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NEW QUESTION 25
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 26
What would not be considered refactoring?
- A. Changing external interfaces or APIs
- B. Reordering method parameters to improve readability
- C. Extracting methods
- D. Renaming things to be more logical
- E. Extracting interfaces
Answer: A
Explanation:
Refactoring is only about the own code, so not about changing an external interface or api.
NEW QUESTION 27
Your team is one of seven teams working on a product. All teams use the same version control system. Which is the best approach to deliver high-quality increments?
- A. There is one automated build for all teams
- B. Each team's automated build is integrated toward the end of the sprint
- C. Each team should have its own automated build
- D. Developers should perform a combination of local and private builds
Answer: A
Explanation:
This way there are no surprises near the end of the sprint or during delivery and the increment will be most stable as possible.
NEW QUESTION 28
Database design must be complete before coding starts to ensure a solid foundation
- A. False
- B. True
Answer: A
Explanation:
The design grows as more is learnt.
NEW QUESTION 29
Which of the following describes an architecture spike?
- A. A fundamental architectural problem found in an existing application
- B. A decision made by a systems architect to settle disagreement amongst the developers
- C. A small development activity to learn about technical elements of a proposed solution
- D. The result of an exhaustive architectural planning effort
Answer: C
Explanation:
An architecture spike is a small development activity to learn about technical elements of a proposed solution.
NEW QUESTION 30
What activities would a Product Owner typically undertake in the phase between the end of the current sprint and the start of the next sprint?
- A. Work with the QA departments on the increment of the current sprint
- B. Refine the backlog
- C. Update the project plan with stakeholders
- D. There are no such activities. The next sprint starts immediately after the current sprint
Answer: D
Explanation:
There is no time in between sprints, so there cannot be activities.
NEW QUESTION 31
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 32
What is an integration test?
- A. A test of a single unit of functionality
- B. A test that runs during a continuous integration build
- C. A test of the user interface
- D. A test of multiple units of functionality
Answer: D
Explanation:
An integration test is a test of multiple units of functionality.
NEW QUESTION 33
In software development DRY refers to:
- A. Code with minimal duplication
- B. Code that has not been peer reviewed (yet)
- C. Code with low cyclomatic complexity
- D. Code that has been peer reviewed
Answer: A
Explanation:
DRY, don't repeat yourself
NEW QUESTION 34
What is the commitment for the sprint backlog?
- A. Product goal
- B. Sprint planning outcome
- C. Sprint goal
- D. Definition of done
Answer: C
Explanation:
If you are not sure, please review the section scrum artifacts in the scrum guide.
NEW QUESTION 35
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 36
Only technical writers can create documentation during a sprint
- A. False
- B. True
Answer: A
Explanation:
Work that's part of the sprint is done by the developers, scrum doesn't have specific roles
NEW QUESTION 37
Which three of the following are code quality metrics?
- A. Cyclomatic complexity
- B. Number of check-ins per day
- C. Class coupling
- D. Depth of inheritance
- E. Unit tests per class
- F. Cycle time per product backlog item
Answer: A,C,D
Explanation:
Number of checkins per day says something about whether the developers are committing often enough. Depth of inheritance says some about complexiity, just like class coupling and cyclomatic complexity. Unit tests per class don't say anything about quality, though no unit tests might indicate a maintenance problem. Cycle time per product backlog item says something about the scrum process.
NEW QUESTION 38
The developers should have all the skills needed to:
- A. Complete the work in the within the foreseen time and costs
- B. Create a potentially releasable increment from the product backlog items
- C. Do all the work except for deployment
Answer: B
Explanation:
Developers are cross-functional, this means that they have all the skills necessary to create value each sprint.
NEW QUESTION 39
Who must attend the daily scrum? Choose all that apply.
- A. Everyone invited by the product owner
- B. The developers
- C. It is optional, no one has to attend
- D. The product owner
- E. The scrum master
- F. The manager of the IT department
Answer: B
Explanation:
The scrum guide says: "The Daily Scrum is a 15-minute event for the Developers of the Scrum Team. "
NEW QUESTION 40
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 41
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