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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are creating a Windows Communication Foundation (WCF) service based on WSHttpBinding. New audit requirements dictate that callers must be authenticated on every call to ensure that their credentials have not been revoked.
You need to ensure that the service will not cache the security request token.
What should you do?

A) In the message security configuration, set establishSecurityContext to false.
B) At the end of every operation, call the SessionStateUtility.RaiseSessionEnd method.
C) Apply a ServiceBehavior attribute to the service implementation class with the InstanceContextMode property set to Single.
D) In the message security configuration, change clientCredentialType from IssuedToken to UserName.

2. A Windows Communication Foundation (WCF) service that handles corporate accounting must be changed to comply with government regulations of auditing and accountability.
You need to configure the WCF service to execute under the Windows logged-on identity of the calling application.
What should you do?

A) Within the service configuration, add a serviceAuthenticationManager behavior to the service, and set serviceAuthenticationManagerType to Impersonate.
B) Within the service configuration, add a serviceAuthorization behavior to the service, and set impersonateCallerForAllOperations to true.
C) Within the service configuration, add a serviceSecurityAudit behavior to the service, and set serviceAuthorizationAuditLevel to SuccessOrFailure.
D) Within the service configuration, add a serviceCredentials behavior to the service, and set type to Impersonate.

3. You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service which class should you use?

A) ClientRuntime
B) ServiceHost
C) CommunicationObject
D) ChannelFactory <TChannel>

4. You are using windows Communication Foundation (WCF) to create a service. You need to implement a custom message-level security binding element Which binding element should you use?

A) SslStreamSecuntyBindingElement
B) TransportSecurityElement
C) WindowsStreamSecurityBindingElement
D) HttpsTransportBindingElement

5. You have a secured Windows Communication Foundation (WCF) service.
You need to track unsuccessful attempts to access the service.
What should you do?

A) Set the messageAuthenticationAuditLevel attribute of the serviceSecurityAudit behavior to Failure.
B) Set the includeExceptionDetaillnFaults attribute of the serviceDebug behavior to true.
C) Set the serviceAuthorizationManagerType attribute of the serviceAuthorization behavior to Message.
D) Set the Mode attribute of the security configuration element to Message.

Solutions: