Practice Uptime And Availability (4.6) - Chapter 9: IoT Testing, Deployment, and Performance Evaluation

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is uptime?
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Think about the opposite of downtime.
Question 2.
Define MTTR.
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What does it measure regarding a system's failure?
3Question 3.
What is the meaning of uptime?
- Operational time
- Downtime
- Average repair time
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Remember, it's the opposite of downtime.
4Question 4.
MTTR stands for mean time to what?
- True
- False
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Think of what it measures.
Question 5.
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.
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Consider how MTBF reflects time between each failure.
Question 6.
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.
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Reflect on the impact of repair times on availability.

5 more questions in this section. Enroll free to practise them all.