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Exam JN0-102 topic 1 question 13 discussion

Actual exam question from Juniper's JN0-102
Question #: 13
Topic #: 1
[All JN0-102 Questions]

Which two statements are true about TCP communication? (Choose two.)

  • A. The receiver acknowledges the final packet in each communications stream.
  • B. The receiver adds sequencing numbers to the packets received.
  • C. The sender adds sequencing numbers to the packets it sends.
  • D. The receiver acknowledges each packet it receives from the sending device.
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Suggested Answer: AC 🗳️

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DFK
Highly Voted 5 years, 4 months ago
The correct answer, CD... The sender adds sequence numbers to the packets it sends The receiver acknowledges each packet it receives from the sender If the receiver did not send an acknowledgement for each packet, missing packets would never be resent because the sender only knows when the transmission is over. TCP resends missing or corrupted packets.
upvoted 9 times
Chy
5 years, 2 months ago
hello , so the answer A is incorrect?
upvoted 1 times
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ontheflow
Most Recent 2 years, 7 months ago
Selected Answer: CD
As written from DFK
upvoted 1 times
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CISCO_CCNP
4 years, 7 months ago
The correct one is C D
upvoted 1 times
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Doc_Doom
4 years, 7 months ago
A is correct, because the receiver doesn't acknowledge each individual packet. Instead a set number of packets is sent and checked for errors. If errors are found ,the whole stream of packets is sent again, NOT the packets individually.That said, A and C are good
upvoted 2 times
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Chuckard
5 years, 1 month ago
Yes, A is incorrect. The sender sends the FIN flag, not the receiver.
upvoted 1 times
Chy
5 years, 1 month ago
so the answer is C and D?
upvoted 2 times
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pedronorte
4 years, 9 months ago
Which needs to be acknowledged, so A is correct.
upvoted 1 times
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justwhat666
5 years, 1 month ago
not it acknowldges the final packet not each packet it says it has now received (example) 29 andsender will know whats missing
upvoted 1 times
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C (25%)
B (20%)
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