You have a Microsoft 365 tenant and an Azure Active Directory (Azure AD) tenant named contoso.com. You plan to grant three users named User1, User2, and User3 access to a temporary Microsoft SharePoint document library named Library1. You need to create groups for the users. The solution must ensure that the groups are deleted automatically after 180 days. Which two groups should you create? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point. 

Answer options:

A. a Microsoft 365 group that uses the Assigned membership type
B. a Security group that uses the Assigned membership type
C. a Microsoft 365 group that uses the Dynamic User membership type
D. a Security group that uses the Dynamic User membership type
E. a Security group that uses the Dynamic Device membership type

AC

You can set expiration policy only for Office 365 groups in Azure Active Directory (Azure AD). Note: With the increase in usage of Office 365 Groups, administrators and users need a way to clean up unused groups. Expiration policies can help remove inactive groups from the system and make things cleaner. When a group expires, all of its associated services (the mailbox, Planner, SharePoint site, etc.) are also deleted. You can set up a rule for dynamic membership on security groups or Office 365 groups. Incorrect Answers: B, D, E: You can set expiration policy only for Office 365 groups in Azure Active Directory (Azure AD). Reference: https://docs.microsoft.com/en-us/office365/admin/create-groups/office-365-groups-expiration-policy?view=o365-worldwide