exin devopsf practice test

DevOps incorporates Lean Production principles in software development.
What Lean principle is the core of DevOps?

• A. Continuous delivery
• B. Self-organization
• C. Value chain thinking
• D. Welcoming change

Your team uses continuous delivery.
What are two reasons to keep the batch size small? (Choose two.)

• A. So that each team member can get their own batch
• B. So that root causes of problems can be identified and resolved quickly
• C. So that the product owner can report back to the customer
• D. So that the product owner has a good idea of what is delivered when
• E. So that there is room for Kaizen blitzes in between work

What is a correct use of a value stream map?

• A. Identifying and eliminating bottlenecks in the process
• B. Inserting feedback from the customer into the process
• C. Visualizing the work that is done or is in process

What should be taken into account most when prioritizing tasks according to DevOps practices?

• A. How long the task has waited
• B. How much the team likes the task
• C. How much value the task adds
• D. How much work the task takes

Time-to-market is very important.
In what way is DevOps supporting a short time-to-market?

• A. By funding products and not projects, to allow for innovation and optimization
• B. By reassembling a DevOps team for each project to ensure relevant experience
• C. By training the team based on missing knowledge for each new iteration

What helps a DevOps team to successfully develop and deliver working software?

• A. Allowing your DevOps teams to develop their own specific mission
• B. Forming a DevOps team for short period of time during a project
• C. Identifying, fixing and learning from errors only after your project ended
• D. Writing code for software to have built-in quality as a main goal

When value stream mapping, which metric is essential to measure for each step?

• A. Cost of delay
• B. Delay divided by duration
• C. Key group comparison
• D. Percentage complete and accurate
• E. Work-in-Progress (WiP)

A company decides to do canary releases for some new functionality.
What is a description of a canary release?

• A. Releasing to a limited number of users, before releasing it to all users
• B. Switching users from interacting with one release to the next within seconds
• C. Test business hypotheses by having half of the users switch to a new release

Even more than Agile or Scrum, DevOps encourages continuous delivery of new functionality and
continuous
feedback from the customer.
What does this achieve?

• A. It increases the team’s responsibility
• B. It improves customer relations
• C. It yields a greater return on IT

In what way does DevOps take operational requirements into account?

• A. By considering the workflow from start to end
• B. By defining a feature set for first marketing
• C. By defining all activities that must be done