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Exam NS0-158 All Questions

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Exam NS0-158 topic 1 question 20 discussion

Actual exam question from Netapp's NS0-158
Question #: 20
Topic #: 1
[All NS0-158 Questions]

You have a cluster of FAS controllers with HDD aggregates. The data is being compressed into 32 KB blocks before being written to a volume.
In this scenario, which type of compression is being used?

  • A. secondary, inline compression
  • B. adaptive, inline compression
  • C. adaptive, postprocess compression
  • D. secondary, postprocess compression
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
NetApp data compression reduces the physical capacity required to store data on storage systems by compressing data within a flexible volume (FlexVol volume) on primary, secondary, and archive storage. It compresses regular files, virtual local disks, and LUNs.
When NetApp data compression is configured for inline operation, data is compressed in memory before it is written to disk.
Incorrect Answers:
C, D: Postprocess compression can compress both recently written data and data that existed on disk prior to enabling compression.
References:
http://community.netapp.com/t5/Tech-OnTap-Articles/Back-to-Basics-Data-Compression/ta-p/86691
by cecomavu at April 5, 2025, 11:58 a.m.

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