What is the main difference between automation rules and segmentation rules?

A . Segmentation rules do not run retroactively
B . Automation rules do run retroactively
C . Automation rules run continuously; segmentation rules run once.
D . Neither will "unmatched" prospects

Answer: C

Explanation:

Automation rules and segmentation rules are both types of Marketing Cloud Account Engagement automation that allow you to perform actions based on criteria. However, the main difference between them is that automation rules run continuously and segmentation rules run once. Automation rules are always on and listening for changes or activity, and they can apply actions to prospects that match the criteria now or in the future. Segmentation rules are designed to pull a one-time list of prospects, then apply the set actions, such as adding them to a list or a Salesforce campaign. Once run, segmentation rules have to be copied to run again