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Computer Networking Basics and Certification

Cellular WAN (Wide Area Network) or Mobile Broadband
Mobile Broadband allows you to get Internet access from anywhere within the range of cell tower. The data speeds of cellular modems has advanced rapidly over the years. Today's 4G (fourth generation) cellular mobile communications can provide data rates up to 100 Mbps. More ...

Satellite Broadband Internet Service
Satellite broadband internet service transmits and receives signals between a ground dish antenna and a geosynchronous satellite. A geosynchronous satellite orbits the Earth with a period equal to the Earth's rotational period and therefor appears motionless, at a fixed position in the sky. More ...

Fiber Optic Cabling For Beginners
Traditionally, twisted pair copper cable has been the most common form of network cabling. As technology continues to advance however, fiber optic cable is quickly becoming the standard in network cabling. More ...

Network+ Certification Exam Tutorial - DHCP And RARP
Part of passing the Network+ exam is mastering the many different protocols and services you're introduced to in your studies, and that's especially hard when two protocols do much the same thing! That's the case with RARP and DHCP, so let's take a close look at these two protocols and why we use them in the first place. More ...

The Network Technician Career Field
As a Network Technician you'll have an interesting job where you'll be respected and highly rewarded. Network Technicians are responsible for an organization's computer and network infrastructure. The national median salary for Network Technicians is $57,500 to $67,800, while the top 10 percent earn about $112,000. More ...

Web Server
A Web server is a server that it can be accessed over the Internet and runs specific services related to the Internet. The most common service running on a Web server is Web site hosting service. More ...

What is DNS?
Have you ever wondered what happens when you enter, or click on, a web address in your browser? How does your computer connect to the Web site you requested? Part of what makes that happen is the Internet's Domain Name Service (DNS). More ...

Cloud Delivery Models
In order to realize the value from a cloud service the customers must have access to them. A cloud delivery model must be chosen. Implementing a cloud delivery model can vastly impact an organization. More ...

Computer Number Systems Made Simple
Humans use a decimal based number system. The decimal numbering system uses the ten characters 0,1,2,3,4,5,6,7,8, and 9 to represent numbers. The binary system used by computers has only two characters; 0 and 1. More ...

Basics of Bluetooth Technology
Bluetooth is a wireless technology for short range communication. Bluetooth provides functionality to detect nearby Bluetooth devices, and in order to mitigate interference, implements frequency hopping. More ...

Cisco-Linksys Network Magic Pro
Having trouble connecting your devices together and to the Internet, or printing from any computer? With Cisco Network Magic Pro, you can avoid lengthy, tech support phone calls, hard to navigate online forums and expensive on-site consultants. It provides do-it-yourself tools for setting up, managing and securing your network. More ...

Introduction To IP Addressing and Networking
In this article you learn the various aspects of computer networking, IP routing and IP switching and how to manage a network from an office network to larger networks. Areas covered include IP addressing, and Network Address Translation. More ...

Comparing Different Cloud Architecture Types
Most people are familiar with the concept of a cloud-based data center that rents out computing power to businesses. There are, however, a number of possible cloud types that may be the right choice for a company. More ...