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

1. You are creating a distributed application by using Microsoft .NET Framework 3.5.
The application uses Windows Communication Foundation (WCF). The distributed application provides point-to-point security.
You need to ensure that the distributed application provides end-to-end security instead of point-to-point security.
Which binding mode should you use?

A) netTcpBinding with Transport security
B) netNamedPipeBinding with Transport security
C) wsHttpBinding with Message security
D) wsHttpBinding with Transport security

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to publish metadata programmatically.
Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)

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

3. You create a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5. You set up tracing for the service.
The tracing fails because of an error in the service configuration. You need to identify the cause of the error.
What should you do?

A) Set the enableLogKnownPii attribute to true in the machine, config file.
B) Examine the security event log.
C) Examine the application event log.
D) Examine the system event log.

4. 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 A
B) Option D
C) Option B
D) Option C
E) Option E

5. You are creating a client application that will call a Windows Communication Foundation service. The service was created by using Microsoft .NET Framework 3.5.
You write the following code segment.
[DataContract]
public class CreditCard {
private string cardNumber = 0; [DataMember] public string Name { get; set; } [DataMember] public string CardNumber { get { return cardNumber; } set { if (!IsValidCreditCardNumber(value)) { throw new ArgumentException("Invalid credit card number"); } cardNumber = value; } }
} You plan to share the validation logic between the client application and the WCF service.
You need to generate a client-side service proxy that includes the validation logic.
Which four tasks should you perform? (Each correct answer presents part of the solution. Choose four.)

A) In the Service project, add a reference to the Class Library project.
B) Create a Class Library project for the DataContract classes.
C) In the Client project, use the Add Service Reference dialog box to reference the service.
D) In the Client project, add a reference to the Class Library project.
E) In the Client project, use the Add Web Reference dialog box to reference the service.
F) In the Client project, use the Add Reference dialog box to add a project reference to the Service project.

Solutions: