CISA Information System Auditing Process Practice Question
Which of the following is the PRIMARY reason an external audit is considered more independent than an internal audit?
⚠ Common exam trap
CISA often tests the misconception that independence derives from expertise, standards, or resources, when the fundamental driver is the absence of an employment relationship with the audited organization.
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
✓
External auditors are not employees of the organization.
The primary reason external auditors are considered more independent is that they are not employees of the organization, so they have no reporting line, compensation, or career dependency on the entity being audited. This structural separation reduces the risk of bias and conflicts of interest. Internal auditors, while ideally independent in function, remain employees and therefore have an inherent organizational relationship that can impair perceived independence.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
External auditors follow stricter standards.
Why it's wrong here
Both internal and external auditors apply professional standards; the difference lies in reporting lines. External auditors are engaged by and report to the board or shareholders, independent of management, whereas internal audit reports into the organisation. Stricter standards is a misconception, not the source of independence.
- ✗
External auditors have more technical expertise.
Why it's wrong here
Technical expertise is not the basis of independence; internal auditors are often specialists in the organisation's systems. External auditors are engaged by and report to shareholders or the audit committee, placing them outside management's reporting line. Expertise would matter when selecting specialists for complex engagements, not for independence.
- ✗
External auditors have access to more resources.
Why it's wrong here
Resource availability does not determine independence; an internal audit function can be well funded. External auditors are appointed by and accountable to shareholders or the audit committee, outside the management chain they examine. Greater resources would be relevant when scoping a large engagement, not to independence itself.
- ✓
External auditors are not employees of the organization.
Why this is correct
External auditors sit outside the organisation's reporting line, so they owe no employment allegiance to management and face no promotion or remuneration pressure from the audited entity. This structural separation from the chain of command directly satisfies the stem's independence constraint, unlike internal auditors who remain employees subject to management authority.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISACA exam blueprint
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