The prime responsibilities of a Scrum Master are:
* Removes the obstacles/impediments that affect productivity.
* Shields the people from external disturbance.
* Responsible if the scrum process is correctly applied.
* Facilitate daily stand-ups, other ceremonies, schedule meetings, demo and other meetings.
* Help product owner in prioritizing the backlog and any feedback from the team.
* Facilitation of Retrospective meetings
* Workshops for planning, estimation, prioritization, issue resolution, performance improvements Reference: https://www.knowledgehut.com/interview-questions/scrum