4.6 - Uptime and Availability
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Practice Questions
Test your understanding with targeted questions
What is uptime?
💡 Hint: Think about the opposite of downtime.
Define MTTR.
💡 Hint: What does it measure regarding a system's failure?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the meaning of uptime?
💡 Hint: Remember, it's the opposite of downtime.
MTTR stands for mean time to what?
💡 Hint: Think of what it measures.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An IoT system reports a total operating time of 5000 hours with 100 hours of downtime. Calculate MTBF if an average of 25 failures happen during that period.
💡 Hint: Consider how MTBF reflects time between each failure.
A service experiences an average MTTR of 3 hours and a goal MTTR of 1 hour. Discuss how achieving the goal MTTR can improve service availability.
💡 Hint: Reflect on the impact of repair times on availability.
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