What should you use?

You have a Microsoft 365 subscription.

You have a site collection named Promotion.

You need to ensure that all the sites in Promotion are deleted automatically six months after the sites are created. An administrator must be notified at least twice before a site is deleted.

What should you use?
A . a retention policy
B . a site policy
C . a label and a label policy
D . an Information Rights Management (IRM) policy

Answer: B

Explanation:

References: https://blogs.technet.microsoft.com/tothesharepoint/2013/03/28/site-policy-in-sharepoint/