DEVOPSF Online Practice Questions and Answers

DevOps benefits from a `start-up spirit' to focus on innovation and entrepreneurship.

Which attitude to change fits with that start-up spirit in DevOps?

A. Authoritarian

B. Autonomous

C. Conservatism

D. Experiments

Commercial off-the-shelf software (COTS) has both advantages and limitations for businesses.

What is true about COTS?

A. COTS supports continuous development with its fast implementation

B. COTS will save the business time and money, by reducing development time

C. Depending on the type of COTS used, the possibility of customization is limited

What is a benefit of the way the Definition of Done is defined in DevOps?

A. The team focuses less on the "what" and more on "when"

B. The team focuses less on the "what and more" on "where"

C. The team focuses less on the "what" and more on "who"

D. The team focuses less on the "what" and more on "why"

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

DevOps practices incorporate the value stream concept from Lean Production.

What is a value stream?

A. The amount of products that are delivered within a timeframe

B. The sequence of releases that deliver a working product

C. The series of actions performed to fulfill any type of request

Your team works in three-week iterations and cannot get all the work for a batch done within the iteration. They frequently encounter bottlenecks.

What is the best reaction of the team after they identify a bottleneck?

A. Discuss with the Product Owner which work can be shifted to another iteration

B. Extend the length of this particular iteration to four weeks to remove the bottleneck

C. Trust that they will solve the bottleneck in the next batch or iteration

The most valuable information of a value stream map is taken from three key metrics.

What is one of these three key metrics?

A. Measured service

B. Percentage complete

C. Process time

D. Server time

A company wants to increase production stability. They have already automated all testing of new releases.

What else do they need to automate to increase production stability?

A. Change management process

B. Integration of release with deployment management

C. Root cause inventories for recovery

D. Release inventories for recovery

E. System and application monitoring