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Exam 200-301 topic 1 question 1381 discussion

Actual exam question from Cisco's 200-301
Question #: 1381
Topic #: 1
[All 200-301 Questions]



Refer to the exhibit. What is the cause of poor performance on router R19?

  • A. excessive collisions
  • B. excessive CRC errors
  • C. port oversubscription
  • D. speed and duplex mismatch
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️

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SnowWhiteYeti
Highly Voted 8 months, 1 week ago
Selected Answer: C
The key indicator in the output is the "Total output drops: 135298429". This suggests a significant number of packets are being dropped because the interface cannot handle the traffic, which is typically due to port oversubscription (answer C). While there are some CRC errors and collisions, these numbers are much smaller compared to the massive number of output drops, which points toward the port being overwhelmed with traffic, a classic sign of oversubscription rather than issues like collisions or CRC errors. So the correct answer is C. port oversubscription.
upvoted 6 times
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bezkin
Most Recent 7 months, 3 weeks ago
this output was taken after they were finished pushing the traffic, i believe thats why we dont see anything in the output queue (if it were happening in realtime, we would see the output queue max out as well to give more indication) which is somewhat fair, sometimes when we investigate an issue, it isnt happening in realtime anymore, but we still need to solve it.
upvoted 1 times
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exiledwl
7 months, 3 weeks ago
Selected Answer: C
snowwhiteyeti comment seems legit
upvoted 1 times
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Gene_nstudy
8 months, 2 weeks ago
Selected Answer: D
This show interface output is strange.
upvoted 3 times
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