200-301: Cisco Certified Network AssociateDemo

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QuestionQ1195

IP Services

Under what condition is TCP favored instead of UDP?

  • A UDP is used when low latency is optimal, and TCP is used when latency is tolerable.
  • B TCP is used when dropped data is more acceptable, and UDP is used when data is accepted out-of-order.
  • C TCP is used when data reliability is critical, and UDP is used when missing packets are acceptable.
  • D UDP is used when data is highly interactive, and TCP is used when data is time-sensitive.
Explanation

TCP is the right choice when reliable, ordered delivery is essential. It uses acknowledgments, retransmissions, and sequence numbering to ensure data arrives correctly and in order, while UDP does not guarantee delivery or ordering and is better suited to cases where some packet loss is acceptable.

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