Cisco CCNA Certification - Becoming a Truly Valuable CCNA
The CCNA is an exciting beginning to your Cisco career, but just having the certification simply isn't enough. A recruiter or interviewer isn't going to be impressed just with the cert; you've got to have some real-world knowledge to back it up. 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 ...
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 ...
Cisco CCNA Certification - The Config Register and Password Recovery
You must be prepared to reload a router when it wants an enable password, because if you don't, and there's no one available who does, you'll need to perform a password recovery technique on the router - without erasing the current configuration. 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 ...
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 - 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 - The Definitive Guide To ARP, IARP, RARP, and Proxy ARP
The basic ARP operation is simple enough. We concentrate on IP addressing a great deal in our studies and our jobs, but it's not enough to have a destination IP address in order to send data; the transmitting device must have a destination MAC address as well. More ...
Network Basics: Assigning IPv6 Addresses
If you're working in a Cisco network and assigning addresses to your IPv6 network cards, you need to know that just like IPv4 addresses there is a network portion of the address and a host portion of the address. 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 - 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 ...
Cisco Routing For The CCNA And CCNP: Administrative Distance
The definition of administrative distance is: the measurement of a protocol's believability. It's not enough to know the definition, however you've got to know when Administrative Distance comes into the picture and when it does not. More ...
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 ...
