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Cambridge IGCSE Computer Science practice

Paper 1 structured question: Network hardware

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Attempt questionNetwork hardware revisionRevise the key idea

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Network hardware

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Paper 1Computer Systems1 marks

Understanding network addressing

Description

MAC Address Structure

A MAC address consists of two parts: the Organizationally Unique Identifier (OUI) and the device's serial number. The OUI identifies the manufacturer, while the serial number is unique to the device.

  1. a

    State the two main components of a MAC address.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Network hardware

Paper 1Computer Systems4 marks

Description

Function of MAC Addresses

MAC addresses are essential for network communication, allowing devices to identify each other on a local network. They are fixed at the time of manufacturing and are expressed in hexadecimal format.

  1. a

    Explain the significance of MAC addresses in network communication.

    Aim for approximately 4 distinct marking points.

    [4]