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CRISC Practice Question: A risk assessment team is evaluating the…

A risk assessment team is evaluating the effectiveness of existing controls for a critical application. Which of the following approaches best determines whether controls are operating as intended?

⚠ Common exam trap

Test-takers frequently confuse 'design effectiveness' (confirmed by documentation and interviews) with 'operating effectiveness' (confirmed only by walkthroughs and testing), leading them to choose Option B or A when the question explicitly asks whether controls are operating as intended.

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

Conducting a walkthrough and testing the controls

Walkthroughs and testing provide direct, empirical evidence that controls are functioning as designed. For a critical application, this approach validates actual control execution (e.g., verifying that an automated access control list (ACL) on a database server actually blocks unauthorized queries), rather than relying on secondhand accounts or static documentation. Testing confirms operational effectiveness in real-time, which is essential for accurate risk assessment.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Interviewing the control owner

    Why it's wrong here

    Subjective and may not reflect actual operation.

  • Reviewing control documentation

    Why it's wrong here

    Only verifies design, not operation.

  • Conducting a walkthrough and testing the controls

    Why this is correct

    Provides direct evidence of effectiveness.

  • Analyzing historical audit findings

    Why it's wrong here

    Past findings may be outdated.

Visual reference

Source Router + ACL permit 10.0.0.0/8 deny any Server 10.0.0.5 ✓ 192.168.1.1 ✗ dropped ACLs evaluate top-down; first match wins — implicit deny all at end

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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