A financial services firm is converting historical transaction data from a mainframe system to a new data warehouse. The data includes transactions from multiple source systems with different currency formats and time zones. The firm must ensure that the converted data is accurate and that any discrepancies are traceable. What is the most effective approach?

Convert only the most recent five years of data to reduce complexity

Use a standard ETL tool with built-in transformation functions and log all transformations

Load the data as-is and adjust the reporting queries to handle the differences

Manually convert the data using spreadsheets

What is the main objective of a post-implementation review (PIR) after a system migration?

To train end users on the new system

To evaluate whether the migration met its objectives and identify lessons learned

To develop the new system's code

A bank is converting customer loan data to a new system. After the conversion, the bank's internal audit team wants to verify that the number of active loans in the new system matches the legacy system. Which validation technique is most appropriate?

Perform a sample of loan records to check for accuracy

Count the records in both systems and compare the totals

Test the new system's loan processing functionality

Review the data mapping documentation

Certified Information Systems Auditor

Domain 3Objective 7

System Migration, Infrastructure Deployment, and Data Conversion CISA Practice Questions (Page 4)

Part of the Information Systems Acquisition, Development and Implementation domain, which accounts for 12% of the CISA exam.

31questions here

7free pages

7concepts

12%of the exam

Questions 16–20

16expert · hard
A financial services firm is converting historical transaction data from a mainframe system to a new data warehouse. The data includes transactions from multiple source systems with different currency formats and time zones. The firm must ensure that the converted data is accurate and that any discrepancies are traceable. What is the most effective approach?
Select an answer first
17foundation · easy
What is the main objective of a post-implementation review (PIR) after a system migration?
Select an answer first
18foundation · easy
Which migration strategy involves running the old and new systems simultaneously for a period before fully switching over?
Select an answer first
19application · medium
A bank is converting customer loan data to a new system. After the conversion, the bank's internal audit team wants to verify that the number of active loans in the new system matches the legacy system. Which validation technique is most appropriate?
Select an answer first
20foundation · easy
An organization wants to minimize downtime and risk by migrating its systems in stages, moving one department at a time. Which migration strategy best fits this approach?
Select an answer first

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System Migration, Infrastructure Deployment, and Data Conversion CISA Practice Questions (Page 4)

Questions 16–20

What is the main objective of a post-implementation review (PIR) after a system migration?

Which migration strategy involves running the old and new systems simultaneously for a period before fully switching over?

A bank is converting customer loan data to a new system. After the conversion, the bank's internal audit team wants to verify that the number of active loans in the new system matches the legacy system. Which validation technique is most appropriate?

An organization wants to minimize downtime and risk by migrating its systems in stages, moving one department at a time. Which migration strategy best fits this approach?

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