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 ...
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 ...
Servers - Racks, Blades and Towers
Unlike tower servers, offices that use rack servers which traditionally come in 1U, 2U, 3U, 4U or 6U are installed in racks. The numbers that give names to the rack mounted servers precisely indicate the number of Us they occupy in the racks. More ...
Turning Your Home into a Wi-Fi Network
Creating a customized home Wi-Fi network is a great weekend project that you can accomplish with some patience and the proper tools. Before you dive into the wireless world, make sure you know what lies ahead of you. More ...
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 ...
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 ...
Cloud Service Models
Before an organization migrates any piece of their business to the cloud, they need to understand who is in control of those resources. There are a variety of cloud service models that offer the cloud consumer a number of different options. More ...
Fiber Broadband Internet Service
Fiber broadband is the optical fiber, which replaces all or part of the usual metal local loops used for the final leg of delivering connectivity in telecommunications. With optical fiber technology it is likely that speeds that are considered to be broadband could
change in coming times. More ...
Computer Networking Basics
A basic network consists of two or more computers connected to each other by cable. Computers that are connected to the network can send messages or email back and forth, and can share data, applications, and peripherals. 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 ...
NRZ, NRZI, Manchester Encoding, What Does it Mean?
NRZ (Non-Return-to-Zero), NRZI (Non-Return-to-Zero Inverted), and Manchester Encoding are terms for the shapes and voltage levels of digital electronic signals. This article also explains Manchester decoding. 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 Cabling For Beginners
Cabling is the foundation of your network, it is the medium that connects all your computers and servers together and is probably one of the most important and often overlooked items in business networks. More ...
