Which process covers the work done by external suppliers who may NOT be using PRINCE2?

Which process covers the work done by external suppliers who may NOT be using PRINCE2?
A . Closing a Project
B . Managing a Stage Boundary
C . Managing Product Delivery
D . Directing a Project

Answer: C

Explanation:

The Managing Product Delivery process in PRINCE2 covers the work done by external suppliers, even if they are not using PRINCE2. This process ensures that the work assigned to external suppliers is managed effectively, focusing on the acceptance, execution, and delivery of project products according to the agreed requirements.

Reference: PRINCE2 Foundation manual, PRINCE2 official resources