A LAN (Local Area Network) is a network that connects computers and devices within a limited area, such as a home, office, school, or campus. It allows users to share resources, such as files, printers, and internet access, among connected devices.
🔑 Key Features of LAN:
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Limited Geographic Area
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LANs operate within a small physical area, typically within one building or a group of nearby buildings.
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High-Speed Data Transfer
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LANs support fast communication, often ranging from 100 Mbps to 10 Gbps or more.
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Privately Managed
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A LAN is usually owned and managed by an individual, business, or organization.
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Wired and Wireless Options
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Wired LAN: Uses Ethernet cables to connect devices.
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Wireless LAN (Wi-Fi): Uses radio signals for wireless connections.
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Resource Sharing
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Devices on a LAN can share printers, files, internet connections, and storage.
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🧩 Components of a LAN:
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Router: Directs data between your LAN and the internet.
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Switch: Connects multiple devices within the LAN and enables communication.
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Access Point: Provides wireless connectivity for Wi-Fi-enabled devices.
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Ethernet Cables: Used in wired LANs for physical connections between devices.
✅ Advantages of LAN:
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Efficient resource sharing (e.g., one printer for multiple computers)
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Fast file transfer between connected devices
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Cost-effective setup for small areas
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Improved security due to centralized control in a private network
🏠 Common Uses of LAN:
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Home Networks: Connect computers, smart TVs, and gaming consoles
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Offices: Share documents, printers, and internal servers
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Schools/Universities: Enable access to shared educational tools and internet