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Exam 200-301 All Questions

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Exam 200-301 topic 1 question 125 discussion

Actual exam question from Cisco's 200-301
Question #: 125
Topic #: 1
[All 200-301 Questions]

Why is UDP more suitable than TCP for applications that require low latency such as VoIP?

  • A. UDP reliably guarantees delivery of all packets: TCP drops packets under heavy load
  • B. UDP uses sequencing data for packets to arrive in order TCP offers the capability to receive packets in random order
  • C. TCP uses congestion control for efficient packet delivery: UDP uses flow control mechanisms for the delivery of packets
  • D. TCP sends an acknowledgement for every packet received: UDP operates without acknowledgments
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Suggested Answer: D 🗳️

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Highly Voted 9 months, 3 weeks ago
Selected Answer: D
It is D just cause all the other answers are wrong but it doesn't really give an answer to the question.
upvoted 14 times
[Removed]
7 months, 3 weeks ago
TCP sends acknowledgement packets back to the sender that the (For Example Packet#54 is received) but UDP does not acknowledge the sender whether the message received or not thats why UDP has low latency becz acknowledgements consume bandwidth....
upvoted 2 times
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peplegal
Highly Voted 3 months ago
Selected Answer: D
Ther correct answer is "D", - But there is a typo in "every *packet* received". It should be ("every *segments* received" - Layer 4 - Transport) - Even though, letter "D" is a correct Answer. 1. The PDU of "Transport" Layer is called as a "Segment". 2. The PDU of "Network" Layer is called as a "Packet". 3. The PDU of the "Data-Link" Layer is called "Frames". More information on source: https://www.geeksforgeeks.org/difference-between-segments-packets-and-frames/
upvoted 6 times
drdrunk3nst3in
4 weeks ago
UDP uses datagrams. Before answer any question, check it!
upvoted 1 times
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ike110
Most Recent 6 months, 3 weeks ago
Should it be "segments" and not "packets"?
upvoted 2 times
peplegal
3 months ago
Yes, Ike !! You are Right !! Answer "D", It should be ("Segments" Layer 4 - Transport) instead of ("Packets" Layer 3 - Network) - Even though, letter "D" is a correct Answer.
upvoted 1 times
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C (25%)
B (20%)
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