Multiple choice

UDP(user datagram protocol)is

  1. virtual connection oriented protocol

  2. communication protocol

  3. data link layer protocol

  4. connectionless protocol
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D Correct answer
Explanation

UDP is a connectionless transport-layer protocol. Unlike TCP, it doesn't establish connections before sending data. This makes UDP faster but unreliable - packets may arrive out of order or not at all. UDP operates at Layer 4 (transport), not Layer 2 (data link).

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