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 ...
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 ...
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 ...
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 ...
Network Classifications: LAN, WAN, WLAN, SAN, MAN, and PAN
Computer networks can be classified by how geographically dispersed the network's components are. Knowing the different network types and characteristics is a key topic for Comptia network certification. More ...
What Routers Do
A router is a networking device that connects different networks. Routers direct the traffic on the Internet. Without routing every network space is isolated. More ...
Networking Foundation Topic - Routing
For traffic to flow between networks, the traffic has to be routed, thus routing and routers is a key networking topic. This article discusses how routing occurs. More ...
What is Cloud Computing?
You can't be sure where a specific Internet device is, it's just out there in the cloud of devices that is the Internet. An individual connected to the Internet can use an application that's in the cloud. An organization can place their data in the cloud. 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 Network Sniffer Used For?
Sniffer is another word for network analyzer. Network intruders use sniffing to capture confidential information, and the terms sniffing and eavesdropping are often associated with this practice. 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 ...
Degree verses Computer Certifications
MCSE, CCNA or CCNP, Linux, Netware and Unix, these are all good certifications to have, but in today's job market, certifications are the basic minimum required by employers. Most positions require a degree. 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 ...
