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Differences between LAN and WAN

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LAN (Local Area Network) is a network that is limited to a small geographic area, like a single building or campus. WAN (Wide Area Network) covers a broad area, such as multiple buildings or cities.

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Purpose of protocols in networking

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Protocols are rules that determine how data is transmitted and received over a network, ensuring reliable and secure communication.

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Computer network operation

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The process of managing and maintaining a network, including data transmission, connectivity, and resource sharing.

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Network topologies

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The arrangement of different elements (links, nodes, etc.) in a computer network. Common topologies include bus, star, and ring.

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Internet, extranet, and intranet

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Internet is a global network accessible to anyone. Extranet is a private network accessible to authorized external users. Intranet is a private network accessible only to an organization's staff.

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Devices within a network

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Devices such as routers, switches, and hubs that facilitate communication and data transfer within a network.

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How data is transferred over a network

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Data is transferred over a network using packets, which are small units of data transmitted over network protocols.

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Potential threats to data transfer

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Threats include packet sniffing, where unauthorized users intercept data packets to access sensitive information.

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Cloud computing vs in-house servers

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Cloud computing involves storing and accessing data over the internet, while in-house servers store data on local servers within an organization.

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Emerging technologies in networking

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New advancements in networking technology, such as 5G, IoT (Internet of Things), and AI-driven network management.