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 ...
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 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 - 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 ...
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 ...
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 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 Cerfication - Should You Take The One-Exam or Two-Exam Approach?
There are now two separate paths to the CCNA certification. Candidates may take a single exam, 640-811, or two exams, 640-821 and 640-811. What's the difference? The two-exam approach involves exams with different topics and therefore different preparation techniques. The approach I recommend to a CCNA candidate depends on their background. 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 ...
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 ...
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 ...
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 ...
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 ...
