Through questions like this, interviewers are mostly trying to test your skillset (and its relevance to the role) as robustly as possible, so be prepared for multiple offshoots and followups. It could be a useful exercise to do mocks with friends or colleagues in Deliveroo to get a real sense of what the interview is actually like. Alternatively Prepfully has a ton of Deliveroo Engineering Manager experts who provide mock interviews for a pretty reasonable amount. prepfully.com/practice-interviews
There are four parts, Agile is one, make sure teams have proper support in the form of Scrum masters and Product Owners. Use a Maturity Index/ladder to improve the teams, make sure there is a good career path and balance of teams for test - ie a QE in each team and Test managers across teams. Lastly a good Continuous Integration framework/pipeline and people to support that
As an Amazon employee who interviewed and hired a lot of people here, I've created a guide that has all the questions and winning answers from an Amazonian recruiter perspective. Please check it out at interviewjoy.com/services/interview-process-details/amazon-senior-manager-interview-questions/
When given negative feedback, I would try to understand the perspective in which this feedback is given and ask the person giving feedback to suggest steps to address the issues or shortcomings. When giving feedback, I make sure they are continuous and transparent and presented in a positive and constuctive manner so as to help the individual see what is amiss and how to address the shortcomings.