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Proceedings of Helsinki University of Technology
Seminar on Network Security 1997
Security of Corporate Networks
Professor Arto Karila
Tutors: Tommi Raivisto, Timo Rinne, Bengt Sahlin, Mari Seppä
Department of Computer Science
Telecomminucations Software and Multimedia Laboratory
Helsinki University of Technology
Introduction
As business systems of large companies are increasingly dependent on the network, the importance of its security is becoming ever more significant. The main dime ...
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A Plus Electronics
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A wireless local area network (LAN) or wide area network (WAN) are flexible data communications systems implemented as an extension to, or as an alternative for, a wired LAN or WAN. Using radio frequency (RF) technology, wireless LANs / WANs transmits and receives data over the a ...
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What is a Network?
A network consists of two or more computers that are linked in order to share resources (such as printers and CD-ROMs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.
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Introduction:
Definition of Networking:
Networking, generally speaking, can be defined as communications for the purpose of sharing information and resources.
People "network" for professional purposes. They make contact and communicate with other professionals who may be able to offer a service or share information. These same people will also make contact and communicate with others who may want or need to receive a service or information, which they provide.
The term network ...
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Local Area Network
The Local Area Network (LAN) is by far the most common type of data network. As the name suggests, a LAN serves a local area (typically the area of a floor of a building, but in some cases spanning a distance of several kilometers). Typical installations are in industrial plants, office buildings, college or university campuses, or similar locations. In these locations, it is feasible for the owning Organisation to install high quality, high-speed communication links intercon ...
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What Is Networking?
Networking today has opened a whole new world in data communications. Networking is simply connecting individual computers in a way so that they can share resources such as files, applications, and peripherals connected to the Local Area Network (LAN). The most popular and cost efficient type of network is an "Ethernet" network, which has created a large abundance of Ethernet products on the market today.
Why Do We Need Networking?
Networking basically ...
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Medicine Hat School District #76 Wide Area Network
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Telus Corporation In the first quarter of 1996, Medicine Hat School District implemented a wireless wide area network. The network connected the District administration office, 1 warehouse, 4 alternative learning centers, 1 Junior High School, 2 Senior High Schools and 13 Elementary schools.
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Designing--And Redesigning--Today's Local Area Networkby Art Wittmann
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Design Philosophy: Switch When You Can, Route When You Must
Current Common Architectures
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Medium-sized, collapsed backbone networks.
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Local Area Network Design
What is a Local Area Network? A LAN is the connecting of computers together for the purpose of sharing information and resources. A LAN can be as small as two computers and can be as large as thousands of computers. The benefits of networking computers are great for businesses that need to share information within the company. Networked computers can share common printers, applications, files, modems, and many other devices. Follow the link above to learn more a ...
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Overview of the World Wireless Local Area Network Market
6/15/99
Click here to start
Table of Contents
PPT Slide
Overview of the World Wireless Local Area Network Market
Wired & Wireless Networks
Wireless Local Area Networks (WLAN)
Three Technology Mediums
Segments of the Wireless LAN Market
1998 Percentage Breakdown of Technology Platforms
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WLAN: Revenue and Unit Shipment Forecasts (World)
WLAN: Percent of Unit Shipments to Vertical Markets
Total WLAN Market: 1998 Market Share
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Current and Upcoming Wireless LAN & Wireless PAN Standards
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Broadband Power Line Networking is Here. Homeplug Alliance, R7.3 and Home Network Communication Technology developers
are preparing for the coming $Billion industry. Radio, Television, Modem, Computers, Utilities.
@ PowerLine Communications Home Networking Technology eLibrary
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What's a Network
A computer network is nothing more than two or more computers connected together in order to share information. It's a simple but very powerful concept. Networked computers (also called nodes, clients, workstations, and servers) perform three key functions; they share files, resources (printers, disks, etc.), and programs. Each node has its own unique hardware address to identify it on the network.
A networked computer that provides resources is called a server. The com ...
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Best Practices for Group Policy Based Application Deployment Date - Jun 07, 2006 Author - Brien M. Posey Section - Articles & Tutorials :: General Networking
In this article, I want to share some techniques with you that will maximize ...
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NexTek Wireless Local Area Network
How a Wireless Local-Area Network Works
Wired LANS require a user to stay in one place. And installing Ethernet cable can be messy, time consuming, and disruptive to a person's home or business.
A wireless LAN, on the other hand,frees users to move around the building while maintaining a maximum data rate of 11 Mbps—matching most Ethernet networks. It also avoids the headaches of installing cable and drilling holes in walls.
Each computer, whe ...
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General Information | Practical Issues | 802.11 Current Standard | Pros & Cons | Internet Resources
Note—image changes as you move your cursor over The Beach, A Pleasant Garden,
A Meditative Environment, and Art Views. Concept, Design & Interactivity by Sharon Peregrine Johnson
"A wireless local area network (LAN) is a flexible data communications system implemented as an extension to, or as an alternative for, a wired LAN. Using radio frequency (RF) technology, ...
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WLAN - Presentation Notes
Name: Peter Billes
Class: 298c Advanced Networking
Instructor: Seung Bae Im
Date: Nov. 28, 1995
Wireless Local Area Networks (WLAN's)
1 Introduction
Some wireless systems related to mobile communication, which are getting more and more popular are:
cellular radio systems
cordless telephones
airplane telephones
paging and messaging
specialized satellite-based message services for truck divers on the
highway
wireless headphones and microphones
remo ...
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