When multiple teams work together on the same product, each team should maintain a separate Product Backlog.
What is a Scrum Master?
A scrum master is the scrum team member tasked with fostering an effective and productive working environment and guiding others to understand scrum values, principles and practices. Scrum masters tend to be people-oriented, have a high level of emotional intelligence, and find joy in helping team members to grow.
Master2Teach YouTube Channel
In this YouTube Channel, you can find different kind of useful tutorials related to information technologies.