The Service Operation function that is primarily responsible for helping design, implement, and maintain applications is:
Explanation
Answer: D - Application Management is the Service Operation function that is primarily responsible for helping design, implement, and maintain applications.
Key Takeaway: Application Management, the Service Desk, Technical Management, and IT Operations Management are the four functions of Service Operation. Application Management is also responsible for managing applications through their entire life cycle, helps identify functional requirements for software, helps make the build vs. buy decisions, and helps define what skills are needed by staff to support the applications.