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Exam NS0-161 topic 1 question 19 discussion

Actual exam question from Netapp's NS0-161
Question #: 19
Topic #: 1
[All NS0-161 Questions]

Click the Exhibit button.

The exhibit displays the values for the default adaptive QoS policy. An administrator assigns the Value policy to a 1 TB volume. Over time, the volume expands to
3 TB.
What is the peak IOPS for the volume, both before and after the expansion? (Choose the best answer.)

  • A. 512 IOPS and 512 IOPS
  • B. 512 IOPS and 1536 IOPS
  • C. 512 IOPS and 12288 IOPS
  • D. 75 IOPS and 512 IOPS
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
Reference:
http://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.pow-perf-mon%2FGUID-B144F39A-2E14-4048-91CA-D8080C50F70D.html
by vjoe at Dec. 10, 2020, 2:09 p.m.

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dieymir
3 years, 6 months ago
Answer is B [-expected-iops-allocation {used-space|allocated-space}] - Expected IOPS Allocation Specifies the expected IOPS allocation policy. The allocation policy is either allocated-space or used-space. When the expected-iops-allocation policy is set to allocated-space, the expected IOPS is calculated based on the size of the storage object. When the expected-iops-allocation policy is set to used-space, the expected IOPS is calculated based on the amount of data stored in the storage object taking into account storage efficiencies. The default value is allocated-space. [-peak-iops-allocation {used-space|allocated-space}] - Peak IOPS Allocation Specifies the peak IOPS allocation policy. The allocation policy is either allocated-space or used-space. When the peak-iops-allocation policy is set to allocated-space, the peak IOPS is calculated based on the size of the storage object. When the peak-iops-allocation policy is set to used-space, the peak IOPS is calculated based on the amount of data stored in the storage object taking into account storage efficiencies. The default value is used-space.
upvoted 4 times
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azuremaddy
3 years, 8 months ago
I feel it is "C" Reference: http://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.pow-perf-mon%2FGUID-B144F39A-2E14-4048-91CA-D8080C50F70D.html
upvoted 1 times
Metasploit
3 years, 8 months ago
B. Value Policy: Peak 512 IOPS per TB 1TB volume= Peak 512 IOPS 3TB volume= 512*3 = Peak 1536 IOPS
upvoted 1 times
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gieho
3 years, 9 months ago
Peak = used TB Expected = allocated TB Ans: A
upvoted 1 times
malotru
3 years, 8 months ago
peak-iops is the maximum possible IOPS per allocated or used TB|GB. Please RTFM : https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.pow-perf-mon%2FGUID-B144F39A-2E14-4048-91CA-D8080C50F70D.html So for me if it's B
upvoted 2 times
Guss_122
3 years, 8 months ago
You're right : peak-iops is the maximum possible IOPS per allocated or used TB|GB. Means B is the good one.
upvoted 2 times
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Vindi
3 years, 11 months ago
Agree B
upvoted 1 times
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vjoe
3 years, 11 months ago
B Peak IOPS of 512 per 1TB, 512 x 3 = 1536
upvoted 1 times
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