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Microsoft 70-503 Exam Syllabus Topics:

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

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize client applications. You write the following code segment:
class Store: IStore
{
public void RemoveOrder(int ordered)
{
} }
You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
What should you do?

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

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

The implementation of the MyMethod operation must call back the CallbackMethod operation. You need to ensure that the service meets the following requirements:
Which service implementation should you use?

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

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment for the service contract. (Line numbers are included for reference only.)
01 [ServiceContract]
03 public class MyService
04 { 05...
06 }
The service uses transactions that time out in a minute. You need to increase the timeout interval of the transactions to 2 minutes and 30 seconds. Which code segment should you insert at line 02?

A) [ServiceBehavior(TransactionTimeout="2:30:00")]
B) [ServiceBehavior(TransactionTimeout="150")]
C) [ServiceBehavior(TransactionTimeout="0:2:30")]
D) [ServiceBehaviorO"ransactionTimeout="0:150:00")]

4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code fragment for the configuration setting. (Line numbers are included for reference only.)
01 <wsHttpBinding>
02 <binding name="simple">
04 </binding>
05 </wsHttpBinding>
You need to ensure that the service uses transport security and allows access to anonymous client applications. Which code fragment should you insert at line 03?

A) <security mode="Transport" > <message clientCredentialType="Certificate"></security>
B) <security mode="Transport" > <message clientCredentialType="None"></security>
C) <security mode="Transport" > transport clientCredentialType="Basic" /></security>
D) <security mode="Transport" > transport clientCredentialType="None" /></security>

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

Solutions: