can be located at selected management points above the level of the work package.

Milestones are mandatory both according to project requirements and contractual requirements.
Milestones are both mandatory and optional.56. All of the following statements are correct except: Dummy activities are not actually planned activities and have no work contentDuration of dummy activities is given a value of 0 when performing progress network analysis. Dummy activities are used in ON because they have only FS dependencies.