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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 creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

You need to create an endpoint for the service contract in the application configuration file.
Which endpoint should you use?

A) <endpointaddress="" binding="basicHttpBinding" _ contract="ServiceConfig"/>
B) <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.MyService"/>
C) <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.ServiceConfig"/>
D) <endpointaddress="" binding="basicHttpBinding" _ contract="HyService"/>

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

3. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The component will return custom business objects. You plan to develop a design strategy that meets the following requirements:
The component can be accessed by the .NET Windows applications and JavaScript-based Web applications. The component can be consumed by the client applications by using the minimum amount of code. The least amount of network bandwidth is consumed. You need to implement the design strategy by using the minimum amount of development effort. What should you do?

A) Develop the component as a Web service. Return the business objects as XML.
B) Develop the component as a Windows Communication Foundation service. Return the business objects as JavaScript Object Notation objects.
C) Develop the component as a Web service. Return the business objects as strings that contain the values of the properties concatenated and separated by a comma.
D) Develop the component as a Windows Communication Foundation service. Return the business objects as serialized binary objects.

4. You are creating a client application by using Microsoft .NET Framework 3.5. The application will be accessible on the Internet.
You plan to use the wsHttpBinding binding by using HTTPS. The Windows Communication Foundation (WCF) service is hosted by a Windows service. You associate the HTTPS port of the WCF server with an X.509 certificate.
You need to ensure that the client application trusts and validates the certificate.
What should you do?

A) Derive a class from the System.IdentityModel.Selectors.X509CertificateValidator class.
Create an instance of the derived class on the client side.
Write the validation code in the public override void Validate(X509Certificate2 certificate) method.
B) Subscribe to the ServerCertificateValidationCallback event of the System.Net.ServicePointManager class.
Write the validation code in the boolValidate(object sender, X509Certificate cert, X509Chain chain. System.Net.Security .SslPolicyErrors error) event handler on the server side.
C) Derive a class from the System.IdentityModel.Selectors.X509CertificateValidator class.
Create an instance of the derived class on the server side.
Write the validation code in the public override void Validate(X509Certificate2 certificate) method.
D) Subscribe to the ServerCertificateValidationCallback event of the System.Net.ServicePointManager class.
Write the validation code in the boolValidate(object sender, X509Certificate cert, X509Chain chain. System.Net.Security.SslPolicyErrors error) event handler on the client side.

5. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)
01 public interface IMyService
02{
04 string ProcessString(string name);
05}
You create a host for the WCF service. You also create a service endpoint at http://localhost:8080/service. You add an instance of the HttpTransferEndPointBehavior class to the host.
You need to ensure that the ProcessString method can be invoked from a Web browser by using the URL http://localhost:8080/service/process? name=value.
Which code segment should you insert at line 03?

A) [OperationContract(Name="process", Action="Post")]
B) [OperationContract][WebGet(UriTemplate = "process?name={name}")]
C) [OperationContract(Name="process", Action="Get")]
D) [OperationContract][Weblnvoke(UriTemplate = "process?name={name}")]

Solutions: