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Computer & Networking BasicsTCP & UDP

Which transport-layer protocol is connectionless and has relatively low protocol overhead?

  • ATCP
  • BUDP
  • CHTTP
  • DARP
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Correct Answer: B. UDP
Explanation: UDP sends independent datagrams without connection establishment or built-in retransmission and ordering mechanisms.
Reference: Standard computer networking fundamentals: tcp & udp
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