WCF Data Services Interview Preparation Guide
Download PDF

WCF Data Services frequently Asked Questions by expert members with experience in WCF Data Services. These interview questions and answers on WCF Data Services will help you strengthen your technical skills, prepare for the interviews and quickly revise the concepts. So get preparation for the WCF Data Services job interview

26 WCF Data Services Questions and Answers:

1 :: Explain WCF Basic binding type?

Offered by the BasicHttpBinding class, this is designed to expose a WCF service as a legacy ASMX web service, so that old clients can work with new services. When used by the client, this binding enables new WCF clients to work with old ASMX services.

2 :: What is WCF TCP binding type?

Offered by the NetTcpBinding class, this uses TCP for cross-machine communication on the intranet. It supports a variety of features, including reliability, transactions, and security, and is optimized for WCF-to-WCF communication. As a result, it requires both the client and the service to use WCF.

3 :: What is WCF Peer network binding type?

Peer network binding

Offered by the NetPeerTcpBinding class, this uses peer networking as a transport. The peer network-enabled client and services all subscribe to the same grid and broadcast messages to it.

4 :: Explain WCF IPC binding type?

IPC binding

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.

5 :: Explain WCF Web Service (WS) binding type?

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.

6 :: Explain WCF Federated WS binding type?

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

7 :: Explain Duplex WS binding?

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

8 :: What is MSMQ binding?

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

9 :: Explain MSMQ integration binding?

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

10 :: Explain WCF?

Windows Communication Foundation (WCF) is an SDK for developing and deploying services on Windows. WCF provides a runtime environment for services, enabling you to expose CLR types as services, and to consume other services as CLR types.

WCF is part of .NET 3.0 and requires .NET 2.0, so it can only run on systems that support it.