Can you answer this sample Security+ question on change management?

Q. A network administrator needs to update the operating system on switches used within the network. Assuming the organization is following standard best practices, what should the administrator do first?

A. Submit a request using the baseline configuration process.

B. Submit a request using the incident management process.

C. Submit a request using the change management process.

D. Submit a request using the application patch management process.

More, do you know why the correct answer is correct and the incorrect answers are incorrect? Answer and explanation are available here.