You need to verify that single sign-on functions for the users who access Office 365 from the Internet

Your company has an Office 365 subscription. The network contains an Active Directory domain. You
configure single sign-on for all users.
You need to verify that single sign-on functions for the users who access Office 365 from the Internet.
What should you run?

A.
the Get-MSOLFederationProperty cmdlet

B.
the Test-OrganizationRelationship cmdlet

C.
the Microsoft Remote Connectivity Analyzer

D.
the Microsoft Exchange Server Deployment Assistant