The answer is enhanced assurance that controls are embedded in the system design. This is correct because involving internal audit early in the SDLC allows control requirements to be identified and designed into the system from the start, avoiding costly retrofits; implementing controls during the design phase is significantly cheaper than adding them after development or deployment, as changes to code, architecture, or configuration are less disruptive and require less rework. On the Certified Information Systems Auditor CISA exam, this concept tests your understanding of the control benefits of early internal audit in SDLC, often appearing in questions that contrast proactive design-phase involvement with reactive post-implementation reviews. A common trap is confusing early audit with final acceptance testing—remember that early involvement focuses on preventive controls, not detection. A useful memory tip: "Design it right, not retrofit."
CISA Practice Question: Information Systems Acquisition, Development and Implementation
This CISA practice question tests your understanding of information systems acquisition, development and implementation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During the system development life cycle (SDLC), which THREE of the following are recognized benefits of involving internal audit early in the process?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Lower cost of implementing controls due to early design changes.
Option B is correct because involving internal audit early in the SDLC allows control requirements to be identified and designed into the system from the start, avoiding costly retrofits. Implementing controls during the design phase is significantly cheaper than adding them after development or deployment, as changes to code, architecture, or configuration are less disruptive and require less rework.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Reduced need for future independent audits.
Why it's wrong here
Independence is not reduced; audit still performs separate assurance.
✓
Lower cost of implementing controls due to early design changes.
Why this is correct
Early changes are cheaper.
Related concept
Read the scenario before looking for a memorised answer.
✗
Reduction in the number of system tests required.
Why it's wrong here
Audit does not replace system testing.
✓
Identification of potential control weaknesses before they are ingrained.
Why this is correct
Proactive risk identification.
Related concept
Read the scenario before looking for a memorised answer.
✓
Enhanced assurance that controls are embedded in the system design.
Why this is correct
Audit can advise on control design.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'reduced need for future audits' (a false benefit) with 'enhanced assurance' (a real benefit), or assume that early audit involvement reduces testing effort, when in fact it may increase the scope of validation to ensure controls are properly designed and implemented.
Detailed technical explanation
How to think about this question
In practice, early internal audit involvement often uses a 'control self-assessment' (CSA) approach during the requirements and design phases, mapping controls to specific system components (e.g., authentication modules, database encryption layers). This proactive engagement helps ensure that controls like segregation of duties, input validation, and audit logging are embedded in the system architecture (e.g., as database triggers or middleware rules) rather than bolted on later, which can introduce integration risks and performance overhead.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CISA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Information Systems Acquisition, Development and Implementation — This question tests Information Systems Acquisition, Development and Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Lower cost of implementing controls due to early design changes. — Option B is correct because involving internal audit early in the SDLC allows control requirements to be identified and designed into the system from the start, avoiding costly retrofits. Implementing controls during the design phase is significantly cheaper than adding them after development or deployment, as changes to code, architecture, or configuration are less disruptive and require less rework.
What should I do if I get this CISA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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