The help desk function of an organization is responsible for providing technical support and assistance to end-users and resolving issues related to hardware, software, and other IT-related problems. Maintenance service items such as production support, troubleshooting, resolving user issues, and providing general IT assistance typically fall under the purview of the help desk function. why answer is not "D"?

Performing intrusion testing on a regular basis is not typically considered a systems software control. Intrusion testing, also known as penetration testing or ethical hacking, is a form of security testing where experts simulate cyberattacks to identify vulnerabilities in the system. It is an important security practice, but it falls under the category of cybersecurity and security testing rather than systems software control. Why not "C" (question 105)?