Which of the following statements are true about the Information Technology Infrastructure Library? Each correct answer represents a complete solution. Choose all that apply.
A. It illustrates organization-specific tasks and checklists that are used by an organization for establishing a maximum level of competency.
B. It mainly focuses on aligning IT services with the needs of business.
C. It is a set of good practices for IT service management (ITSM)
D. It is used to demonstrate compliance and to measure improvement.