How can a DevOps Engineer limit access to certain pages in the AEM Publish instance?

How can a DevOps Engineer limit access to certain pages in the AEM Publish instance?
A . Use the security features of Adobe Drive
B . Use Access Control Lists for the authors
C . Use Closed User Groups (CUGs)
D . Use the AEM External Login Module

Answer: C

Explanation:

Reference: https://docs.adobe.com/content/help/en/experience-manager-learn/assets/collaboration/closed-user-groups-feature-video-use.html