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Microsoft 070-503 Exam Syllabus Topics:

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are replacing an ASMX Web service with a Windows Communication Foundation service by using Microsoft .NET Framework 3.5, The ASMX Web service has a number of existing clients, which you cannot recompile and redeploy. You need to maintain backward compatibility with the existing clients. Which code fragment should you use?

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

2. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service contains two operations named ProcessSimpleOrder and ProcessComplexOrder. You need to expose the ProcessSimpleOrder operation to all the client applications. You also need to expose the ProcessComplexOrder operation only to specific client applications. Which code segment should you use?

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

3. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?

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

4. You have some code:
<system.diagnostics>
<sources>
(.......)
<listeners>
<add name="DefaultListener" />
</listeners>
</source>
</sources>
What line should you insert at (......) to enable tracing?

A) <source name="System.ServiceModel" switchValue="Information, ActivityTracing" propagateActivity="true">
B) <source name="System.ServiceModel" switchValue="ActivityTracing" propagateActivity="true">
C) <source name="System.ServiceModel.MessageLogging">
D) <source name="System.ServiceModel" switchValue="ActivityTracing" propagateActivity="false">

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment to define the service. (Line numbers are included for reference only.)

You need to set the ServiceContract attribute for the transaction behavior of the service.
Which code segment should you insert at line 01?

A) [ServiceContract(SessionMode=SessionMode.Allowed)]
B) [ServiceContract(SessionMode=SessionMode.NotAllowed, ProtectionLevehProtectionLevel.EncryptAndSign)]
C) [ServiceContract(SessionMode=SessionMode.Allowed, ProtectionLeveMProtectionLevel.EncryptAndSign)]
D) [ServiceContract(SessionMode=SessionMode.Required)]

Solutions: