Your question is Influencing Without Direct Authority. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How do you influence cross-functional teams that do not report to you directly to meet tight project deadlines?
Explain how you build alignment, clarify ownership, manage competing priorities, and respond when stakeholders disagree or commitments slip. Use a specific example and describe your actions, the outcome, and what you learned.