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A local-area network (LAN) would be considered to be a computer network that spans a relatively small area. Most often, a LAN would be confined to a single room, building or group of buildings, however, one LAN could be connected to other LANs over any distance via telephone lines as well as radio waves. If you wish to have to acquire more knowledge regarding the Types of LAN Networks, you should check out the courses offered by the SPOTO.
A system of LANs which is connected in this way would be known as a wide-area network (WAN). The difference between a LAN as well as WAN is that the wide-area network which would be spanning a relatively large geographical area. Typically, a WAN would be consisted of two or more local-area networks (LANs) and would be often connected through public networks.
Nodes on a LAN
Most LANs would be connecting workstations and personal computers. Each node (individual computer) in a LAN has its CPU with which it could be executed programs, but it would also be able to access data and devices anywhere on the LAN. This means that many users could be sharing expensive devices, like laser printers, as well as data. Users could also utilize the LAN to communicate with each other, by sending an email or engaging in chat sessions.
LANs are considered to be capable of transmitting data at very fast rates, much faster than data could be transmitted over a telephone line; but the distances would be limited and there is also a limit on the number of computers that could be attached to a single LAN.
Types of Local-Area Networks (LANs)
There are many different types of LANs, with Ethernets being the most ordinary for PCs. Most Apple Macintosh networks would be based on Apple's AppleTalk network system, which would be built into Macintosh computers.
The following characteristics would be differentiating one LAN from another:
Topology: It means the geometric arrangement of devices on the network. For example, devices could be arranged in a ring or a straight line.
Protocols: Protocols means the rules and encoding specifications for sending data. The protocols would also be determining whether the network uses a peer-to-peer or client/server architecture.
Media: Media means the devices which could be connected by twisted-pair wire, coaxial cables, or fiber optic cables. Some networks do it without connecting media altogether, communicating instead via radio waves.
Deploying a Wireless LAN
Wireless networks would be relatively easy to implement these days, specifically while comparing to the prospect of having to route wires while deploying a new wired network or overhauling an existing one. The first step in planning a wireless LAN deployment would be to decide on your wireless networking technology standard. Keep in mind that the standard you would be needed to accommodate your network access points and routers as well as the entire collection of wireless NICs (network interface cards) for your computers as well as other network resources.
Related Jobs: LAN Network Administrator
The LAN network administrator is considered to be responsible for maintaining an organization's local area network. In most cases, the LAN would be spanning a single geographical site, like a corporate office. A LAN network administrator's job responsibilities would be including:
• Installing LAN network components.
• Tracking and renewing licenses for software and equipment.
• Monitoring LAN performance.
• Upgrading LAN network software and hardware.
• Creating network redundancy as well as backing up to ensure continuity in the event of network failure.
• Installing the software as well as hardware to ensure local area network security.
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