MicroNugget: BroadCast Domains

In this MicroNugget, Ill explain BroadCast Domains. I will also cover what a broadcast domain is at layer 2, how it inter-operates with a switch or hub, and what code name its commonly referred to on networks today.

6 thoughts on “MicroNugget: BroadCast Domains

  1. As always nicely put there on a subject that some people coming into networking find a bit much . But in your hands Keith , you make it easy to understand.

  2. Great question.

    The 12 "f"s are in a numbering system called hexadecimal.

    In hex, the numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F.

    The F in hex is like our number 15 in decimal (our decimal goes from 0-9).

    In binary the numbers go from 0-1. The F in hex is equal to 1111 in binary.

    So 12 hex F’s = 12×4=48 1’s in binary.

    Does that help?


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