How much free space is in the volume in this scenario?

A customer has a 1,000 GB volume used as a NAS share that has 3x 100 GB files and has no existing Snapshot copies. The customer creates a Snapshot copy of the volume, adds a 500 Gb file to the volume, and then deletes one of the 100 GB files from the volume.
How much free space is in the volume in this scenario?
A. 500 GB
B. 200 GB
C. 300 GB
D. 600 GB

Correct Answer: B
Explanation/Reference:
Snapshot copies minimize disk consumption by preserving individual blocks rather than whole files. Snapshot copies begin to consume extra space only when files in the active file system are changed or deleted. When this happens, the original file blocks are still preserved as part of one or more Snapshot copies.

Referen ces: https://library.netapp.com/ecmdocs/ECMP1368826/ html/GUID-CF9E77A6-BDD9-4138-A281-FC0E7BEA4C6D.html

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