Microsoft 070-513 : TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4

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

1. A Windows Communication Foundation (WCF) solution uses the following contract.
<ServiceContract(SessionMode:=SessionMode Allowed)s Public Interface lMyService <OperationContract(lsTerminating:sFalse)s Sub Initialize () <OperationContract(lslnitiating:sFalse)>s Sub DoSomething() <OperationContract(lsterminating:=True)>
Sub Terminate ()
End Interface You need to change this interface so that:
"Initialize is allowed to be called at any time before Terminate is called.
"DoSomething is allowed to be called only after Initialize is called, and not allowed to be called after Terminate is called. "Terminate will be allowed to be called only after Initialize is called
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Change the OperationContract attribute of the Initialize operation to the following. OperationContract(lslnitiating: 'True, IsTerminating: 'False)
B) Change the OperationContract attribute of the Terminate operation to the following. OperationContract(Islnitiatings:False, lsTerminating: 'True)
C) Change the ServiceContract attribute of the lMyService interface to the following. ServiceContract(SessionMode:sSessionModeAllowed)?
D) Change the ServiceContract attribute of the lMyService interface to the following. ServiceContract(SessionMode:sSessionMode. Required)

2. A WCF service code is implemented as follows. (Line numbers are included for reference only)
01 [ServiceContract]
02 [ServiceBehavior(lnstanceContextMode =
03 lnstanceContextModeSingle)]
04 public class CalculatorService
05 {
06 [OperationContract]
07 public double Calculate(double op1, string op. double op2)
08 {
24 }
25 }
You need to increase the rate by which clients get the required response from the service.
What e two possible ways to achieve this goal? (Each correct answer presents a complete sokiion
Choose two.)

A) Require the clients use threads, the Parallel Task Library, or other mechanism to issue service calls in parallel.
B) Change the service behavior to the following.
[ServiceBehavior(
lnstanceContextMode = lnstanceContextModeSingle,
ConcirrencyMode = ConcurrencyMode. Multide)]c
C) Change the service behavior to the following.
[ServiceBehavior(lnstanceContextMode = lnstanceContextMode.PerCall)]
D) Require the clients to use async operations when calling the senvice.

3. You create a Windows Communication Foundation (WCF) service.
You need to ensure that specific users can enable message logging for the service at runtime.
In the configuration file for the service, what should you do?

A) Enable a shared XMLTraceListener object.
B) Enable message logging.
C) Enable debug compilation.
D) Enable the Windows Management Instrumentation (WMI) provider.

4. You are developing a Windows Communication Foundation (WCF) service. The service configuration file has a <System.Diagnostics> element defined.
You need to ensure that all security audit information, trace logging, and message logging failures are recorded.
Which configuration segment should you add to the <System.Diagnostics> element?

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

5. 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 serviceCredentials behavior to the service, and set type to Impersonate.
D) Within the service configuration, add a serviceSecurityAudit behavior to the service, and set serviceAuthorizationAuditLevel to SuccessOrFailure.

Solutions: