1. International Foundation for Digital Competences. (2017). VeriSM™: A service management approach for the digital age. Van Haren Publishing.
Reference Point: Chapter 2, Section 2.4, Page 31 states, "A good leader will inspire and motivate their staff, rather than just telling them what to do." This directly contrasts the key leadership activity with traditional management tasks.
2. EXIN. (2018). Preparation Guide EXIN VeriSM™ Foundation.
Reference Point: Section 2.2, 'The organizational context', discusses the evolution of leadership styles required for digital transformation. It highlights the move towards servant leadership and other models that prioritize coaching, empowering, and motivating teams over direct control, which aligns with options A, B, and D being management functions.