DEVOPSF Online Practice Questions and Answers

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

A team stores not only source code, but many other things related to the IT system, such as tests, scripts, artifacts, libraries and many other things.

Which DevOps principle has this team implemented?

A. Continuous delivery

B. Deployment pipeline

C. Version control

A company is not yet using DevOps practices. The team notices a problematic accumulation of technical debt. One of the team members suggests implementing DevOps practices to solve this problem.

Which DevOps practices support reducing technical debt?

A. Constant refactoring and eliminating previous bottlenecks

B. Continuous delivery and promoting pair programming

C. Continuous feedback and implementing a deployment pipeline

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

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

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

A commonly understood definition of the term `time-to-market' is:

The time between business idea and the possibility of a customer purchase.

Which two DevOps practices may help reduce the time-to-market for a company? (Choose two.)

A. Continuous delivery and deployment

B. Continuous identification and reduction of losses

C. Extreme programming

D. Pair programming

E. Visualizing the Work-in-Progress (WiP)

What is not a proper use of the deployment pipeline?

A. As an audit log that enables the monitoring of all changes

B. As an optimal way to link development and testing together

C. To accelerate the delivery of changes to Production

D. To always maintain the system in a working condition