CI/CD

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Overview

CI/CD is a means of delivering applications on a regular basis by incorporating automation into the stages of app development. Continuous Integration, Continuous Delivery, and Continuous Deployment are its three key principles. It allows organizations to ship software efficiently and creates a faster way of combining the work of different people into one cohesive product.

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Question 1 of 30

1. Question
Which of the below options correctly describes the term “Continuous Integration”?
- Always keeping the application up-to-date
- Regularly merging the code changes into central repository for automated build and test execution
- Regularly integrating latest libraries into application code
- Always keeping the application code aligned with specified standards
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Question 2 of 30

2. Question
Out of the below options, what is not a benefit of Continuous Integration?
- Improve software quality
- Finding and Addressing bugs/issues quicker
- Faster updates
- Automatic release of application to customers
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Question 3 of 30

3. Question
Which of the below options correctly describes the term “Version Control”?
- Practice of authenticating users to central repository
- Practice of tracking and managing changes in application code
- Practice of controlling application versions
- Practice of updating applications with latest versions
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Question 4 of 30

4. Question
Which of the below options is a type of Version Control System?
- Centralized VCS
- Distributed VCS
- Both A & B
- Neither A nor B
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Question 5 of 30

5. Question
In CI/CD pipeline, what do you mean by “Stages”?
- Types of application versions
- Actions to be performed on the change committed in the code repository
- Work divided between various teams
- None of the above
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Question 6 of 30

6. Question
Imagine a scenario where you are working on an application with multiple developers and every developer is working on different features of the application. Your team wants to maintain one central repository for application build and release, while developers working on separate copies of main repository. This type of development is called as ___________________.
- Behaviour-driven development
- Feature-based development
- Central development
- Test-driven development
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Question 7 of 30

7. Question
Which of the following statements best describes a pull request in Version Control System?
- Allow to document the code review process for upcoming changes from source branch to the stable/release branch
- Allow you to commit your changes directly in the main branch
- Pull the main branch locally
- Target repository requesting you to push the code changes
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Question 8 of 30

8. Question
Which of the following choices is the fundamental difference between the mono-repo and multi-repo philosophy?
- There are multiple copies of all repository of a project in multi-repo
- Number of repositories to be managed for different components under single project/application
- Mono-repo is easy to maintain when project or services start scaling up
- Multi-repo doesn’t allow you to scale up your project or services
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Question 9 of 30

9. Question
Choose three key features of a quality code from below options.
- Maintainability
- Reliability
- Creativity
- Testability
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Question 10 of 30

10. Question
Which of the following indicates a deeper problem in a source code?
- Code bug
- Code Smell
- Memory Leak
- Logical Errors
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Question 11 of 30

11. Question
What main purpose does the testing serve in Continuous Integration?
- Continuous feedback to developers
- Error-free application deployment
- Quick releases
- None of these
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Question 12 of 30

12. Question
What is “Flaky Test” in testing?
- A test which produces more accurate results
- A test which find defects in code without actually executing it
- A test which produces different results even if there is no change in the code
- A test which doesn’t produce any result
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Question 13 of 30

13. Question
Choose three steps of test-driven development.
- Red
- Yellow
- Green
- Refactor
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Question 14 of 30

14. Question
How can we optimize the test execution in continuous integration?
- Breaking large tests into smaller units.
- Removing obsolete tests.
- Refactoring tests to have fewer dependencies.
- All of the above
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Question 15 of 30

15. Question
What do you mean by the term “Dynamic Testing” in CI/CD?
- Testing the code while it is being developed
- Testing the application’s behaviour during runtime of software
- Testing the code just before the release
- Testing the code by multiple tools at the same time
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Question 16 of 30

16. Question
Which of the following is not a feature of continuous delivery?
- Automate everything
- Continuous improvement
- Bug fixes and experiments
- Gathering requirements
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Question 17 of 30

17. Question
What is the basic flow of any CI/CD Pipeline?
- Source > build > test > deploy
- Build > source > deploy > test
- Test > source > build > deploy
- Test > build> deploy > source
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Question 18 of 30

18. Question
What is the best way to migrate Jenkins from one instance to another?
- Use third-party application for migration
- Archive JENKINS_HOME directory and copy it to new instance. Then set new owner for the directory in new instance.
- Install Jenkins in new server and start from scratch
- None of the above
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Question 19 of 30

19. Question
Which of the following choices best describe Continuous Delivery?
- It triggers automated testing for every code changes.
- A construct that holds a versioned set of artifacts specified in CI/CD.
- A set of processes, tools and techniques for rapid, reliable, and continuous development & delivery of applications.
- It triggers automated build process every time team member commits changes.
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Question 20 of 30

20. Question
What do you mean by the term “Static Testing” in CI/CD?
- Testing the uncompiled code
- Testing the code during compilation
- Testing the code post compilation
- Testing the code after it is committed into main branch
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Question 21 of 30

21. Question
What purpose is not served by “Continuous Monitoring” in CI/CD Pipelines?
- Managing logs to check why the problem (if any) has occurred.
- To check if the software is running smoothly as expected.
- To integrate new updates into applications.
- Helps monitoring business activities to gain insights into business matters.
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Question 22 of 30

22. Question
What is the major difference between Continuous Delivery and Continuous Deployment?
- Continuous Delivery is about delivering the application to customers and continuous deployment is about deploying the application in physical data centers.
- Continuous Delivery is creating a pipeline to automate integration of code changes and Continuous Deployment is creating pipeline to automate delivery of applications to customers.
- Continuous Delivery requires partial manual intervention to deploy changes while Continuous Deployment emphasizes automating the entire process without manual intervention.
- Continuous Delivery is all about gathering the requirements regarding applications and Continuous Deployment is about delivering those requirements.
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Question 23 of 30

23. Question
In simple terms, what do we mean by Artifact in CI/CD?
- Central code of our application
- Final application product
- Collection of all the releases of our application
- Deployable component of our application
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Question 24 of 30

24. Question
At which phase does “unit tests” run in CI/CD Pipeline?
- Commit Phase
- Build Phase
- Deployment Phase
- Delivery Phase
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Question 25 of 30

25. Question
Why are the “Regression Tests” helpful in any CI/CD pipeline?
- To ensure newly added changes do not impact existing code.
- To check responsiveness and stability of the application
- To validate that the code is executing as expected
- To verify that all the integrations work together smoothly
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Question 26 of 30

26. Question
What purpose does the parallel ephemeral testing environments serve in CI/CD and DevOps?
- To provide multiple parallel testing environments where build and test processes happen at once and reduces waiting period for developers.
- To provide temporary testing environments which mimics production environments.
- To deploy application in temporary environments which are delivered to customers.
- Both A and B
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Question 27 of 30

27. Question
Let’s say we have two production environments and the updates are pushed in these environments one by one. If one deployment fails or has problems then we switch the traffic to healthy environment which is running previous build while we debug what went wrong. This deployment type is known as _______________.
- Blue-Green Deployment
- A/B Testing Deployment
- Shadow Deployment
- Canary Deployment
Correct

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Question 28 of 30

28. Question
Out of below deployment types/strategies, which one causes downtime if we want to deploy a newer version of application? (Multiple Choice)
- Blue-Green Deployment
- Rolling Updates
- Canary Deployment
- Recreate Deployment
Correct

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Question 29 of 30

29. Question
Let us consider that you want to upgrade your application by deploying newer and more perfect version into your instances but you do not want to use two separate environments, rather you do the deployment within same environment only. Which deployment strategy would you choose which only uses single production environment with zero downtime? (Multiple Choice)
- Canary Deployment
- Blue-Green Deployment
- Rolling Update Deployment
- Recreate Deployment
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Question 30 of 30

30. Question
Which deployment type offers its newer version to only specific number of users based upon various parameters before making it available to all the users? (Multiple Choice)
- Shadow Deployment
- A/B Testing Deployment
- Rolling Update Deployment
- Canary Deployment
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CI/CD

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