What is a Proxy Server?
A Proxy Server is a piece of software that works at the Application layer of the OSI model to increase the security of a network. A proxy server acts as an intermediary between the internal network and external networks. More ...
What is DSL and how can it benefit my home or small business?
DSL or xDSL is a group of technologies that provide digital data transfer over the telephone network. DSL technology was originally begun as a part of the Integrated Services Digital Network (ISDN). The typical transfer speeds of DSL services range from 128 kilobits per second to 24,000 kbit/s. More ...
Wireshark and Ethereal Network Protocol Analyzer Toolkit
This book provides complete information and step-by-step Instructions for analyzing protocols and network traffic on Windows, Unix or Mac OS X networks. First, readers will learn about the types of sniffers available today and see the benefits of using Ethereal. More ...
Network+ Certification Exam Tutorial - How And When To Use Virtual LANs (VLANs)
From your Network+ exam studies, you know that switches forward broadcasts, and that sounds great, but that's not always a good thing. A switch can have anywhere from 12 ports to 80 or more, and by default all hosts connected to that switch are going to be in the same broadcast domain. More ...
Bluetooth Basics - Bluetooth Technology Tutorial
You see advertisements for Bluetooth enabled cell phones, PDAs, and laptops, and all sorts of different devices taking advantage of this wireless standard. But, what is it? Bluetooth technology is nothing new, but in many respects it still seems to be more of a buzz word rather than a well understood, commonly accepted technology. More ...
Network Patch Panel Basics
Patch panels are used to organize the network cables. Each socket on the front of the patch panel is usually labeled with the identity of the device connected on its punch down connector on the back of the panel. More ...
What is an Ethernet Crossover Cable?
When connecting two computers together without a switch or router in between you need a special cable, called a crossover cable, that has the transmit wire pair swapped with the receive wire pair. More ...
What is Microsoft Azure?
Microsoft Azure is a set of cloud services to help organizations meet business challenges. The services include tools for managing and deploying applications. Microsoft offers PaaS, IaaS, and SaaS to help businesses manage their technology demands. More ...
Workgroups and Domains
A LAN can be configured as a workgroup or a domain. In a workgroup a user's login account is located on their individual computer. In a domain, a user's login account is located on the domain controller. 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 ...
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 ...
How to Study For and Pass the CompTIA Network+ Exam
CompTIA certification is an advantage because it provides proof to employers that you have the competence required to perform the job. It can help you acquire employment in fact many employers require CompTIA certification. More ...
Bluetooth in Brief
Bluetooth is a wireless technology designed for short range data communications. Two or more Bluetooth devices establish a connection and form a small wireless network known as a Piconet. More ...
