[Jul 16, 2025] 100% Latest Most updated PSD Questions and Answers [Q97-Q119]

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[Jul 16, 2025] 100% Latest Most updated PSD Questions and Answers

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Scrum PSD, or Professional Scrum Developer, is an exam designed to test the knowledge and skills of individuals in the field of software development. Professional Scrum Developer certification is aimed at developers who are familiar with Scrum practices and are interested in improving their technical skills. It is an advanced certification that requires a deep understanding of Scrum principles and practices.

Q97. True or False: User Stories are required in the Product Backlog.

True

False

Detailed Explanation: User Stories are not required in the Product Backlog as per the Scrum Guide. The Product Backlog is a collection of all work to be done on the product, and it can include a variety of formats, such as tasks, features, and technical requirements, not just user stories.

Q98. Which two ways of creating scrum teams are consistent with scrum values?

Managers assign individuals to teams

Get all the people together and let them self-manage into new teams

Scrum master chooses a few team leads that get to pick their team

The chief product owner divides the group in teams to make sure the teams will be cross-functional

Existing teams propose how they would like to go about organizing into new teams

There is no chief product owner. Self managing is a really important aspect of scrum, therefore the options where the people theirselves are in the lead are the best options.

Q99. True or False: Best Practices are recommended to solve complex problems.

True

False

Detailed Explanation: Best practices are based on past experiences and may not apply to complex, unpredictable problems. Empirical approaches and experimentation are better suited to such challenges.

Q100. Scrum demands code review

True

False

There are no concrete development guidelines demanded by scrum, even though code review is an excellent idea. Scrum is also not only about developing software.

Q101. The increment must be released at the end of the sprint

True

False

It should be a working increment, but it’s not mandatory to release it.

Q102. Which three of the following are code quality metrics?

Unit tests per class

Cycle time per product backlog item

Number of check-ins per day

Depth of inheritance

Cyclomatic complexity

Class coupling

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.

Q103. Which are obligatory scrum events?

sprint retrospective

sprint goal meeting

backlog refinement

sprint planning

sprint review

daily scrum

If you are not sure, please review the Scrum events section in the scrum guide

Q104. What is the step to take in TDD after the tests have failed?

Meet with the team to see why it fails

Change the test in a way that is passes

Run it again to verify it fails.

Write the code to satisfy the test

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.

Q105. What is a sprint burn down chart?

Visual representation of work that is still to do and time that is left

A chart showing progress towards the product goal

A chart that shows whether bugs came up

Visual representation of the product backlog items left

Q106. The goal of the daily scrum is inspecting the progress toward the sprint goal and producing an actionable plan for the next day of work

False

True

If you are not sure, review the daily scrum section in the scrum guide.

Q107. Who is responsible for the sizing / estimate of the product backlog?

Scrum team

The product owner

Developers

The scrum master lets them know whether they need to be preset

The scrum guide says: “The Developers who will be doing the work are responsible for the sizing. The Product Owner may influence the Developers by helping them understand and select trade-offs.”

Q108. The practice of decomposing a requirement into failing tests is called:

Behavior driven development

Scrum testing

Regression testing

Acceptance test driven development

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.

Q109. Why does a test written using TDD always fail?

Because testers are terrible coders

Because the tests are checked in before the code exists

Because the product code to satisfy the test doesn’t exist yet

Because the test needs to be refactored

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.

Q110. What are two reasons to use mock objects in unit tests?

The behavior of a given object can be emulated to the system under test

They are machine-generated and eliminate the need to write code by hand

To increase tight coupling

TDD is impossible without them

Isolating a particular system component for controlled testing

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.

Q111. Which three of the following are code quality metrics?

Unit tests per class

Cycle time per product backlog item

Number of check-ins per day

Depth of inheritance

Cyclomatic complexity

Class coupling

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.

Q112. What is code coverage? (choose the best answer)

The degree to which the system under test has been exercised by tests.

The number of Developers that understand how the code works.

An insurance policy that covers the code for defects.

The percentage of code in version control included in a build.

Detailed Explanation: Code coverage measures the percentage of code executed during testing. It helps identify untested parts of a codebase, ensuring better quality and fewer defects.

Q113. Which statement best describes a product owner’s responsibility?

Keeping stakeholders at bay

Optimizing the value of the developers’ work

Managing the project and ensuring the work gets done in line with the requirements

Directing the developers

Product owner is value optimizer. Of the product, which emerges by the work of the developers.

Q114. What is not a desirable characteristics of a unit test?
Test code is as small as possible

Execution is fast

Independent of others

Includes exercising the persistence layer

Makes assertions about only one logical concept

you don’t want your unit test to really make changes so it cannot exercise the real persistence layer.

Q115. What is a merge in a version control system?

Identifying a particular codebase as ready for distribution

Combining two or more versions of code into a single codebase

Copying a portion of a codebase to isolate it from the original codebase

Two or more developers working together to ensure proper coding and configuration management

Merging means combining two different versions of the code into one version.

Q116. What event is timeboxed?

Sprint retrospective

Sprint

Daily Scrum

All of these

Sprint planning

Sprint review

Q117. When a continuous integration build fails, who should fix it?

The person who is responsible for configuration management within the team

The person who broke the build

The tester responsible for validating builds

The next person who needs the build to complete successfully

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.

Q118. Database design must be complete before coding starts to ensure a solid foundation

False

True

The design grows as more is learnt.

Q119. What relation does scrum have to development practices?

Scrum requires a specific set of development practices

Scrum is complemented by good development practices

Scrum requires all development practices

Scrum has no relationship to development practices

Scrum requires no development practices, but good development practices do help and make scrum more successful.

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Scrum PSD certification is designed for software developers who want to gain a deeper understanding of Scrum methodology and build up their skills in software development. The program teaches participants how to use Scrum principles to develop high-quality software products that meet the needs of stakeholders. Participants learn how to work as a team to increase productivity, improve project quality, and deliver value to customers.

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