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 ...
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 ...
Introduction to Cisco IOS (Cisco Internetwork Operating System)
The Cisco Internetwork Operating System (IOS) is a collection of network operating systems used on Cisco
network devices that to provide the network technician with an interface where they can enter commands
to configure the device to perform various networking functions. More ...
Cisco Certification - Building Your Own Home Lab
CCNAs and CCNA candidates hear it all the time: "Get some hands-on experience".
There is no learning like hands-on learning. No simulator in the world is going
to give you the experience you will get cabling and configuring your own routers. 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 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 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 ...
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 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 ...