单项选择题

A.The best option is to run the Test-OwaConnectivity cmdlet in the Exchange Management Shell.
B.The best option is to view the session state settings for the Outlook Web Access virtual directory in the Internet Information Services (IIS) Manager.
C.The best option is to run a baseline scan in the Exchange Best Practices Analyzer.
D.The best option is to check the properties of the default Outlook Web App mailbox policy in the Exchange Management Console (EMC).