68. A Scrum Master's role includes... (i) Acting as a buffer between the team and external distractions (ii) Maintaining the relationship between the team and the customer (iii) Facilitating interactions between their team and other teams (iv) Helping the team to reach consensus for what can be achieved during a specific period of time a. i) and (iv) b. ii) and (ii) (ii), (iii), and (iv) (i), (ii), (iii), (iv) d. 69. Which of the following are questions asked at daily scrums? (i) Who are your team leaders? (ii) Are there any impediments? (iii) What have you done since yesterday? iv) What are you planning to do today? a. (i and ii)