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Computer Networks · Problem type
Which layer?
Use this for “Which layer of the TCP/IP model does DNS belong to? And a switch?”
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Which layer is it?
Tap a card, then tap its group.
Ask what each one works with: messages between programs, ports, addresses that cross networks, or frames on one link.
Assumptions
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The model is the four-layer TCP/IP stack: Application, Transport, Network and Link.
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A device belongs to the highest layer whose header it reads to forward data.
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