Online Mbt
Online Model-Based Testing (Online MBT) generates and executes test cases dynamically while interacting with the system under test.
“Model-based test approach whereby test cases are generated and executed simultaneously.”
(Definition reproduced from the ISTQB Glossary. Copyright belongs to ISTQB.)
View the complete ISTQB GlossaryWhat is Online Mbt?
The testing tool continuously analyzes the model and system responses to determine the next test action during execution.
Dynamic generation: Test cases are created during execution.
Adaptive behavior: Test paths change based on observed results.
Automation focus: Typically requires specialized MBT tools.
Real World Example
A regulated product team is preparing a release where Online mbt appears in reviews, test design conversations, or defect triage rather than as an isolated glossary word.
The risk is that the team treats Online mbt as interchangeable with nearby ISTQB terms. That makes test scope blurry and can lead to weak evidence for the release decision.
The tester anchors the discussion in the official definition, asks where the concept appears in the product, and designs examples that show the difference between Online mbt and similar ideas.
The page becomes useful in practice because Online mbt is connected to a specific testing decision, not memorized as a detached definition.
Practice Questions
Question 1
Which statement BEST describes Online mbt in the context of ISTQB terminology?
Question 2
A tester needs to explain Online mbt to a non‑technical stakeholder. Which approach is MOST appropriate?
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