Internet works on
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packet switching
circuit switching
both (a) and (b)
none of the mentioned
Answer : A
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1) In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
2) A set of rules that governs data communication
3) Network congestion occurs
in case of traffic overloading
when a system terminates
when connection between two nodes terminates
none of the mentioned
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4) The communication protocol used by Internet is:
5) Which is not a domain name extension