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Exam VCS-277 topic 1 question 30 discussion

Actual exam question from Veritas's VCS-277
Question #: 30
Topic #: 1
[All VCS-277 Questions]

Which action is performed by the NetBackup deduplication plug-in?

  • A. writing data segments into the MSDP containers
  • B. processing MSDP transaction logs
  • C. performing file fingerprinting actions
  • D. performing queue processing
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Reference:
http://itdoc.hitachi.co.jp/manuals/oem/veritas/JP1V101VERINBU02500/NetBackup7.6_Dedupe_Guide_e.PDF

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Swanie
2 years, 1 month ago
Correct answer is C: "NetBackup uses a unique identifier to identify each file and each file segment that is backed up. The deduplication plug-in reads the backup image and separates the image into files. The plug-in separates the files into segments. For each segment, the plug-in calculates the hash key (or fingerprint) that identifies each data segment. To create a hash, every byte of data in the segment is read and added to the hash."
upvoted 1 times
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fmatzinger
3 years, 1 month ago
I think correct answer is C The deduplication engine, not the plug-in, is responsible for writing data segments into the MSDP containers
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