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 Cisco Certification: An Introduction To Multilayer Switching And SVIs
Switched Virtual Interface (SVI) configuration and troubleshooting on Cisco multilayer switches is examined in this Cisco certification tutorial. How to assign IP addresses to SVIs, configure default gateways on hosts, and test inter-VLAN communication, all from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Remove the Case Cover (Step 2 in a 21 part articles series on building your own computer)
Probably the easiest step in building your PC. Do it wrong and you end up wih a fancy door stop.
Author: Chuck Lunsford
Building Your Own PC ... It's as easy as 1 - 2 - 3
Want to own a top of the line PC? How about building it yourself? If it seems impossible or unlikely that you could manage it then read on and see just how simple it can be.
Author: Chuck Lunsford
Network Media
A communication between two computers is not possible without a transmission medium. There are different types of media, which have different properties, and the selection of media depends entirely on the needs, size, and environment of the network. The most commonly used transmission medium is copper and fiber optic wires, air, and radio waves. This section deals with different types of cables used to connect the computers in a network.
Author: uCertify Team
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TCP/IP addressing and subnetting a network
A TCP/IP address, generally referred to as an IP address, consists of a thirty-two bit binary number that uniquely identifies a device on a TCP/IP network. It is logically divided into four groups and is presented in dotted binary notations. Each group contains eight bits (one byte) and every node on the TCP/IP network is assigned a unique TCP/IP number (IP address) for the identification of the node. Each IP address is separated internally into two parts: a network ID and a host ID.
Author: uCertify Team
Windows Cleaner: Protect Your Online and Offline Privacy
It is prudent to install a window cleaner on your computer to protect your privacy against large-scale personal identity theft threats prevalent these days.
Author: Arvind Singh
Network Protocols
Protocol is a set of rules and conventions by which two computers pass messages across a network. Sets of standard protocols facilitate communication between the computers in a network having different types of hardware and software. Both the sender and the receiver computers must use exactly the same set of protocols in order to communicate with each other. A protocol can lay down the rules for the message format, timing, sequencing, and error handling.
Author: uCertify Team
How to prepare for the Microsoft Certified Desktop Support Technician (MCDST) Certification
A research by the U.S. Department of Labor shows that Computer support specialists held about 500,000 jobs in the year 2002, but at present there is still a shortage of skilled individuals to do this job. According to this research this is a fastest growing occupation through 2012.
Author: uCertify Team
Used foundry networks hardware remains in high demand
Demand for Foundry Networks hardware shows strong growth in correlation to overall market for used networking equipment.
Author: Razvan Marian Jr
Windows Server 2003 Active Directory and Network Infrastructure
Windows Server 2003 Active Directory is a centralized database that stores the collection of information about all the resources available on the Windows Server 2003 domain.
Author: uCertify Team
Used Foundry Networks: Used IT Gear Goes Mainstream
The market for used IT hardware grows up as an increasing number of companies accept unavoidable risks for price savings.
Author: Peter Gilberd
How the Internet actually works
How the Internet works, from what goes through the wires and how they connect, to how meaningful activities are performed.
Author: Chris Graham
Cisco CCNA / CCNP Exam Tutorial: EIGRP Dual Queries, SIA, And Stub Routers
Learn how EIGRP Dual queries, Stuck In Active, and Stub Routers all work together from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco CCNA / CCNP Certification Tutorial: Frame Relay End-To-End Keepalives
You know the Frame LMI is a keepalive, but did you know that Frame offers an end-to-end keepalive as well? Learn these vital exam details from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco CCNA / CCNP Certification Exam Tutorial: Configuring PPP Callback
Configuring and testing PPP Callback is an important part of passing the Cisco CCNA and CCNP exams - but it's also important in production networks. Learn the "hows" and "whys" of PPP Callback from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco CCNA / CCNP Certification Exam Tutorial: Floating Static Routes
Knowing when and how to configure floating static routes is an important skill on your Cisco certification exams, as well as working in real-world networks. Learn all about floating static routes from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco CCNA / CCNP Exam Tutorial: Testing ISDN Links Without Pings
Testing ISDN links with pings is fine, but there's another way to do it that ensures your basic ISDN link is functioning. Learn all about this method from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco CCNA / CCNP Certification Exam: Cabling Your Home Lab
Putting together a Cisco home lab is a great idea, but sometimes choosing the right cabling can be a little confusing. Learn the details from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Cisco / Microsoft Computer Certification: Be Ready For Your Opportunity
If you're in Information Technology or want to break in, you've got to be ready when opportunity comes along - and you do that by planning ahead and working today. Learn how from Chris Bryant, CCIE #12933.
Author: Chris Bryant
Satellite Communication Security
Products designed for VSAT Satellite Network security.
Author: Stratign Stratign
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