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Exam NCM-MCI topic 1 question 1 discussion

Actual exam question from Nutanix's NCM-MCI
Question #: 1
Topic #: 1
[All NCM-MCI Questions]

An administrator receives reports about a Nutanix environment. The investigation finds the following;
✑ VMs are experiencing very high latency
✑ Each node is equipped with a single SSD, utilized at 95%
✑ Each node is equipped with three HDDs, utilized at 40%
Why are the guest VMs experiencing high latency?

  • A. CVMs are overwhelmed by disk balancing operations.
  • B. All VM write operations are going to HDD.
  • C. All VM read operations are coming from HDD.
  • D. VMs are unable to perform write operations
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by BillBaits at Oct. 30, 2021, 1:14 p.m.

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ed838d7
5 months, 2 weeks ago
This exam is obsolete. It is not the NCM-MCI 6.5 break fix exam with 15 questions. It is an outdated exam. I would guess either 5.15 or 6.0, not 6.5.
upvoted 2 times
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e4af987
5 months, 2 weeks ago
I think A - which comes first? the Reprovisioning of where the data rests or the because now the Reads are coming from HDD? I think A.
upvoted 1 times
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pharoah2000
1 year, 6 months ago
Selected Answer: B
B. On the Nutanix Cluster once a disk (SSD-PCIe, SSD-SATA or DAS-SATA storage tier) reaches 95% full Stargate will not write to that disk https://portal.nutanix.com/page/documents/kbs/details?targetId=kA0600000008hfcCAA D. The question does not indicate the the data is cold, only cold data is read from HDD.
upvoted 1 times
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EhCloudGrrrU
1 year, 8 months ago
Selected Answer: B
Answer is 'B' - if the SSDs are 95% full, they can long take on new writes, therefore writes have to go to HDD, which is much slower.
upvoted 2 times
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nabillose
1 year, 8 months ago
Correct answer is C
upvoted 1 times
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AlexNut
2 years, 9 months ago
Selected Answer: A
After using of 75% ssd starts overwhelmed tearing operation, correct is A
upvoted 3 times
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BillBaits
3 years ago
Correct
upvoted 1 times
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B (20%)
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