An organization has hired a new auditor to review its critical systems infrastructure for vulnerabilities.

Select an appropriate sample size of changes to production servers related to critical systems within the audit period and ensure they adhere to documented policies and standards.

Select an appropriate sample size of recently deployed servers and review their configuration files against the organization's policies and standards.

Select all production servers related to critical systems and review their configuration files against the organization's policies and standards.

Select an appropriate sample size of changes to recently deployed servers within the audit period and ensure they adhere to documented policies and standards.