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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 create a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. The client application communicates with an existing Web service that requires custom HTTP headers. You need to ensure that all messages sent to the service include the headers.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.AddBindingParameters method.
B) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.AfterReceiveReply method.
C) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.BeforeSendRequest method.
D) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.ApplyClientBehavior method.

2. You are creating an application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application. The YourUserNamePasswordValidator class is implemented in the host application of the WCF service. The host application is named YourServiceHost.exe. You write the following code segment.
namespace YourSecureService
{
class YourUserNamePasswordValidator : UserNamePasswordValidator {
public override void Validate(string userName, string password)
{
...
}}
}
You need to perform custom validation of the user name and password by using the YourUserNamePasswordValidator class. What should you do?

A) Set the netTcpBinding binding in the following manner. <security mode="Transport">
<transport
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication customUserNamePasswordValidatorType="YourSecureService.
YourUserNamePasswordValid ator " userNamePasswordValidationMode="Custom"/>
B) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<message
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication customUserNamePasswordValidatorType="YourSecureService.
YourUserNamePasswordValid a or,YourServiceHost"
userNamePasswordValidationMode="Custom"/>
C) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<transport
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication
customUserNamePasswordValidatorType="YourUserNamePasswordValidator,
YourServiceHo st" userNamePasswordValidationMode="Custom"/>
D) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<message
clientCredentialType="UserName" /></security> Set the service behavior by using
thefollowing credentials.
<userNameAuthentication
customUserNamePasswordValidatorType="YourSecureService.YourUserNamePasswordV
alid ator"
userNamePasswordValidationMode="Custom"/>

3. You are creating a Windows Communication Foundation application by using Microsoft .NET Framework 3.5. The application must consume an ATOM 1.0 feed published at http://localhost:8000/BlogService/GetBlog. You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that the application prints the title of the feed.
Which code segment should you insert at the line 02?

A) Dim item As New SyndicationItem()
item.BaseUri = address
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item}
B) Dim feed As SyndicationFeed = SyndicationFeed.Load(address)
C) Dim item As Syndicationltem = SyndicationItem.Load(address)
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item}
D) Dim feed As SyndicationFeed = New SyndicationFeed()
feed.BaseUri = address

4. How to ensure SOAP envelope generation is always disabled for messages sent to the client?

A) ver = MessageVersion.None
B) ver = MessageVersion.Soap11WSAddressing10
C) ver = MessageVersion.Default
D) ver = OerationContext.Current.IncomingMessageVersion

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

Solutions: