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

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You add the following code fragment to the app.config file for the service.

You need to enable personal identifiable information (PII) logging for the second trace source.
What should you do?

A) Rename the second source listener name to Pii.
B) Set the logKnownPii attribute to true for the second source in the code fragment.
C) Set the logKnownPii attribute to true for the first source in the code fragment.
D) Set the logKnownPii attribute to false for the first source in the code fragment.

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

3. DRAG DROP
You are creating an application in Windows Communication Foundation (WCF) by using Microsoft.NET Framework 3.5.
You need to ensure that the client application communicates with the service by using a duplex contract.
Which five actions should you perform? (To answer, move the five appropriate actions from the list of actions to the answer area, and arrange them in the correct order.)

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

5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will authenticate the client applications by using Personal Information Cards.
You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that only those client applications that provide a valid e-mail address can execute the Update method.
Which code segment should you insert at line 08?

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

Solutions: