Which two actions should you perform?

You have an Exchange Server 2013 Organization that has a hybrid development with Microsoft Office 365. The
hybrid deployment includes an Active Directory Federation Services (AD FS) proxy server and a DirSync
server.
You plan to remove the AD FS server.
You need to configure DirSync services for Single Sign-On (SSO).
Which two actions should you perform? Each correct answer presents part of the solution.

A.
Convert the Office 365 domain to federated.

B.
Convert the Office 365 domain to managed.

C.
Enable Password synchronization.

D.
Modify the external sharing options.

E.
Enable Password write-back.