Packet Switching Store-and-Forward Transmission
To send a message from a source end system to a destination end system, the source breaks long messages into smaller chunks of data known as packets. Most packet switches use store-and-forward transmission at the inputs to the links. Store-and-forward transmission means that the packet switch must receive the entire packet before it can begin to transmit the first bit of the packet onto the outbound link. 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 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 ...
What is the Internet of Things?
The Internet of Things (IoT) refers to the world of interconnected devices which provide data, and are being controlled across the Internet. Examples include many home automation devices, like smart thermostats and remotely controllable lighting fixtures, and countless others. 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 ...
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 ...
CompTIA Network+ Video Mentor
In this easy-to-use DVD, top network consultant David L. Prowse walks you through every skill and concept you?ll need to master to pass the new CompTIA Network+ Exam (N10-004/JK0-016). This DVD contains more than seven hours videos designed to build and test your knowledge of networking technologies. More ...
A Complete Explanation of Cloud Computing
This article provides a complete explanation of cloud computing; virtualisation, cloud computing models, cloud deployment models, cloud delivery models, cloud metering and billing, and the future of cloud computing. 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 ...
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 ...
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 ...
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 ...
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 ...
