Best Quality Scrum PSD Exam Questions Pass4training Realistic Practice Exams [2021]
Critical Information To Professional Scrum Developer Pass the First Time
NEW QUESTION 54
Which are not true about scrum? Choose two.
- A. Scrum is like traditional project management, but then with project managers replaced by self-management.
- B. Scrum is based on empirical process control
- C. Scrum is a methodology based on empirical process control.
- D. Scrum is a framework for developing and sustaining complex products.
- E. Each component of scrum serves a specific purpose and is essential to Scrum's success
Answer: A
Explanation:
Scrum is not a methodology, because it doesn't fill in the details, it's a framework. Next to that, it is not like traditional project management where time, cost and scope are fixed.
NEW QUESTION 55
Is it a good idea to follow each automated build with the execution of automated tests?
- A. Yes, it will show code coverage which is an excellent metric of quality and progress
- B. No, it takes too much time
- C. Yes, the tests may identify whether there are bugs that the developers should fix before proceeding
- D. No, the outcomes might disturb the developers' focus
Answer: C
Explanation:
It's definitely a good practice. And not because you can see the code coverage (which also isn't an excellent metric of quality and progress), but because you can detect problems before moving on.
NEW QUESTION 56
What event is timeboxed?
- A. All of these
- B. Daily Scrum
- C. Sprint retrospective
- D. Sprint review
- E. Sprint
- F. Sprint planning
Answer: A
NEW QUESTION 57
What are two ways developers can ensure a good architecture? (two answers)
- A. The developers have a set of guiding architecture principles that every developer understands and follows when writing code
- B. Architecture is an ongoing discussion amongst the developers, focusing on implementing current Sprint Backlog Items
- C. The developers focus only on adding functionality. The architecture will take care of itself as the developers add functionality
- D. Developers assign someone to the role of software architect to ensure the architecture
- E. Architecture is dealt with in sprint 0
Answer: A,B
Explanation:
There is no sprint 0, architecture won't take care of itself and there is no architect role. The architecture is an ongoing discussion and growing construct. There are guidelines and principles in place.
NEW QUESTION 58
What event is timeboxed?
- A. All of these
- B. Daily Scrum
- C. Sprint retrospective
- D. Sprint review
- E. Sprint
- F. Sprint planning
Answer: A
Explanation:
All the scrum events are timeboxed.
NEW QUESTION 59
What is a mock object?
- A. A test object that mimics the behavior of a dependency in the system under test
- B. Mocks, stubs, dummies, fakes and shims are all the same
- C. A mock helps you create a build script
- D. A mock is a way to initialize the database for testing
Answer: A
NEW QUESTION 60
What do scrum artifacts represent?
- A. Flow and feedback
- B. Work that needs to be done
- C. Work or value
- D. Visual representation of the progress
Answer: C
Explanation:
The scrum artifacts are: product backlog, sprint backlog and the increment. They represent work or value.
NEW QUESTION 61
Which are obligatory scrum events?
- A. sprint retrospective
- B. sprint review
- C. backlog refinement
- D. sprint planning
- E. daily scrum
- F. sprint goal meeting
Answer: A,B,D,E
Explanation:
If you are not sure, please review the Scrum events section in the scrum guide
NEW QUESTION 62
The role of the scrum master during the daily scrum is:
- A. Ensure that the meeting takes place and that its timebox won't be exceeded
- B. Manage the meeting
- C. Lead the discussion
- D. Make sure all three questions of the daily scrum are answered
- E. All of these
Answer: D
Explanation:
The scrum master doesn't need to be present during the daily scrum. Neither does the daily scrum need to consist of three questions, which is a commonly chosen format though.
NEW QUESTION 63
How much time must a product owner spend with the developers?
- A. However much time the developers ask the PO to be present
- B. 100%
- C. Enough to be aware of the increment's value at the sprint review
- D. 40%, or more depending on stakeholders
Answer: A
Explanation:
This should not be too much in a healthy situation, and this also doesn't imply that the developers can control the PO. But when the developers need the product owner to clarify or renegotiate the work to be done, it will be an impediment if the PO is not available.
NEW QUESTION 64
Several scrum teams share the scrum master. Developers of multiple teams approach the scrum master, because they need fulltime commitment from the same technical specialist for the next sprint. What should the scrum master consider for the response to this problem? Choose the two best answers.
- A. The need for a stable velocity
- B. The ability of the scrum teams to produce integrated increments
- C. The need to have all developers busy with work
- D. The benefit of the teams figuring it out theirselves
Answer: B,D
Explanation:
The working increment is the goal of the sprint and should be kept in mind. The self-managing aspect of the teams is also crucial to take in mind. Stable velocity and optimally used developers are not the scrum master's concern.
NEW QUESTION 65
When does the development team show their work to the product owner?
- A. All of these
- B. During the sprint review
- C. Anytime the developers need feedback from the product owner
- D. Whenever the product owner asks
Answer: A
Explanation:
All of these would good moments to update the PO with the work done.
NEW QUESTION 66
The purpose of a sprint is to produce a done increment of product
- A. True
- B. False
Answer: A
Explanation:
The sprint is the heartbeat of scrum, during the sprint the increment is created. The increment must be usable and all the work that's part of the increment should adhere to the definition of done.
NEW QUESTION 67
When a continuous integration build fails, who should fix it?
- A. The tester responsible for validating builds
- B. The person who broke the build
- C. The person who is responsible for configuration management within the team
- D. The next person who needs the build to complete successfully
Answer: B
Explanation:
The build should be fixed asap, the first person to notice is the person who broke it. This person usually best understands why and is therefore the best person to fix it.
NEW QUESTION 68
What are two responsibilities of testers in the scrum team? (choose two)
- A. Verifying the work of the programmers
- B. All developers are responsible for quality
- C. Tracking quality metrics
- D. Scrum has no tester role
- E. Finding bugs
Answer: B,D
Explanation:
Specific roles don't exist in scrum, developers are creating the value.
NEW QUESTION 69
What are the developers responsible for? (choose two)
- A. Organizing work required to meet the sprint goal
- B. Reporting productivity
- C. Selecting the product owner
- D. Resolving conflicts amongst the developers
Answer: A,D
Explanation:
They are concerned with everything that needs to happen to create a working increment. And they are self-managing, so resolving conflicts is something they should arrange as well.
NEW QUESTION 70
You are asked to refactor part of the codebase for an application. When you are done, all unit tests pass with 50% code coverage. What can you infer from this?
- A. At least 50% of the application is working correctly
- B. You did not break any of the unit tests that already existed
- C. There are no bugs in the application
- D. Less than 50% of the application is working correctly
Answer: B
Explanation:
You can't really say anything because you don't know what the unit tests are testing and whether they are correctly representing whether the application is working correctly. However, if all the tests passes you didn't break any already existing tests. Also, if none tests existed yet, you did not break them.
NEW QUESTION 71
What is technical debt?
- A. A term representing the eventual consequences of poor technical choices
- B. Code that hasn't been documented
- C. Developers that have to pay college debt
- D. The money an organization owes to tool and hardware vendors
Answer: A
Explanation:
Technical debt is the result of incomplete work going into the increment and poor design and architectural choices.
NEW QUESTION 72
When might a sprint be cancelled?
- A. Never, the sprint must always be finished.
- B. When the developers feel they aren't ready
- C. When the sprint goal becomes obsolete
- D. When the project manager decides this.
Answer: C
Explanation:
The product owner can cancel the sprint if the sprint goal becomes obsolete. This is a very rare event. It can happen when a company losing a client or the client decides to take a completely different turn.
NEW QUESTION 73
The practice of decomposing a requirement into failing tests is called:
- A. Scrum testing
- B. Regression testing
- C. Behavior driven development
- D. Acceptance test driven development
Answer: D
Explanation:
In ATDD you start with writing tests to represent the requirement. Since you start with this, there is no production code to satisfy the test which is why the tests will fail.
NEW QUESTION 74
Which three describe TDD?
- A. An incremental and emergent approach to software design
- B. A software development technique based on automated tests
- C. Having testers involved in the development process
- D. Creating a manual test script before writing code
- E. A predictable way to develop working well-organized code
Answer: A,B,E
Explanation:
TDD stands for test driven development. It makes developers think before starting to code. This leads to better organized code. It requires the developer to write the code for the test first, this means that it's based on automated tests. There are no testers in scrum, they are called developers as well.
NEW QUESTION 75
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