Correct Answer:

When many Development Teams are working on a single product, there must beone shared Definition of Done (DoD)that applies toall teamsand tothe entire product Increment.
Single, Shared Definition of Done
Scrum requires that each Increment beusable and potentially releasable. When multiple teams contribute to one product, this means:
* There isone product, not multiple team products,
* There must therefore beone Definition of Donethat ensures consistency, quality, and transparency across all teams.
Having different Definitions of Done per team would result in:
* Inconsistent quality,
* Integration problems,
* Loss of transparency,
* Increments that are "Done" in isolation but not at the product level.
Integrated Increment-Level Definition of Done
The shared Definition of Done must includeintegration criteria, ensuring that:
* Work from all teams is integrated,
* The combined Increment meets quality and compliance standards,
* The product can be inspected and potentially released.
In scaled Scrum (e.g., Nexus), unintegrated work is explicitlynot considered Done, regardless of whether individual teams believe their work is complete.
Ownership and Evolution
While Developers collectively create and adhere to the Definition of Done, it applies at theproduct level, not the team level. As the product and organization mature, the Definition of Done may beexpanded, but it must always remain shared and transparent.

Correct Answer:

A distant Product Owner represents arisk to value delivery, transparency, and empiricism. While the Product Owner has provided a Product Backlog for the Sprint, lack of collaboration during the Sprint undermines learning and informed decision-making. As a Scrum Master, the focus should be oncoaching, enabling collaboration, and addressing systemic impediments, not substituting for the Product Owner.
1. Make the Impact Transparent
The Scrum Master should help make the impact of the Product Owner's absencevisible:
* Reduced ability to clarify Product Backlog Items,
* Slower decision-making when discoveries occur,
* Increased risk to the Sprint Goal and product value.
This transparency should be established through respectful conversations with the Product Owner and, if needed, through Scrum events such as the Sprint Retrospective.
2. Coach the Product Owner on Accountability
The Scrum Guide states that the Product Owner is accountable formaximizing valueandProduct Backlog management, which requires ongoing collaboration with Developers. The Scrum Master should coach the Product Owner to understand that handing over a backlog at Sprint Planning isnot sufficientand that availability during the Sprint is essential for empiricism.
3. Enable Better Collaboration Without Replacing the Product Owner
The Scrum Master should help create opportunities for collaboration, such as:
* Encouraging regular clarification moments during the Sprint,
* Improving Product Backlog refinement so fewer questions remain unanswered,
* Helping Developers prepare focused questions to use limited Product Owner availability effectively.
However, the Scrum Master mustnot take over Product Owner responsibilities, as this would blur accountabilities.
4. Address Organizational Causes
If the Product Owner's distance is due to workload, role confusion, or organizational pressure, this becomes an organizational impediment. The Scrum Master should raise this issue with leadership and help the organization understand the risk of an unavailable Product Owner to product outcomes.

Correct Answer:

When multiple Scrum Teams work together on a single product usingScrum Nexus, managing dependencies and ensuring effective integration are critical to delivering a usable Increment each Sprint. Scrum Nexus extends Scrum by explicitly addressing the complexity that arises from multiple teams working on the same product.
First,dependencies between teams should be minimized. Dependencies reduce autonomy, slow feedback, and increase risk. In Nexus, Product Backlog Items should be ordered and refined in such a way that work with strong dependencies is keptwithin a single team whenever possible. This supports cross-functionality at the team level and reduces the coordination overhead required between teams.
Second, when dependencies cannot be avoided, they must be madetransparent and actively managed. The Nexus framework encourages early identification of dependencies during Nexus Sprint Planning so that teams can coordinate their work effectively. However, the goal remains to continuously reduce dependencies over time through better backlog ordering, architecture improvements, and skill broadening.
Third,integration of work is vital and takes precedence over completing all planned work. In Scrum Nexus, an Increment is only considered "Done" when the work of all teams is fully integrated and meets the shared Definition of Done. Unintegrated work, even if technically complete by an individual team, does not provide value and increases risk.
Fourth, integration must occurearly and often during the Sprint, not only at the end. Continuous integration helps uncover issues sooner, supports frequent inspection, and enables timely adaptation. Delaying integration increases the likelihood of defects, rework, and failure to produce a usable Increment.