MCTS Windows Communication Foundation (WCF)

Question 1

In WCF, what does the ABC acronym stand for when describing an endpoint?

Accepted Answer

Address, Binding, Contract

Answer

Application, Binding, Channel

Answer

Address, Behavior, Contract

Answer

Application, Behavior, Channel

Question 2

Which WCF binding is optimized for cross-machine communication over TCP and is NOT suitable for internet-facing services?

Accepted Answer

NetTcpBinding

Answer

BasicHttpBinding

Answer

WSHttpBinding

Answer

WebHttpBinding

Question 3

Which .NET attribute marks an interface as a WCF service contract?

Accepted Answer

[ServiceContract]

Answer

[DataContract]

Answer

[OperationContract]

Answer

[MessageContract]

Question 4

What is the default message encoding used by BasicHttpBinding?

Accepted Answer

Text/XML

Answer

MTOM

Answer

Binary

Answer

JSON

Question 5

Which WCF service behavior must be enabled to allow clients to retrieve the service's WSDL metadata?

Accepted Answer

serviceMetadata

Answer

serviceDebug

Answer

serviceThrottling

Answer

serviceAuthorization

Question 6

Which class is used to self-host a WCF service inside a managed .NET application such as a console app?

Accepted Answer

ServiceHost

Answer

ServiceProxy

Answer

ChannelFactory

Answer

ServiceEndpoint

Question 7

Which WCF binding uses SOAP 1.2 by default and provides WS-* protocol support such as reliable messaging and security?

Accepted Answer

WSHttpBinding

Answer

BasicHttpBinding

Answer

NetNamedPipeBinding

Answer

WebHttpBinding