Which of these should a change model include? 1. The steps that should be taken to handle the change 2. Responsibilities; who should do what, including escalation 3. Timescales and thresholds for completion of the actions 4. Complaints procedures

The ITIL 4 Foundation certification is designed as an introduction to ITIL 4 and enables candidates to look at IT service management through an end-to-end operating model for the creation, delivery and continual improvement of tech-enabled products and services.