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Exam 70-740 topic 1 question 155 discussion

Actual exam question from Microsoft's 70-740

Question #: 155
Topic #: 1

Your network contains an Active Directory domain. The domain contains a new file server named Server1 that runs a Server Core installation of Windows Server
2016.
Server1 has an ReFS-formatted volume D: and NTFS-formatted volume E:. The volumes do not contain any data.
You install the Data Deduplication role service on Server1.
You need to implement Data Deduplication for volumes on D: and E:.
Solution: From Windows PowerShell, you run Format-Volume D: -FileSystem EXFat and Enable-DeDupVolume -Volume D:,E:.
Does this meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: B 🗳️

by gdog19 at March 17, 2019, 8:27 p.m.

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gdog19

Highly Voted 6 years, 3 months ago

no has to be NTFS https://docs.microsoft.com/en-us/powershell/module/deduplication/enable-dedupvolume?view=win10-ps

upvoted 9 times

lbs

5 years, 1 month ago

Data deduplication is not supported for certain volumes, such as any volume that is not a NTFS file system or any volume that is smaller than 2 GB.

upvoted 1 times

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dan

Highly Voted 6 years, 3 months ago

No, for 2016 only NTFS and ReFS are supported not - ExFat so formatting the D: drive to that volume type is incorrect

upvoted 8 times

RockClimber

6 years ago

I agree with you

upvoted 1 times

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RickSk

5 years, 10 months ago

Moreover, data deduplication is not supported in ReFS.

upvoted 3 times

Pramukh

5 years, 5 months ago

But now it does :)

upvoted 4 times

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DaveC

5 years, 10 months ago

I thought dedup for ReFS was only supported as of Server 2019?

upvoted 5 times

eroc1990

4 years, 8 months ago

As of Server 2016 ver 1709 dedup is supported on ReFS. See: https://docs.microsoft.com/en-us/windows-server/storage/refs/refs-overview#the-following-features-are-available-on-refs-and-ntfs

upvoted 1 times

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coleman

5 years, 8 months ago

only NTFS support

upvoted 2 times

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ve22

Most Recent 5 years, 5 months ago

ReFs is supported only server Core and Nano server since 1709 version of 2016... But this is exFat formatting as i understand?!

upvoted 2 times

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MrRiver

5 years, 9 months ago

Dan is right - only NTFS Volumes are Supported, extfat is also not supported. If you run enable-dedupvolume on ReFs or Extfat volume you get a error: Deduplication is supported on fixed, write-enabled NTFS data volumes and CSV backed by NTFS data volumes. So it's B- No

upvoted 4 times

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ShockwaveXYZ

5 years, 9 months ago

For the 70-740 exam Refs formatted volumes do not support data deduplication.

upvoted 1 times

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