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Exam CISA topic 1 question 519 discussion

Actual exam question from Isaca's CISA
Question #: 519
Topic #: 1
[All CISA Questions]

Which of the following approaches provides the BEST assurance and user confidence when an organization migrates data to a more complex enterprise resource planning (ERP) system?

  • A. User acceptance testing (UAT)
  • B. Parallel processing
  • C. Phased changeover
  • D. Pilot testing
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by Deeplaxmi at Oct. 3, 2022, 2:45 p.m.

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Swallows
23 hours, 57 minutes ago
Selected Answer: C
Parallel processing (option B) involves running both the old and new systems simultaneously for a period, which can be resource-intensive and complex. It requires synchronization of data between systems and can lead to confusion if discrepancies arise between the old and new systems. Therefore, phased changeover is generally considered the BEST approach for ensuring assurance and user confidence when migrating data to a more complex ERP system.
upvoted 1 times
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a84n
2 months, 1 week ago
Selected Answer: C
Answer: C option A&B may not provide the same level of assurance and user confidence as phased changeover in the context of migrating to a more complex ERP system.
upvoted 2 times
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3008
7 months, 2 weeks ago
Selected Answer: A
A is correct.
upvoted 1 times
ChaBum
3 months, 4 weeks ago
C is correct
upvoted 3 times
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oldmagic
1 year ago
Selected Answer: B
I'm going with B. Key word is "Assurance" UAT does not provide assurance although it may help with gaining user confidence.
upvoted 2 times
ChaBum
3 months, 4 weeks ago
parallel processing won't gain users confidence because the old system being available they won't use new one.
upvoted 1 times
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David_Hu
1 year, 6 months ago
Selected Answer: A
should be A
upvoted 2 times
ChaBum
3 months, 4 weeks ago
should be C
upvoted 2 times
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Deeplaxmi
1 year, 9 months ago
UAT could be the most appropriate answer as the question is about most confidence.. so A
upvoted 1 times
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