What would be two boundaries, defined in Scrum, that give guidance for teams to effectively self-organize? (Choose two.)

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What would be two boundaries, defined in Scrum, that give guidance for teams to effectively self-organize? (Choose two.)

A. Timeboxing the events in Scrum to allow for regular inspection and adaptation creating opportunities to adjust course in any given path.
B. Clearly defined functional teams within the Development Team to define handoff phases during development.
C. Creating an integrated and potentially shippable Increment by the end of each Sprint.
D. Having a mixture of different levels of skills and experience to promote domain knowledge sharing.