Interview Q&A / Computer Networks
Computer Networks interview questions
What happens when you open a website, TCP vs UDP, DNS and HTTP.
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- What is encapsulation, and what is the data unit called at each layer?
Encapsulation means each layer wraps the data from the layer above with its own header. The unit is called data at the application layer, a segment (TCP) or datagram (UDP) at transport, a packet at network, a frame at data link, and bits at physical.
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