Here’s a concise write-up on . ITIL CBT: A Flexible Path to IT Service Management Certification What is ITIL CBT? ITIL CBT refers to using computer-based training platforms to learn about the IT Infrastructure Library (ITIL) framework. Instead of attending in-person classroom sessions, learners use on-demand software, video modules, practice exams, and interactive simulations to prepare for ITIL certification exams (e.g., ITIL 4 Foundation).