1. VeriSM™: A service management approach for the digital age. International Foundation for Digital Competences, 2017.
Section 4.4.2, Progressive practices (DevOps), Page 81: "DevOps is a cultural and professional movement that stresses communication, collaboration and integration between software developers and IT operations professionals... It supports the automation of the process of software delivery and infrastructure changes." This directly links the practice to automation and accelerating delivery, which is the essence of option C. The goal is described as "releasing more reliable applications faster and more frequently," which contradicts option D.
2. VeriSM™: Unwrapped and Applied. Van Haren Publishing, 2018.
Chapter 5, Section 5.2, DevOps, Page 102: "The goal of DevOps is to shorten the development lifecycle and provide continuous delivery with high software quality." This supports the concept of acceleration in option C.
Chapter 5, Section 5.2, DevOps, Page 104: Discusses how change management adapts in a DevOps environment: "In a DevOps environment, many changes will be classified as ‘standard changes’ and pre-approved. The change is then managed through the automated testing and release process." This explicitly describes how automation streamlines and accelerates the change process.