Information Systems

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LAN

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Information Systems

Definition

A Local Area Network (LAN) is a network that connects computers and devices within a limited geographical area, such as a home, school, or office building. It allows for high-speed data transfer and resource sharing among connected devices, making it essential for local communications and collaboration.

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5 Must Know Facts For Your Next Test

  1. LANs are typically confined to a small geographic area, usually not exceeding a few kilometers.
  2. LANs can be wired, using technologies like Ethernet, or wireless, using Wi-Fi protocols.
  3. They are often used to connect personal computers and workstations to share resources such as printers and files.
  4. LANs support high data transfer rates, typically ranging from 100 Mbps to several Gbps, depending on the technology used.
  5. Local Area Networks can be expanded by adding switches or routers, allowing for more devices to connect and communicate efficiently.

Review Questions

  • How does a LAN facilitate resource sharing among connected devices?
    • A LAN allows multiple devices to connect within a limited area, enabling them to share resources like printers, files, and internet access. By connecting devices through a central switch or router, users can easily access shared resources without needing to physically transfer data between machines. This connectivity promotes collaboration and efficiency in tasks such as document sharing and communication.
  • What are the advantages of using Wi-Fi technology in a LAN compared to traditional wired connections?
    • Using Wi-Fi technology in a LAN offers several advantages over wired connections. It allows for greater flexibility and mobility since devices can connect to the network without being tethered by cables. This setup makes it easier to rearrange office spaces or accommodate more users without extensive wiring. Additionally, Wi-Fi networks can often be easier to set up and maintain than their wired counterparts.
  • Evaluate the impact of switching technology on the performance of a LAN.
    • Switching technology significantly enhances the performance of a LAN by efficiently managing data traffic among connected devices. Switches create dedicated communication pathways for each device, reducing collisions and ensuring that data packets reach their destination more quickly. This results in improved overall network speed and responsiveness, which is particularly beneficial in environments where many devices are communicating simultaneously.
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