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 ...
Cisco Certification - Suggested Toplogies For Your Home CCNA/CCNP Lab
When you make the decision to put your own home lab together for your CCNA and CCNP studies (a very wise decision, if I may say so!), the hardest part is figuring out how to spend your budget. Do you spend it all on the routers and go with a cheaper switch? Do you buy a frame relay switch? Do you buy an access server? 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 ...
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 ...
How to Configure a Cisco Router
Use a terminal emulation program to access the routers console. The router and it will show the boot up screen in the console window. You may use this set up mode to configure the router. 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 ...
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 ...
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 ...
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 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 ...
Surviving The Technical Interview
Ah, the technical interview. Nothing like it. Not only does it cause anxiety, but it causes anxiety for several different reasons. Having been on both sides of the technical interview table, I'd like to share some tips for those being interviewed. In doing so, I'll share some of the more memorable interviews I've been involved in. 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 ...
