You manage a cloud service that utilizes data encryption.
You need to ensure that the certificate used to encrypt data can be accessed by the cloud service application.
What should you do?

A.
Upload the certificate referenced in the application package.

B.
Deploy the certificate as part of the application package.

C.
Upload the certificate’s public key referenced in the application package.

D.
Use RDP to install the certificate.

Explanation:
You have to upload a .pfx file, and not a .cer file. pfx files contains the private key, while cer files contains public
and private keys.
http://azure.microsoft.com/en-gb/documentation/articles/cloud-services-configure-ssl-certificate/
#step3