How can you define external task in your project. Note: there are 2 correct answers for this question

Resources

How can you define external task in your project. Note: there are 2 correct answers for this question.
A . Assign a purchase order for external processing to the project definition.
B . Create an external activity in a network.
C . Create a service milestone.
D . Create a service activity in a network.

Answer: B,D