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Question #1

Scenario B: Six Team Nexus with complex dependencies

A six team Nexus is developing a complex product, with different parts of the product that only certain Scrum Teams can work on. In fact, there are some highly specialized individuals outside the Nexus that are required for some of the work. In past Sprints the Nexus encountered challenges dealing with the many dependencies between Scrum Teams.

Which of the following practices could this Nexus try in order to conduct Nexus Sprint Planning more effectively? (choose the best two answers)

A . Ensure all Scrum Teams and outside experts are available during the Nexus Sprint Planning event and have a way of quickly communicating with each other. They should try to be together in the same room or use technology that makes it seem as if they are in the same room.
B . Plan one Scrum Team’s Sprint at a time before moving on to the next team. This way you can account for time zone differences and can communicate dependencies across all teams.
C . Have the Nexus Integration Team select the work for each of the individual Scrum Teams. This allows the Nexus Integration Team to control the dependencies.
D . Visualize the known dependencies in the Product Backlog for all to see. As Scrum Teams select work for the Sprint, they can easily check for any dependent work and communicate with other teams.

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Question #2

Scenario B: Six Team Nexus with complex dependencies

A six team Nexus is developing a complex product, with different parts of the product that only certain Scrum Teams can work on. In fact, there are some highly specialized individuals outside the Nexus that are required for some of the work. In past Sprints the Nexus encountered challenges dealing with the many dependencies between Scrum Teams.

Some individual Scrum Teams in this Nexus have said that they do not see how the work they are doing is contributing to the product’s progress.

What is the best remedy for this situation?

(choose the best answer)

A . During Nexus Sprint Planning, have all the teams plan the Sprint together in one room, so they can see what other teams are working on.
B . During Nexus Sprint Planning, ensure that all Scrum Teams understand the Nexus Sprint Goal.
C . Ask the Scrum Master to explain to the teams that the Product Owner can choose which features to work on, as she has the final say.
D . During Nexus Sprint Planning, ask each Scrum Team to create a Sprint Goal that describes the purpose of the Sprint.

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Question #3

The purpose of the Nexus Sprint Backlog is: (choose the best two answers)

A . To make the work of the Nexus Integration Team transparent.
B . To provide a view of dependent Product Backlog items in a Sprint.
C . To visualize all Product Backlog items.
D . To make dependencies transparent to the Scrum Teams.

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Question #4

True or False: All Scrum Team members must attend the Nexus Daily Scrum.

A . True
B . False

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Question #5

Which statements are true regarding using Scrum for large-scale product delivery? (choose the best two answers)

A . Splitting a team member’s time between multiple Scrum Teams is often less productive than focusing that team member on a single team’s Sprint Backlog.
B . Scrum requires all team members work full time on a single team.
C . Changes to the core Scrum framework are needed to be successful with Scrum at large-scale.
D . A well-structured and refined Product Backlog can minimize and often eliminate dependencies between multiple Scrum Teams working together on a product during a Sprint.

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Question #6

A Nexus Daily Scrum: (choose the best two answers)

A . Provides a single meeting where all Scrum Teams can update the Sprint Backlog.
B . Is the same as a Scrum-of-Scrums.
C . Provides input into each Scrum Team’s individual Daily Scrums to help them better plan their days work.
D . Is only for the Nexus Integration Team to plan their work for the next 24-hours.
E . Is an opportunity to make integration issues transparent.

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Question #7

Four teams in a Nexus typically integrate their work only once, late in the Sprint. The teams report that it takes many hours or days to integrate their work, which delays the Sprint’s end.

To address this issue, which of the following would help? (choose the best answer)

A . Integrating more frequently.
B . Doing more acceptance testing.
C . Doing more exploratory testing.
D . Using Behavior-Driven Development.
E . Investing in more Requirements Traceability.
F . All of the above.

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Correct Answer: A
A

Explanation:

The best answer for this question is A. Integrating more frequently. This answer is correct because integrating more frequently can help the Scrum Teams in a Nexus to detect and resolve integration issues or dependencies earlier and faster, and to deliver a potentially releasable product increment at the end of each Sprint. Integrating more frequently can also reduce the complexity and risk of integration, and increase the quality and feedback of value delivery 112233.

The other answers are not correct for the following reasons:

B. Doing more acceptance testing. This answer is not sufficient because doing more acceptance testing does not address the root cause of the problem, which is the late integration of the work. Acceptance testing can help to verify the quality and functionality of the product increment, but it does not ensure that the integration is done early and often. Moreover, doing more acceptance testing may consume more time and resources, and delay the delivery of the product increment 44. C. Doing more exploratory testing. This answer is not helpful because doing more exploratory testing does not solve the issue of the late integration of the work. Exploratory testing can help to discover and learn more about the product increment, but it does not guarantee that the integration is done smoothly and quickly. Furthermore, doing more exploratory testing may introduce more uncertainty and variability, and hinder the delivery of the product increment 55.

D. Using Behavior-Driven Development. This answer is not relevant because using Behavior-Driven Development does not directly affect the integration of the work. Behavior-Driven Development is a technique that can help to define and communicate the expected behavior and outcomes of the product increment, but it does not ensure that the integration is done frequently and effectively. Additionally, using Behavior-Driven Development may require more collaboration and coordination, and complicate the delivery of the product increment [6].

E. Investing in more Requirements Traceability. This answer is not useful because investing in more Requirements Traceability does not improve the integration of the work. Requirements Traceability is a practice that can help to track and document the origin and evolution of the product requirements, but it does not ensure that the integration is done timely and efficiently. Also, investing in more Requirements Traceability may increase the overhead and bureaucracy, and slow down the delivery of the product increment [7].

F. All of the above. This answer is not correct because none of the above answers are effective for addressing the issue of the late integration of the work. As explained above, each of the above answers has its own limitations and drawbacks, and does not directly or sufficiently help the Scrum Teams in a Nexus to integrate their work more frequently and successfully. Therefore, the best answer is

Question #8

During Cross-Team Refinement, the ordered Product Backlog (1 through 9) is mapped out so the Nexus can visualize dependencies. For example, PBI 5 for Team Orange is dependent on Team Red completing PBI 1.

All else being equal, which PBI is most concerning? (choose the best answer)

A . PBI 2, because it has the most dependencies.
B . PBI 1, because it is on the top of the Product Backlog.
C . PBI 1, because it is the first piece of work with a dependency.
D . PBI 2, because there is a dependency with a different team on work that occurs within the same Sprint.

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Question #8

During Cross-Team Refinement, the ordered Product Backlog (1 through 9) is mapped out so the Nexus can visualize dependencies. For example, PBI 5 for Team Orange is dependent on Team Red completing PBI 1.

All else being equal, which PBI is most concerning? (choose the best answer)

A . PBI 2, because it has the most dependencies.
B . PBI 1, because it is on the top of the Product Backlog.
C . PBI 1, because it is the first piece of work with a dependency.
D . PBI 2, because there is a dependency with a different team on work that occurs within the same Sprint.

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Question #10

Scenario A: Nexus Sprint Review with Five Scrum Teams

There are five Scrum Teams working on a product. During the Nexus Sprint Review, the teams present the results of the Sprint. After introductions, each team takes time to present their work for inspection by individually showing the new features they have built. They are not using a shared environment. The stakeholders do not provide much feedback. The event ends and people filter out of the room.

Since teams are not using a shared environment, what is likely? (choose the best two answers)

A . The Sprint is too short.
B . The Nexus has not yet reached the integration phase.
C . There is no single Integrated Increment.
D . The Nexus Integration Team is lacking or nonexistent.

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