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Exam N10-009 topic 1 question 392 discussion

Actual exam question from CompTIA's N10-009
Question #: 392
Topic #: 1
[All N10-009 Questions]

Which of the following explains what happens if a packet is lost in transit when using UDP?

  • A. The data link layer will recognize the error and resend the packet.
  • B. IP uses the TTL field to track packet hops and will resend the packet if necessary.
  • C. If the sender does not receive a UDP acknowledgement, the packet will be resent.
  • D. Some applications will recognize the loss and initiate a resend of the packet if necessary.
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Suggested Answer: D 🗳️
by de9f2cc at June 24, 2025, 10:50 a.m.

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de9f2cc
6 days, 15 hours ago
Selected Answer: D
UDP (User Datagram Protocol) is a connectionless, unreliable protocol, meaning: It does not guarantee delivery, order, or duplication protection. It does not perform retransmissions or acknowledgments.
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