Question 966 of 984

CISA Practice Question: Information Systems Acquisition, Development, and Implementation

This CISA practice question tests your understanding of information systems acquisition, development, and implementation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.

An IS auditor is evaluating an organization's SDLC controls for a new system. Which TWO of the following are key controls that should be in place during the design phase? (Select TWO.)

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Architecture review by a senior architect

Architecture review by a senior architect is a key control during the design phase because it ensures the system's high-level structure aligns with security, scalability, and business requirements before development begins. This review catches design flaws early, reducing costly rework and preventing architectural weaknesses that could be exploited later. It is a formal gate in the SDLC that validates the design against established patterns and standards.

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.

  • Architecture review by a senior architect

    Why this is correct

    Architecture review validates the design against requirements and best practices.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Static application security testing (SAST)

    Why it's wrong here

    SAST is a development phase control (code scanning).

  • User acceptance testing (UAT)

    Why it's wrong here

    UAT occurs during the testing phase, not design.

  • Regression testing

    Why it's wrong here

    Regression testing is part of the testing phase.

  • Threat modeling to identify security threats

    Why this is correct

    Threat modeling is a key security control in design to build security in.

    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 confuse security testing techniques like SAST with design-phase controls, or they mistakenly think UAT or regression testing occur early in the SDLC, when in fact they belong to later phases.

Detailed technical explanation

How to think about this question

Threat modeling, such as using STRIDE or PASTA methodologies, systematically identifies threats like spoofing, tampering, or information disclosure by analyzing data flow diagrams and trust boundaries. For example, in a web application, threat modeling might reveal that session tokens are transmitted over HTTP instead of HTTPS, prompting a design change to enforce TLS 1.2+ before any code is written. This proactive approach reduces the attack surface and aligns with the 'shift left' security principle.

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.

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FAQ

Questions learners often ask

What does this CISA question test?

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: Architecture review by a senior architect — Architecture review by a senior architect is a key control during the design phase because it ensures the system's high-level structure aligns with security, scalability, and business requirements before development begins. This review catches design flaws early, reducing costly rework and preventing architectural weaknesses that could be exploited later. It is a formal gate in the SDLC that validates the design against established patterns and standards.

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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Last reviewed: Jul 4, 2026

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