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Scrum framework is one of the most popular agile methodologies utilized by many organizations across the globe. It enables teams to deliver high-quality products within shorter periods, which is essential for the modern-day business world. As a result, there is an increased demand for Scrum professionals who have the skills and knowledge required to implement the methodology effectively. One of the ways to prove your expertise in Scrum development is by taking the Scrum Professional Scrum Developer (PSD) Exam.
NEW QUESTION # 94
What is the step to take in TDD after the tests have failed?
- A. Run it again to verify it fails.
- B. Change the test in a way that is passes
- C. Meet with the team to see why it fails
- D. Write the code to satisfy the test
Answer: D
Explanation:
In TDD you start with writing the test before the code. This test cannot pass. If it does, the test is wrong. When the tests are written, the production code to satisfy the test will be written. Once all the tests succeeds, the product code is done.
NEW QUESTION # 95
When do the developers participate in the product backlog refinement?
- A. Only during the refinement meetings planned by the PO
- B. Never, it is the sole responsibility of the Product owner to refine the backlog
- C. Only during the sprint planning
- D. Anytime during the sprint
Answer: D
Explanation:
There is no set time for product backlog refinement.
NEW QUESTION # 96
When are individuals with testing and quality expertise included in the software development effort? (choose the best answer)
- A. After Sprint Review.
- B. When the implementation of each feature is complete.
- C. When the product is feature complete.
- D. From the beginning and throughout all Sprints.
Answer: D
Explanation:
Detailed Explanation: Scrum emphasizes quality from the start. Testing and quality expertise are integral throughout all Sprints to ensure continuous feedback and integration of quality measures.
NEW QUESTION # 97
True or False: A high-performance Scrum Team ensures that each Increment is complete by running a Release Sprint.
- A. False
- B. True
Answer: A
Explanation:
Detailed Explanation: Scrum does not have a concept of a "Release Sprint." Each Sprint must result in a Done Increment, which may be released as required. The focus is on continuous delivery of value, not specific release cycles.
NEW QUESTION # 98
The increment must be released at the end of the sprint
- A. False
- B. True
Answer: A
Explanation:
It should be a working increment, but it's not mandatory to release it.
NEW QUESTION # 99
Who is responsible for the system architecture of a product developed using Scrum?
- A. The developers
- B. The architect chosen by the developers
- C. The assigned architect
- D. The architect chosen by the developers
Answer: A
Explanation:
Scrum doesn't know any other role than developer. The developers are cross-functional and have all the skills needed to create a usable increment. They are doing the work and responsible for the architecture.
NEW QUESTION # 100
What statement best describes the product backlog?
- A. It is an emergent, ordered list of what is needed to improve the product
- B. It is a list of all the requirements that will have to be added to the product
- C. It is mainly meant as inspiration for the sprint planning
- D. It is the diary of the product owner
Answer: A
Explanation:
It is not fixed, it is a live artifact that will grow and change as more is learnt. The product owner orders it by value.
NEW QUESTION # 101
What is an integration test?
- A. A test of the user interface
- B. A test of a single unit of functionality
- C. A test that runs during a continuous integration build
- D. A test of multiple units of functionality
Answer: D
Explanation:
An integration test is a test of multiple units of functionality.
NEW QUESTION # 102
Select three criteria for the definition of done
- A. Regression tests pass
- B. Acceptance tests pass
- C. Code review is done
- D. Code coverage 90%
- E. The product is released at the end of every sprint
Answer: A,B,C
Explanation:
Releasing the product at the end of the sprint doesn't relate to one item and when it's done. Code coverage does, but it's the worst criteria in this list, because it's a stimulus to write tests that cover a lot of lines rather than cover the functionality.
NEW QUESTION # 103
How much time will there be after a sprint before the next one starts?
- A. None, a new sprint starts immediately after the end of the previous one
- B. Enough to clean up lingering definition of done points
- C. Enough to deploy the increment and update the product backlog based on the outcome of the sprint review
- D. At most a week for a one-month sprint
Answer: A
Explanation:
The scrum guide says: "A new Sprint starts immediately after the conclusion of the previous Sprint."
NEW QUESTION # 104
What does code coverage show?
- A. The absence of defects in code
- B. The ratio of the number of tests to lines of code in the system being tested
- C. When a feature is done
- D. Code being exercised by tests
- E. The quality of unit tests being written
Answer: D
Explanation:
The ratio answer is wrong, because it doesn't say anything about the number of tests to lines of code, but it does say the percentage of lines of code that is being tested. Hence, the correct answer is code being exercised by tests.
NEW QUESTION # 105
What does a test written with TDD represent?
- A. Something that completes the test coverage of a system
- B. A bug
- C. A technical requirement that must be satisfied
- D. Great development practices
Answer: C
Explanation:
The test gets written first in TDD, after that, the production code will be written to satisfy the test.
NEW QUESTION # 106
During the sprint the developers realize that they have selected too many product backlog items. How should they go from there?
- A. Inform the product owner and the stakeholders during the sprint review
- B. Use a definition of done with lower standards to be able to finish all the work they committed to
- C. Outsource the work to another team
- D. As soon as they realize they should work with the product owner to remove some work while not endangering the sprint goal
Answer: D
Explanation:
Never should they reduce the DoD. They should be able to do the work their selves and therefore work with the product owner to reduce the scope. Since the product owner is responsible for maximizing value and making priorities, he is the go to person for matteres like this.
NEW QUESTION # 107
Which three describe TDD?
- A. Having testers involved in the development process
- B. A predictable way to develop working well-organized code
- C. Creating a manual test script before writing code
- D. An incremental and emergent approach to software design
- E. A software development technique based on automated tests
Answer: B,D,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 # 108
What are some disadvantages of code coverage as a measure for how well a system or product is tested? (three answers)
- A. It does not ensure that the most important or highest risk areas of the code are being exercised by tests
- B. It is too complicated to explain to management
- C. It only provides insights to programmers
- D. It does not measure usability
- E. It could create incentives to write tests that simply increase code coverage, rather than tests that find bugs without increasing code coverage
Answer: A,D,E
Explanation:
Not being able to explain to management should never be the reason to not do it. It doesn't only provide some data to programmers, the problem is that code coverage alone is not meaning a lot.
NEW QUESTION # 109
Who is responsible for engaging the stakeholders?
- A. The sales manager
- B. The product owner
- C. The business analyst
- D. The scrum master
- E. The developers
- F. The project manager
Answer: B
Explanation:
The product owner is responsible for engaging the stakeholders.
NEW QUESTION # 110
When does a Sprint conclude? (choose the best answer)
- A. When the Sprint Retrospective is complete.
- B. When all the tasks are completed by the Developers.
- C. When all Product Backlog items meet their Definition of Done.
- D. When the Product Owner decides enough has been delivered to meet the Sprint Goal.
Answer: A
Explanation:
Detailed Explanation: The Sprint officially concludes when the Sprint Retrospective is complete. This marks the end of the timebox, ensuring continuous improvement for the next Sprint.
NEW QUESTION # 111
How much time does Product backlog refinement take?
- A. As much as needed without endangering the Sprint goal
- B. 25% of the sprint capacity
- C. 10% of the senior developers
Answer: A
Explanation:
The refinement is very important and can take quite some time for that reason, however, it should not endanger the sprint goal.
NEW QUESTION # 112
How do you know that the developers are cross-functional?
- A. They never argue
- B. They do pair programming
- C. Developers have the combined skills to create a usable increment
- D. Every member can do every task
- E. They work with TDD
Answer: C
Explanation:
Cross-functional is on team level and not on individual level.
NEW QUESTION # 113
Choose three reasons why automated builds are important.
- A. The eliminate the need for build engineers
- B. They allow frequent validation and ensure the product remains in a potentially releasable state
- C. They clearly define the build process
- D. They ensure your product remains bug free
- E. They support Continuous Integration
Answer: B,C,E
Explanation:
Automated builds are making builds of the code after every change to the codebase. As soon as something breaks, the developers get informed. In order to automate it, the build process needs to be cleary defined.
They're a corner stone for CI.
NEW QUESTION # 114
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. There are no bugs in the application
- B. Less than 50% of the application is working correctly
- C. At least 50% of the application is working correctly
- D. You did not break any of the unit tests that already existed
Answer: D
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 # 115
Why does a test written using TDD always fail?
- A. Because testers are terrible coders
- B. Because the tests are checked in before the code exists
- C. Because the test needs to be refactored
- D. Because the product code to satisfy the test doesn't exist yet
Answer: D
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, the test fails because the code it's testing doesn't exist yet.
NEW QUESTION # 116
What is the commitment for the product backlog?
- A. Sprint goal
- B. Product goal
- C. Sprint planning outcome
- D. Definition of done
Answer: B
Explanation:
If you are not sure, please review the section scrum artifacts in the scrum guide.
NEW QUESTION # 117
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