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

1. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service accepts service requests from different partner applications. One of the partner applications occasionally receives faults.
You need to identify why the service is generating faults. You must accomplish this goal without interrupting the service.
What should you do?

A) Connect remotely to the WCF service by using a debugger. Place breakpoints in the
exception handling code segment.
B) Run SvcTraceViewer.exe /register on the WCF server.
C) Configure the Service Tracing options in the application configuration file. Analyze the
trace results by using the SvcTraceViewer.exe program.
D) Add the following code segment to the application configuration file.
<system.diagnostics>
<switches>
<add name="WcfFaultTrace" value="Error" />
</ switches>
</system.diagnostics>

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

The service uses a transactional binding. The TransactionFlow property for the binding is set to true. You need to ensure that the MyMethod method meets the following requirements:
Which code segment should you insert at line 05?

A) [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Mandatory)]
B) [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Mandatory)]
C) [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Allowed)]
D) [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Allowed)]

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that data sent in a SOAP header is in the following XML format.
<Data> <string>String 1</string> <string>String 2</string> <string>String 3</string>
</Data>
Which code segment should you use?

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

4. You are creating a Windows Communication Foundation distributed application by using Microsoft .NET Framework 3.5. You write the following code segment to implement the service contract. (Line numbers are included for reference only.)

You need to ensure that the client applications of only those users who belong to the Administrators group can access the RemoveOrder method.
Which code segment should you insert at line 05?

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

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service receives automation commands for a factory robot.
You need to ensure that the robot receives the commands in the same order as they are
transmitted.
Which binding element should you use?

A) <security/>
B) <reliableSession/>
C) <compositeDuplex/>
D) <transactionFlow/>

Solutions: