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availability

🔒 CT-SEC 🛡️ CT-STE 📕 CTAL-TTA

Official ISTQB Definition

The degree to which a component or system is operational and accessible when required for use.

3 Ways to Think About It

💡
The Quick Take

The degree to which a system is operational when needed.

🔍
Look Closer

Is the system up and working when users try to use it?

🎯
The Bottom Line

Uptime - the percentage of time the system is accessible.

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