You are developing a Windows Communication Foundation (WCF) service that must be

discoverable. You need to ensure that the ServiceHost instance supports multiple discovery
versions. What should you do?

A.
• Use the endpoint constructor without the DiscoveryVersion parameter. • Use the same
value for the Address property of each endpoint.

B.
• Specify a unique DiscoveryVersion parameter for each endpoint constructor. • Use the
same value for the Address property of each endpoint.

C.
• Use the endpoint constructor without the DiscoveryVersion parameter. • Use a unique
value for the Address property of each endpoint.

D.
• Specify a unique DiscoveryVersion parameter for each endpoint constructor. • Use a
unique value for the Address property of each endpoint.