How Layer 1 Works - The Physical Layer |
Encoding the Data |
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Selecting and Preparing the Media |
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Installing Media and Equipment Inside |
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Installing Media and Equipment Outside |
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Arranging for Someone to Do the Work For You |
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How Layer 2 Works - The Data Link Layer |
Framing the Data |
Frames Used in Local and Campus Area Networks |
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Frames Used in Metropolitan and Wide Area Networks |
Frames Used on the Original Dedicated Circuits |
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Frames Used on the Original Shared Network |
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Frames Used on Current Dedicated Circuits |
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Finding Errors in the Data and Controlling the Flow of the Data |
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