What should you do?

You have a Microsoft 36S subscription that contains several Microsoft SharePoint Online sites. You discover that users from your company can invite external users to access files on the SharePoint sites. You need to ensure that the company users can invite only authenticated guest users to the sites.

What should you do?
A . From the Microsoft 365 admin center, configure a partner relationship.
B . From SharePoint Online Management Shell, run the set-SPOSite cmdlet.
C . From the Azure Active Directory adman center, configure a conditional access policy.
D . From the SharePoint admin center, configure the sharing settings.

View Answer

Answer: D

Explanation:

You need to set the Sharing settings to ‘Existing Guests’. This setting allows sharing only with guests who are already in your directory. These guests may exist in your directory because they previously accepted sharing invitations or because they were manually added.

Reference: https://docs.microsoft.com/en-us/sharepoint/turn-external-sharing-on-or-off