Explanation/Reference:
Explanation:
Risk activities are not part of the schedule data. Risk is documented in the risk register, and monitored and controlled throughout the project. In some instances, risk may be part of the activity attributes. The schedule data includes the schedule milestones, schedule activities, activity attributes, and the assumptions and constraints. The schedule data includes the schedule activities, schedule milestones, activity attributes, and documentation of all known assumptions and constraints. The sum of additional data varies by application area. The schedule data commonly supplied as supporting details includes:
Resource requirement by time period, frequently in the category of histogram

Alternative schedules, such as best case or worst case, or resource leveled, with or without imposed

dates
Scheduling of contingency reserves

Incorrect Answers:
B: Schedule activities are part of the schedule data.
C: Activity attributes are part of the schedule data.
D: Schedule milestones are part of the schedule data. a