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NEW QUESTION 37
When should a newly discovered huge bug of a previous sprint be fixed?
- A. Don't fix it, but stub out the code that causes it.
- B. Immediately.
- C. Depends on what the product owner wants.
- D. Don't fix it immediately, but change the test to not show it as a temporary fix.
Answer: C
Explanation:
Hiding the bug won't make it go away. Discussing with the product owner is a good step to take, because he knows what work leads to maximum value.
NEW QUESTION 38
Who creates documentation included with a working increment?
- A. Scrum requires no documentation
- B. Scrum master
- C. Developers
- D. Product owner
- E. Technical writers
Answer: C
Explanation:
It is part of the increment, so it is part of the work of the developers.
NEW QUESTION 39
Who must attend the daily scrum? Choose all that apply.
- A. The manager of the IT department
- B. Everyone invited by the product owner
- C. It is optional, no one has to attend
- D. The product owner
- E. The developers
- F. The scrum master
Answer: E
Explanation:
The scrum guide says: "The Daily Scrum is a 15-minute event for the Developers of the Scrum Team. "
NEW QUESTION 40
What is the role of modeling in scrum teams?
- A. Models are not used by agile teams
- B. Modeling may be useful to increase shared understanding
- C. Models are assembly instructions for the developers
- D. Models are maintained along with the software as it emerges
Answer: B
Explanation:
Models are in no way mandatory, however their value as increasing shared language is acknowledged.
NEW QUESTION 41
The right time to refactor code using TDD is
- A. When I can see the debt building in the code
- B. When preparing legacy code for unit tests
- C. After the tests passes
- D. After the tests fails
Answer: C
Explanation:
You should refactor as soon as possible, but before the tests passes it cannot be refactored, because then it is not esatablished just yet. So it would still be part of the first version if changes would be made then.
NEW QUESTION 42
What is a mock object?
- A. Mocks, stubs, dummies, fakes and shims are all the same
- B. A test object that mimics the behavior of a dependency in the system under test
- C. A mock helps you create a build script
- D. A mock is a way to initialize the database for testing
Answer: B
NEW QUESTION 43
Which are two benefits of establishing naming conventions for code?
- A. To make the code more readable
- B. To communicate the identity of the developer that wrote the code
- C. To make it easy to distinguish between different software products
- D. To reduce friction in a shared codebase
- E. To ensure that orphan functions are not created
Answer: A,B
Explanation:
Naming conventions help to make the code more readable and it can reduce naming clashes.
NEW QUESTION 44
What is a merge in a version control system?
- A. Identifying a particular codebase as ready for distribution
- B. Combining two or more versions of code into a single codebase
- C. Copying a portion of a codebase to isolate it from the original codebase
- D. Two or more developers working together to ensure proper coding and configuration management
Answer: B
Explanation:
Merging means combining two different versions of the code into one version.
NEW QUESTION 45
What two things should the developers not do?
- A. Creating a plan for the entire project
- B. Work together and self manage to create value
- C. Design the full architecture before starting
- D. Create a potentially shippable functionality in the sprint
Answer: A,C
Explanation:
Architecture emerges in scrum during the adding of functionality. The plan for the rest of the project cannot be made by the developers, they should just focus on their sprint.
NEW QUESTION 46
Why might a scrum team choose to do pair programming?
- A. Efficiency
- B. Information sharing and learning
- C. It is a nice way to work
- D. All of these
- E. Improving code quality
Answer: D
Explanation:
Pair programming means that two developers are coding together and performing live peer review. This will enhance the effectivity as it leads to increased code quality. Regardless of your opinion, when answering Question:s about pair programming, know that it's considered a really good practice for PSD. And in case you are wondering, the instructor of the course is also a big fan.
NEW QUESTION 47
Which output from sprint planning provides the developers with a target and overarching direction for the sprint?
- A. Sprint review minutes
- B. The sprint backlog
- C. The product goal
- D. The Sprint goal
Answer: D
Explanation:
Review the scrum guide section sprint planning if this is still an uncertainty for you.
NEW QUESTION 48
Only technical writers can create documentation during a sprint
- A. True
- B. False
Answer: B
Explanation:
Work that's part of the sprint is done by the developers, scrum doesn't have specific roles
NEW QUESTION 49
What is pair programming?
- A. Two programmers writing code separately, but always review each other's pull requests
- B. Developer and tester work together to write and test code
- C. Managers doing performance reviews by comparing one programmer's code to another's
- D. Two developers writing code together, providing constant peer review
Answer: C
Explanation:
Pair programming means that two developers are coding together and performing live peer review. This will enhance the affectivity as it leads to increased code quality.
NEW QUESTION 50
Which three describe TDD?
- A. An incremental and emergent approach to software design
- B. A predictable way to develop working well-organized code
- C. Creating a manual test script before writing code
- D. Having testers involved in the development process
- E. A software development technique based on automated tests
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 51
The product owner determines how many product backlog items the developers select for the sprint in the sprint planning.
- A. True, if the developers have enough capacity
- B. False, the project manager does that
- C. True, in line with what was promised to the stakeholders
- D. True
- E. False, the scrum master does that
- F. False
Answer: F
Explanation:
It is false, the developers select the items, because they will have to commit to it.
NEW QUESTION 52
What is an integration test?
- A. A test that runs during a continuous integration build
- B. A test of the user interface
- C. A test of a single unit of functionality
- D. A test of multiple units of functionality
Answer: D
Explanation:
An integration test is a test of multiple units of functionality.
NEW QUESTION 53
What are two reasons to use mock objects in unit tests?
- A. The behavior of a given object can be emulated to the system under test
- B. TDD is impossible without them
- C. They are machine-generated and eliminate the need to write code by hand
- D. To increase tight coupling
- E. Isolating a particular system component for controlled testing
Answer: A,E
Explanation:
Mock objects are simulating the behavior of dependencies such as persistance layers or APIs. By mocking these you can be sure about what you are testing, and not accidentally testing the external dependency.
NEW QUESTION 54
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 benefit of the teams figuring it out theirselves
- B. The ability of the scrum teams to produce integrated increments
- C. The need for a stable velocity
- D. The need to have all developers busy with work
Answer: A,B
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 55
A scrum master is working with developers that are spread over different locations. They have a variety of meeting rooms and the daily scrum is a logistic struggle every day. What actions should the scrum master take?
- A. Allow the developers to self-manage and decide what to do their selves.
- B. Raise it as an impediment and make sure that management solves it.
- C. Decide the best solution and arrange a meeting to inform the developers.
- D. Create a schedule and alternate who is responsible for the daily scrum logistics
Answer: A
Explanation:
Self management is important. All the other options the scrum master takes a decision by himself, it is better if the solution comes from the development team.
NEW QUESTION 56
What are two responsibilities of testers in the scrum team? (choose two)
- A. Tracking quality metrics
- B. Verifying the work of the programmers
- C. Finding bugs
- D. All developers are responsible for quality
- E. Scrum has no tester role
Answer: D,E
Explanation:
Specific roles don't exist in scrum, developers are creating the value.
NEW QUESTION 57
When a continuous integration build fails, who should fix it?
- A. The tester responsible for validating builds
- B. The person who is responsible for configuration management within the team
- C. The person who broke the build
- D. The next person who needs the build to complete successfully
Answer: C
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 58
Which of the following describes an architecture spike?
- A. A small development activity to learn about technical elements of a proposed solution
- B. A decision made by a systems architect to settle disagreement amongst the developers
- C. A fundamental architectural problem found in an existing application
- D. The result of an exhaustive architectural planning effort
Answer: A
Explanation:
An architecture spike is a small development activity to learn about technical elements of a proposed solution.
NEW QUESTION 59
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