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Topic: Local area network


  
  What is local area network? - a definition from Whatis.com - see also: LAN
A local area network may serve as few as two or three users (for example, in a home network) or as many as thousands of users (for example, in an FDDI network).
A LAN server may also be used as a Web server if safeguards are taken to secure internal applications and data from outside access.
In some situations, a wireless LAN may be preferable to a wired LAN because it is cheaper to install and maintain.
searchnetworking.techtarget.com /sDefinition/0,,sid7_gci212495,00.html   (432 words)

  
  ANSDIT - The letter "L"
Communication within a local area network is not subject to external regulations; however, communication across the LAN boundary may be subject to some form of regulation.
In a local area network, the protocol that governs the exchange of frames between data stations independent of how the transmission medium is shared.
The simulation of a ring network by passing a token between data stations in a predefined sequence, even though the network's physical architecture may be different, such as a bus network.
www.ncits.org /tc_home/k5htm/l2.htm   (1604 words)

  
  local area network - Encyclopedia.com   (Site not responding. Last check: )
local area network (LAN), a computer network dedicated to sharing data among several single-user workstations or personal computers, each of which is called a node.
A LAN can have from two to several hundred such nodes, each separated by distances of several feet to as much as a mile, and should be distinguished from connections among computers over public carriers, such as telephone circuits, that are used for other purposes.
A metropolitan area network (MAN) is defined as being restricted to a larger area (maximum distances of 50-60 miles) than a LAN but one still small enough so that dedicated links (such as microwave links) can be used.
www.encyclopedia.com /doc.aspx?id=1E1:locarnet   (569 words)

  
  Local Area Network
LANs are distinguished from other kinds of networks by three Characterstics: (1) their size, (2) their transmission technology, and (3) their topology.
LANs often use a transmission technology consisting of a single cable to which all the machines are attached, like the telephone company party lines once used in rural areas.
Local networks that were designed as such usually have a symmetric topology.
www.sem.mosaic-service.com /electron2/local_area_networks.htm   (1169 words)

  
  Local area network - Wikipedia, the free encyclopedia
A local area network (LAN) is a computer network covering a small local area, like a home, office, or school.
The defining characteristics of LANs in contrast to WANs (wide area networks) are: their much higher data rates; smaller geographic range; and that they do not require leased telecommunication lines.
Networks such as IBM's SNA (Systems Network Architecture) were aimed at linking terminals or other mainframes at remote sites over leased lines—hence these were wide area networks.
en.wikipedia.org /wiki/Local_area_network   (660 words)

  
 Local Area Network - MSN Encarta
Computers in a LAN are separated by distances of up to a few kilometers and are typically used in offices or across university campuses.
A router is an intermediary device that connects a LAN to a larger LAN or to a WAN by interpreting protocol information and selectively forwarding packets to different LAN or WAN connections through the most efficient route available.
LAN computers use a gateway or router to connect to a WAN such as the Internet, the worldwide consortium of computer networks.
encarta.msn.com /encyclopedia_761569966/Local_Area_Network.html   (783 words)

  
 Local area network Summary
In LAN context, a broadcast is a packet-delivery system that delivers a copy of a particular packet to all hosts that are attached to it, much the way a television signal is broadcast to all the television stations tuned to it.
A Local Area Network (LAN) is a computer network covering a small local area, like a home, office, or small group of buildings such as a home, office, or college.
Networks such as IBM's SNA (Systems Network Architecture) were aimed at linking terminals or other mainframes at remote sites over leased lines—hence these were wide area networks.
www.bookrags.com /Local_area_network   (2441 words)

  
 Definition: local area network
local area network (LAN): A data communications system that (a) lies within a limited spatial area, (b) has a specific user group, (c) has a specific topology, and (d) is not a public switched telecommunications network, but may be connected to one.
Note 2: An interconnection of LANs within a limited geographical area, such as a military base, is commonly referred to as a campus area network.
An interconnection of LANs over large geographical areas, such as nationwide, is commonly called a wide area network (WAN).
www.atis.org /tg2k/_local_area_network.html   (167 words)

  
 What is local-area network? - A Word Definition From the Webopedia Computer Dictionary
A computer network that spans a relatively small area.
Each node (individual computer) in a LAN has its own CPU with which it executes programs, but it also is able to access data and devices anywhere on the LAN.
LANs are capable of transmitting data at very fast rates, much faster than data can be transmitted over a telephone line; but the distances are limited, and there is also a limit on the number of computers that can be attached to a single LAN.
www.webopedia.com /TERM/l/local_area_network_LAN.html   (537 words)

  
 Wireless local area network
LAN infrastructure products that provide appropriate levels of authentication and network access to ensure network security; reliability to deliver continuous connection for users; and flexibility to address changes in your IT infrastructure.
Wireless LAN devices that stretch your IT investment to cover the demands of your mobile workforce.
Wireless printing capabilities allow IT administrators to connect high-quality HP network printing and scanning devices without the time-consuming and costly constraints of network cables.
h20331.www2.hp.com /hpsub/cache/295310-0-0-225-121.html   (169 words)

  
 What is a Local Area Network?
Local area networks have been around since the beginning of computer use.
LANs do not usually make use of leased communication lines, but only means of communication that are provided by the installer of the network.
In contrast to the term Internet, local area networks are often called intranets, though sometimes this term refers to a cluster of LANs associated with a particular company or organization but not connected to the larger Internet.
www.wisegeek.com /what-is-a-local-area-network.htm   (385 words)

  
 Networks Basics
Network Architecture - A peer to peer network is an architecture in which all network nodes have essentially equal status.
The network is confined to a small area typically a single building or a cluster of buildings.
Networks that have no physical media are referred to as wireless and are typically found only in niche applications where stringing cable is impossible or impractical.
www.networksthatwork.com /basics.htm   (1159 words)

  
 LAN (Local Area Network) (Linktionary term)   (Site not responding. Last check: )
See "Network Architecture," "Framing in Data Transmissions," "Datagram and Datagram Services," and "Packets and Packet-Switching Networks" for more details.
One of the reasons why LANs are considered "local" is because there are practical limitations to the distance of a shared medium and the number of workstations you can connect to it.
On Ethernet networks, workstations on either end of a long cable may not even detect that they are transmitting at the same time, thus causing a collision that results in corrupted data.
www.linktionary.com /l/lan.html   (805 words)

  
 Setting up a Local Area Network
LAN network address The first three octets of an IP address should be the same for all computers in the LAN.
Another important aspect of building a LAN is that the addresses at the two extreme ends of the address range are reserved for use as the LAN's network address and broadcast address.
Note that the "192.168.1" represents the LAN that this particular host is a member of and the x indicates the specific host number that you are attempting to ping (e.g.
www-106.ibm.com /developerworks/linux/library/l-lan.html   (4752 words)

  
 Local area network (Linux Reviews)
The defining characteristics of LANs, in contrast to WANs (wide area networks), include their much higher data transfer rates, smaller geographic range, and lack of a need for leased telecommunication lines.
Smaller LANs consist of a few switches typically connected to each other and with one connected to a router, cable modem, or DSL modem.
Traditionally, the network connecting two or more LANs is referred to as the WAN (Wide Area Network).
linuxreviews.org /dictionary/Local_area_network   (1019 words)

  
 SOM - #432 - LOCAL AREA NETWORK ADMINISTRATOR
LAN Administrators working as self-employed consultants can set their own workload and hours, however their success depends on their ability to balance conflicting demands and maintain and expand their client base which may be difficult at times.
Local Area Network Administrators may join national organizations, such as the Association for Systems Management or the Data Processing Management Association, as well as local organizations, these organizations provide invaluable opportunities to keep abreast of technological and other developments.
While national employment numbers pertaining specifically to LAN Administrators, Telecommunications Analysts, Information Technology Specialists or other computer related fields may not be available, professional computer and information technology organizations and associations keep track of their current memberships as a means of gauging growth in the computer industry.
www.michigan.gov /som/0,1607,7-192-29940_23422-64765--,00.html   (1793 words)

  
 Local Area Network and LAN Protocols
Local Area Network (LAN) is a data communications network connecting terminals, computers and printers within a building or other geographically limited areas.
LANs are traditionally used to connect a group of people who are in the same local area.
Local Area Network protocols are mostly at data link layer (layer 2).
www.networkdictionary.com /protocols/lan.php   (274 words)

  
 local area network   (Site not responding. Last check: )
A LAN can have from two to several hundred such nodes, each separated by distances of several feet to as much as a mile, and should be distinguished from connections among computers over public carriers, such as telephone circuits, that are used for other purposes.
Because of the relatively small areas involved, the nodes in a LAN can be connected by special high-data-rate cables.
network - network, in computing, two or more computers connected for the purpose of routing, managing, and...
www.infoplease.com /id/A0830094   (312 words)

  
 [No title]
Local area networks can be connected together in a ring circuit or in a star arrangement.
A local area network may comprise various sub-networks having each a plurality of terminals, for enlarging the radio coverage area of a sub-network.
The above object is accomplished in accordance with the present invention by providing a LAN which combines the advantages of a star LAN with a ring bus LAN.
www.lycos.com /info/local-area-network--miscellaneous.html   (294 words)

  
 local area network - Definitions from Dictionary.com
(LAN) A data communications network which is geographically limited (typically to a 1 km radius) allowing easy interconnection of terminals, microprocessors and computers within adjacent buildings.
Because the network is known to cover only a small area, optimisations can be made in the network signal protocols that permit data rates up to 100Mb/s.
See also token ring, wide area network, metropolitan area network..
dictionary.reference.com /search?q=local%20area%20network   (204 words)

  
 Howstuffworks "How LAN Switches Work"
Switches allow different nodes (a network connection point, typically a computer) of a network to communicate directly with one another in a smooth and efficient manner.
Essentially, a LAN switch creates a series of instant networks that contain only the two devices communicating with each other at that particular moment.
You will learn what a LAN switch is and how transparent bridging works, as well as about VLANs, trunking and spanning trees.
computer.howstuffworks.com /lan-switch.htm   (283 words)

  
 Amazon.com: Wireless Local-Area Network Fundamentals: Books: Pejman Roshan,Jonathan Leary   (Site not responding. Last check: )
Also, the infrequent reference to wired networking equipment assumes that the reader understands the function(s) of this equipment, and again, this understanding is not beyond the level of CCNA knowledge.
The illustrations and practical applications afforded me an understanding about wireless networking that I hadn't been able to glean from other books; books that were substantial in their own way but, nevertherless, unable to provide that fundamental knowledge transfer.
Data Network Salesmen will benefit from this title by understanding what value Wireless networks can bring to a company and how to fit the needs of a company into a viable solution for customers.
www.amazon.com /Wireless-Local-Area-Network-Fundamentals-Pejman/dp/1587050773   (2970 words)

  
 [No title]
The equipment connected to the LAN may be a workstation, a server, a bridge, a router, etc. Computer application programs may use various network protocols to communicate with each other over the LAN.
One such network protocol is TCP/IP (Transmission Control Protocol/Internet Protocol), which is used widely in equipments from different manufacturers especially in the UNIX operating system but...
Disk agents are then placed on the server or workstations and these push data over the LAN to the backup server.
www.lycos.com /info/local-area-network--servers.html   (346 words)

  
 Chapter 1: What is a Network?   (Site not responding. Last check: )
A Local Area Network (LAN) is a network that is confined to a relatively small area.
Without a network, files are shared by copying them to floppy disks, then carrying or sending the disks from one computer to another.
Networkable versions of many popular software programs are available at considerable savings when compared to buying individually licensed copies.
fcit.coedu.usf.edu /network/chap1/chap1.htm   (836 words)

  
 Wireless Local Area Network
Your WLAN can be up and running in a fraction of the time of a traditional local area network installation.
Wireless LANs eliminate the cables that connect client computers, peripherals and your server, and replace them with radio communications technology.
Wireless LANs are easier to relocate if your LAN requirements change or if your physical facility changes.
www.reyrey.com /for_customers/solutions/services/network_serv/wlan.asp   (255 words)

  
 DomainsAreFree - Definition of Local Area Network
Domains Are Free - Definition of Local Area Network
A local area network or LAN is a computer network covering a local area, such as an office or a home.
This is different from personal area networks (PANs), metropolitan area networks (MANs) or wide area networks (WANs).
www.domainsarefree.com /glossary/Local_area_network.html   (317 words)

  
 PBX Phone Systems, Network Equipment, and VoIP Installer Technician and Dealer Search Engine
That is where the VAR (Value Added Reseller) Network comes in - to act as your conduit to these telephone and network equipment companies (such as Cisco, Avaya, Lucent, Mitel, Nortel, PolyCom, ShoreTel, and 3Com just to name a few).
The lack of big investors means that VAR Network is not beholden to any outside party with its own self interests.
VAR Network's mission is to provide a valuable service to its users, not just to put more money into a Board of Directors' pockets.
varnetwork.com   (944 words)

  
 local area network - Information from Reference.com
network junction and most of us would be wondering what happened to that...
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...
www.reference.com /search?db=web&q=local%20area%20network   (337 words)

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