Definition: Cloud Computing
We keep hearing the term Cloud Computing, but what is it? Cloud Computing is a network of shared resources anywhere in the World that can be quickly provisioned in response to customer demand. More ...
What You Need to Know About a Career as a Network Engineer
In order to become a network engineer, you must have the necessary skills as well as a love of computers. As with any other career, you need to follow certain steps to accomplish your goal. These are the top five requirements needed to become a network engineer. More ...
What is IPv6 Anycast Routing?
Anycast looks like a unicast - one unique host sending to another, the difference being that the target address actually exists in multiple places. When the given host sends a packet to this address it will follow the shortest route as defined by the routing protocols. 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 ...
Media Access Control (MAC) Sublayer of the OSI Data Link Layer
Layer 7 of the OSI model, the Data Link layer, is concerned with the packaging of data into frames and placing those frames on the network. The Data Link layer actually consists of two sublayers, the Media Access Control layer, described here, and the Logical Link layer. 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 ...
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 ...
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 ...
Network Servers
A server is a computer in a client/server network that provides services or roles on a network and provides a central location for administration of the network. More ...
What is Port Forwarding?
Port forwarding redirects a communication request from one address and port number connection to another while the packets are traversing a network gateway. This technique is used to hide hosts residing on an internal network from hosts on external networks. 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 ...
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 ...
Create a Peer-to-peer Network
Many small to medium sized organizations are wrestling with Windows server and paying excessive licensing fees when they don't need to. Sure, a server provides centralized security administration, but is it really more efficient? More ...
