LEXICON Open App →
HomeGlossary › failover

failover

📖 ISTQB Glossary

Official ISTQB Definition

The backup operational mode in which the functions of a system that becomes unavailable are assumed by a secondary system.

3 Ways to Think About It

💡
The Quick Take

Automatic switching to a backup system when the primary fails.

🔍
Look Closer

Redundancy that keeps things running when components die.

🎯
The Bottom Line

The system's ability to recover from failures by switching to backups.

Practice this term with quizzes and arcade games

Study with Lexicon →
← failedAll Termsfailure →