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Cisco Certification

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 ...

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 ...

Wireless Network Site Survey Overview
The wireless site survey is an assessment of signal coverage per each access point within a specific building. It confirms with the client 100 percent coverage at a specified signal guaranteeing employees will have no issues with sending wireless packets across the network. 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 ...

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 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 ...

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 ...

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 ...

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 ...

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