Network Types Flashcards

OCR GCSE J277 Computer Science specification

LAN (Local Area Network)

A network that covers a small geographical area, such as a home, school, or office, using internal infrastructure.

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Terms in this set (10)

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LAN (Local Area Network)

A network that covers a small geographical area, such as a home, school, or office, using internal infrastructure.

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WAN (Wide Area Network)

A network that covers a large geographical area, connecting multiple LANs, often using external infrastructure like the Internet.

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Example of LAN

A school network connecting computers and printers within the building.

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Example of WAN

The Internet, which connects networks across the globe.

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Key difference between LAN and WAN

LANs use internal infrastructure, while WANs rely on external infrastructure to connect over large distances.

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Factors affecting network performance

Number of devices, bandwidth, latency, and network hardware quality.

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Bandwidth

The amount of data that can be transferred in a given time, measured in bits per second (bps).

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Latency

The delay between sending and receiving data, often caused by distance or network congestion.

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Advantages of LAN

High speed, low cost, and easier to manage compared to WANs.

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Disadvantages of WAN

Higher cost, slower speeds, and more complex management compared to LANs.

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