Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?
This is your opportunity to ask questions. No question too simple or too silly.
Culture war topics are accepted, and proposals for a better intro post are appreciated.
Jump in the discussion.
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Notes -
I know you asked specifically for a book, but https://learn.cantrill.io/p/tech-fundamentals is a pretty good free course about the various layers of the networking stack. If you want to go deep on the protocol-level stuff then maybe Stevens' TCP/IP Illustrated could be what you're after? It might be too TCP-focused, since you also have questions about VLANs and UDP.
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