio transmitter with firmware that supports any of 802.11a/b/g signaling. That is needed before the device can associate and authenticate with the access point. More ...
Cisco Certification - Taking Your First Certification Exam
Walking into a testing center for the first time can be a nerve-wracking experience. You've got enough on your mind just keeping all that new information straight without worrying about what the testing experience will be like. Let's take a look at what you should expect when taking your first Cisco certification exam. More ...
