Summary: Dasa Devops Fundamentals
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Read the summary and the most important questions on DASA DevOps Fundamentals
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2 DevOps The Context
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2.1 DevOps Evolution
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Provide a description of the wall of confusion.
The wall of confusion is a psychological and procedural barrier that
obstructs the flow of communication between the Development and
the Operations teams. -
Name 3 problems that can ocur with a wall of confusion
- No methodical hand-over is done
- Lack of sharing of information between development and operations.
- KNowledge articles are missed.
- No methodical hand-over is done
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What underlying problems should be tacled in order to dissolve the wall of confusion?
- Organizational Silos
- Different Mindsets (Features vs Stability)
- Different environments (test vs acc vs prod)
- Lack of interest in learning other tools
- Blame game
- Different tools
- No feedback loop
- Disintegrated processes. (ITIL vs SCRUM)
- Loss of work
- Organizational Silos
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When and where was DevOps started
DevOps started in 2007 in Belgium. -
Who Started the DevOps movement?
Patrick Debois and Andrew Schafer. -
What is the primairy reason to adopt DevOps?
To create a culture of high performance IT. -
2.2 Business Benefits of DevOps
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What are the 4 key characteristics of the succesful digital enterprise?
- Deliver software Faster
- Improve Continuity / Stability
- Reduce Costs
- Room for Innovation
- Deliver software Faster
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Whare are the 7 business benefits of DevOps?
- Improved Speed to Market
- Continuous Integration and Delivery
- Higher Quality, Fewer failures and higher stability
- Innovation and Creativity
- Increased employee engagement and job satisfaction
- Breaking down silo's and eliminating waste
- Resource and cost reduction
- Improved Speed to Market
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What is the ultimate benefit of DevOps?
Achieving Anti-Fragility -
2.4 Goals and Measurements
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What are the four aspects of measurement in DevOps
- Value
- Goals
- Metrics
- Compliance
- Value
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