The most types of audit which is the external auditor its exercise by virtue of the nature of his work is:

<p style="text-align:left;"><span><span>A -</span> <span>Operational</span> <span>Audit</span></span></p> <p style="text-align:left;"><span><span>B</span> <span>-</span> <span>administrative</span> <span>scrutiny</span></span></p> <p style="text-align:left;"><span><span>C</span> <span>-</span> <span>check</span> <span>compatibility</span></span></p> <p style="text-align:left;"><span><span>D</span> <span>-</span> <span>Financial Audit</span></span></p>