You are the Office 365 administrator for your company.
The environment must support single sign-on.
You need to install the required certificates.
Which two certificates should you install? Each correct answer presents part of the solution.

A.
Secure Sockets Layer (SSL)

B.
Privacy-enhanced mail (PEM)

C.
Token signing

D.
Personal

E.
Software publisher

Explanation:
Certificates are used to secure communications between federation servers, Web Application Proxies,
federation server proxies, the cloud service, and web clients.
A: A Secure Sockets Layer (SSL) certificate is used to secure communications between federation servers,
clients, Web Application Proxy, and federation server proxy computers.
C: A Token-signing certificate is a standard X.509 certificate that is used to securely sign all tokens that the
federation server issues and that the cloud service will accept and validate.