Scrum SAFe-DevOps 問題練習

Question No : 1
Which Metric reflects the quality of output at each step in the Value Stream?

• A.Process time
• B.Lead Time
• C.Activity Ratio
• D.Percent complete and accurate (%C/A)

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正解:
Explanation:
https://www.scaledagileframework.com/continuous-delivery-pipeline/

Question No : 2
Which term describes the time it takes value to flow across the entire Value Stream?

• A.Activity ratio
• B.Total lead time
• C.Deployment frequency
• D.Rolled percent complete and accurate

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正解:
Explanation:
Evaluate the efficiency of your current Value Stream

Question No : 3
What are two benefits of DevOps? (Choose two.)

• A.Better alignment between strategy and execution
• B.Tightly coupled architecture
• C.Faster lead time
• D.Fewer defects
• E.Increased batch size

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正解:
Explanation:
https://www.scaledagile.com/devops/

Question No : 4
Which technical practice incorporates build-time identification of security vulnerabilities in the code?

• A.Threat modeling
• B.Application security
• C.Penetration testing
• D.Dynamic code analysis

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正解:
Explanation:
https://www.scaledagileframework.com/continuous-integration/

Question No : 5
DevOps is NOT

• A.Collaboration b/w Development and Operations
• B.Cultural Movement
• C.A one size fits all strategy
• D.Automating the process of software delivery and infrastructure changes

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正解:
Explanation:
DevOps is NOT a one size fits all strategy. For every DevOps implementation the strategy needs to be defined based on the organization's vision and goals (WHY).

Question No : 6
Which of the following is a goal of DevOps?

• A.Larger, less frequent releases
• B.Increased lead time between fixes
• C.Reduced feedback loops
• D.Lower failure rate of new releases

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正解:
Explanation:
DevOps helps in reducing the failure rate of new releases. This is achieved through collaboration of different teams, continuous integration, continuous delivery, etc.

Question No : 7
The Release on Demand aspect enables which key business objective?

• A.Quality
• B.Time-to-market
• C.Business value
• D.Alignment

答えを確認する

正解:
Explanation:
https://www.scaledagileframework.com/release-on-demand/

Question No : 8
Continuous Deployment enables which key business objective?

• A.Release continuously
• B.Business value
• C.Time-to-market
• D.Manage technical debt

答えを確認する

正解:
Explanation:
https://www.scaledagile.com/devops/

Question No : 9
What differentiates Deployment and Release in the continuous Delivery Pipeline?

• A.Deployment occurs multiple times per day; release occurs on demand
• B.Deployment occurs multiple times per day; release occurs in PI boundaries
• C.Deployment involves moving changes to staging; release involves moving them to production
• D.Deployment involves moving changes to production; release involves making them available to end users

答えを確認する

正解:
Explanation:
https://www.scaledagileframework.com/continuous-deployment/

Question No : 10
Which is a business value of DevOps?

• A.Reduced defect cycle time
• B.Increased test coverage
• C.Reduced time to deploy
• D.Increased market share

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正解:
Explanation:
Increased market share is one of the 'business' benefits of implementing DevOps. The other options represents the IT benefits of DevOps.

Question No : 11
The Continuous Exploration aspect primarily supports which key stakeholder objective?

• A.Research and development
• B.Hypothesize
• C.Alignment
• D.Business Value

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正解:
Explanation:
https://www.scaledagileframework.com/continuous-exploration

Question No : 12
What are the first two areas that should be identified in value stream mapping? (Choose two.)

• A.The bottleneck
• B.The people who supervise the work
• C.Process time, lead time, and percent complete and accurate
• D.The steps
• E.The people who do the work

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正解:
Explanation:
https://www.scaledagileframework.com/operational-value-streams/

Question No : 13
What identifies potential changes to the current-state Value Stream that could improve flow?

• A.Value Stream identification
• B.Problem-solving workshop
• C.Impact mapping
• D.Future-state mapping

答えを確認する

正解:
Explanation:
https://www.scaledagile.com/devops/

Question No : 14
Why is hypothesis evaluation important when analyzing data from monitoring systems in the Release on Demand aspect?

• A.It helps quickly create balanced scorecards for stakeholder review
• B.It helps operations teams know where to apply emergency fixes
• C.It helps link objective production data to the hypothesis being tested
• D.It helps define the minimum viable product

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正解:
Explanation:
One aspect In Release On Demand it to determine actual business value delivered through feedback collected from production.

Question No : 15
Who are the PRIMARY stakeholders for DevOps?

• A.All of the above
• B.Design Engineers
• C.Testers
• D.Quality Assurance

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正解:
Explanation:
Primary stakeholders of DevOps include all the roles in the organization and also the suppliers.