What are the three functions of the delivery audit in Adobe campaign? (Choose three.)

What should a Practitioner use to add recipients by using the Adobe Campaign client?

A workflow including a scheduler with a recurring frequency contains a regular delivery step. What is the result?

A practitioner has created an approval activity in a workflow. The multiple approval option is selected. The approval activity is assigned to a group of two operators. One of the operators approves the request and the other rejects.
Which branch of the approval activity is run?

What is the required to create a predefined filter?