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Exam NS0-160 topic 1 question 15 discussion

Actual exam question from Netapp's NS0-160
Question #: 15
Topic #: 1
[All NS0-160 Questions]

Click the Exhibit button.

Referring to the output shown in the exhibit, which aggregate capacity is available for a volume?

  • A. 4TB
  • B. 8TB
  • C. 3.4 TB
  • D. 3.6 TB
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by gino at July 12, 2019, 3:03 p.m.

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gino
Highly Voted 5 years, 10 months ago
A? https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-psmg%2FGUID-2B28466A-96A9-4D75-BAF0-DA0DDDDCAE9F.html
upvoted 5 times
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eprop
Most Recent 4 years, 7 months ago
I think this question about "marketing HDD capacity" issue, where is 4TB (4.000.000.000.000 bytes) translates to ~3,67TB real HDD capacity
upvoted 2 times
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Floho
4 years, 7 months ago
what is now the correct answer?
upvoted 1 times
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Ultimabstract
4 years, 8 months ago
C is correct Usable space for a volume = Aggregate capacity - 10% (WAFL reserve) - 5% (Snapshot reserve)
upvoted 2 times
bob78
4 years, 8 months ago
The question is asking capacity for an aggregate not a volume, so no snap reserve.
upvoted 1 times
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ElsayedElmazoun
5 years, 1 month ago
could anyone confirm with me it's 3.6 only due to 10%reserved for WAFL or it would be 3.4 due to (WAFlL+5% for snapshots)
upvoted 1 times
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jimmm
5 years, 1 month ago
It's D. Checked on ONTAP, additional 10% of total disk capacity is gone once you create aggregate, as andrersonneo written below
upvoted 1 times
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010
5 years, 3 months ago
ans is A
upvoted 1 times
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Wilson
5 years, 5 months ago
I think C (3.4 TB)
upvoted 1 times
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andersonneo
5 years, 8 months ago
There is a loss of ~10% when volume is created out of aggregate. The correct answer should be 3.6
upvoted 2 times
gino
5 years, 7 months ago
Hi Anderson, are you sure? could you please provide us the link of the documentation?
upvoted 1 times
marto
5 years, 7 months ago
Here is the link - https://kb.netapp.com/app/answers/answer_view/a_id/1035275/~/how-to-calculate-a-volumes-usable-and-physical-space-
upvoted 2 times
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mpoloq
5 years, 7 months ago
Based on https://kb.netapp.com/app/answers/answer_view/a_id/1002502#section4 there is 10% reserved for WAFL and 5% reserved for aggr snap. Both options cannot be changes so the correct answer should be C
upvoted 3 times
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sugisho
5 years, 9 months ago
-mirror true yes A
upvoted 3 times
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C (25%)
B (20%)
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