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Microsoft 070-513 Exam Syllabus Topics:

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

1. You are developing a Windows Communication Foundation (WCF) service to provide an in-memory cache for many Web applications. The service contract is defined as follows. (Line numbers are included for reference only.)

You need to ensure that all users share the cache.
Which code segment should you insert at line 07?

A) [ServiceBehavior(TransactionlsolationLevel = IsolationLevel.RepeatableRead)]
B) [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
C) [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]
D) [ServiceBehavior(TransactionlsolationLevel = IsolationLevel.ReadCoromitted)]

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 ImpersonateCallerForAulOperations 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 developing a client application that consumes a Windows Communication Foundation (WCF) service.
You use the svcutil.exe utility to create a proxy for the service.
You use the svcutil.exe switches that generate asynchronous calls. GetFlight is a service operation that takes no parameters and returns a string. The GetFlightCallback method must be called when the service operation returns.
You create an instance of the client proxy with the following code.
var client = new TravelServiceClient();
You need to ensure that a callback is received when the GetFlight operation is called asynchronously.
Which code segment should you use?

A) IAsyncResult asyncResult = client.BeginGetFlight( GetFlightCallback, client); client.EndGetFlight(asyncResult);
B) client.GetFlightCompleted += new EventHandler<GetFlightCompletedEventArgs>( GetFlightCallback); client.GetFlightAsync();
C) client.BeginGetFlight(GetFlightCallback, null); client.GetFlight();
D) client.GetFlight(); client.BeginGetFlight(GetFlightCallback, null);

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

5. You are developing a Windows Communication Foundation (WCF) service that is used to
check the status of orders placed by customers. The following code segment is part of your service. (Line numbers are included for reference only.)

You need to ensure that the service always listens at net.pipe://SupplyChainServer/Pipe. What should you do?

A) Option D
B) Option A
C) Option C
D) Option B

Solutions: