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    Computer Science GCSE

    Addressing at different layers

    What Addressing at different layers means in Computer Science GCSE, as defined for Pearson Edexcel.

    Definition of Addressing at different layers

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    Reference: Pearson Edexcel

    The transport layer adds port numbers, the internet layer adds source and destination IP addresses, and the link layer frames data with MAC addresses for the local network segment.
    Pearson Edexcel · Networks

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