What should you recommend?

You have business services that run on an on-premises mainframe server.

You must provide an intermediary configuration to support existing business services and Azure. The business services cannot be rewritten. The business services are not exposed externally.

You need to recommend an approach for accessing the business services.

What should you recommend?
A . Connect to the on-premises server by using a custom service in Azure.
B . Expose the business services externally.
C . Expose the business services to the Azure Service Bus by using a custom service that uses relay binding.
D . Move all business service functionality to Azure.

Answer: D

Explanation:

http://azure.microsoft.com/en-gb/documentation/articles/service-bus-dotnet-how-to-use-relay/