WCF



21. What is IPC binding in WCF?  

Offered by the NetNamedPipeBinding class, this uses named pipes as a transport for same-machine communication. It is the most secure binding since it cannot accept calls from outside the machine and it supports a variety of features similar to the TCP binding.


22. Explain Web Service (WS) binding in WCF.  

Offered by the WSHttpBinding class, this uses HTTP or HTTPS for transport, and is designed to offer a variety of features such as reliability, transactions, and security over the Internet.


23. Explain Federated WS binding in WCF.  

Offered by the WSFederationHttpBinding class, this is a specialization of the WS binding, offering support for federated security.


24. What is Duplex WS binding in WCF ?  

Offered by the WSDualHttpBinding class, this is similar to the WS binding except it also supports bidirectional communication from the service to the client.



25. What is MSMQ binding in WCF?  

Offered by the NetMsmqBinding class, this uses MSMQ for transport and is designed to offer support for disconnected queued calls.


26. Explain MSMQ integration binding in WCF.  

Offered by the MsmqIntegrationBinding class, this converts WCF messages to and from MSMQ messages, and is designed to interoperate with legacy MSMQ clients.


27. What is endpoint in WCF?  

Every service must have Address that defines where the service resides, Contract that defines what the service does and a Binding that defines how to communicate with the service. In WCF the relationship between Address, Contract and Binding is called Endpoint.

The Endpoint is the fusion of Address, Contract and Binding.


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