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Types of Networks
One way to categorize the different types of computer network designs is by their scope or scale. For historical reasons, the networking industry refers to nearly every type of design as some kind of area network. Common examples of area network types are:
LAN - Local Area Network
WLAN - Wireless Local Area Network
WAN - Wide Area Network
MAN - Metropolitan Area Network
SAN - Storage Area Network, System Area Network, Server Area Network, or sometimes Small Area Network
CAN - Campus Area Network, Controller Area Network, or sometimes Cluster Area Network
PAN - Personal Area Network
DAN - Desk Area Network
LAN and WAN were the original ... View More |
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A Local Area Network (LAN) is a high-speed communications system designed to link computers and other data processing devices together within a small geographic area, such as a workgroup, department, or building. Several LANs can also be interconnected within a campus of buildings to extend connectivity (also called a Wide Area Network orWAN). This allows users to electronically share vital computing resources, such as expensive hardware (e.g. printers and CD-ROM drives), applicati
on programs, and information.
Local Area Networks implement shared access technology. This means that all of the devices attached to the LAN share a single communications medium, usually a coaxial, twisted-pair, or fiber-optic ... View More |
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2/20/2013:
Apple Inc. said Tuesday that some of its employees' Mac computers were attacked by hackers, a rare admission for a company that has long touted its security over PCs running Windows software.
Apple said a "small number" of computers became infected after employees visited a website for software developers that transmitted the malicious computer code.
Apple said Tuesday it would release a software update to protect Mac users, and is working with law enforcement to find the source of the so-called malware.
The disclosure is unusual for Apple, which generally doesn't detail particular attacks. In the past, the company has generally issued notices on its support page of possible vulnerabilities and issued ... View More |
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