Exam CISA topic 1 question 1237 discussion

Option C, reason not to select option A can be that it is a small team and segregation can be compensated.

Post-implementation testing is crucial in identifying and resolving any defects, errors, or problems that may have occurred during deployment or were missed during previous testing phases. The IT administrator's access to the operational and development environments is not a concern for information technology auditors. IT administrators are accountable for managing and maintaining the IT infrastructure, including the operational and development environments. It is absolutely necessary for employees to have access to both environments, provided they adhere to the appropriate policies and procedures for access, use, and protection. Furthermore, IT administrators must perform essential tasks such as backup, restore, patching, and troubleshooting in both environments.