Advanced – Non-Functional Testing
Timeout – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A maximum duration for an operation, after which it is aborted to prevent resource exhaustion.
In simple words
A hard limit on how long an operation is allowed to run.
Exam tip
Every network call needs a timeout — missing timeouts are a top cause of outages.
Related terms
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