You deploy a web application to an Azure Cloud Service. The application uses a storage account
that contains a large number of storage objects. You need to grant clients access to application
data for a specified interval of time while minimizing effort. What should you create?

A.
a stored access policy

B.
a service shared access signature

C.
an account shared access signature

D.
a network security group

Explanation:
https://azure.microsoft.com/en-gb/documentation/articles/storage-dotnet-shared-accesssignature-part-1/