Microsoft 70-513

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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are creating a windows Communication Foundation (WCF) service to process orders.
The data contract for the order is defined as follows:
[DataContract]>
public class Order
{
[DataMemberl ()>
public string CardHolderName { get; set;
[DataMember] >
public string CreditCardNumber { get; set; }
)
You have the following requirements:
- Enable the transmission of the contents of Order from the clients to the service.
- Ensure that the contents of CreditCardNumber are not sent across the network in clear text.
- Ensure that the contents of CreditCardNumber are accessible by the service to process the order.
You need to implement the service to meet these requirements
What should you do?

A) Change the data type of CreditCardNumber from string to SecureString
B) Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt
C) Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.
D) Implement the CreditCardNumber property getter and setter In the setter, run the value of the CreditCardNumber through the MD5CryptoServiceProvider class TransformBlock method

2. You are developing a client application that uses the following code to consume a Windows
Communication Foundation (WCF) service. (Line numbers are included for reference only.)
01 Dim myBinding As BasicHttpBinding =
New BasicHttpBinding()
02 Dim myEndpointAddress As EndpointAddress =
New EndpointAddress(
"http://contoso.com/TaxService.svc")
04 Dim client As ITaxService =
channelFactory.CreateChannel()
05 Dim data As String = client.GetData(1)
You need to consume the service.
Which code segment should you insert at line 03?

A) channelFactory =
New ChannelFactory(Of ITaxService)
("http://contoso.com/TaxService.svc")
B) Dim channelFactory =
New ChannelFactory(Of ITaxService)(myBinding)
C) Dim channelFactory =
New ChannelFactory(Of ITaxService)
(myBinding, myEndpointAddress)
D) Dim channelFactory =
New ChannelFactory(Of ITaxService)()

3. A Windows Communication Foundation (WCF) service is generating a separate namespace declaration for each body member of a message contract, even though all body members share the same namespace.
You need to simplify the XML representation of your message contract so that the namespace is only declared once.
What should you do?

A) Declare all of the body members as properties of a separate MessageContract class and use the class as the only body member of the message contract.
B) Declare a wrapper namespace for the message contract by using the WrapperNamespace property of the MessageContract attribute
C) Explicitly set the Namespace property of all the MessageBodyMember attributes to the same namespace.
D) Declare all the body members as properties of a DataContract class and use the class as the only body member of the message contract.

4. A WCF service code is implemented as follows. (Line numbers are included for reference only)
01 [ServiceContract]
02 [ServiceBehavior(lnstanceContextMode =
03 lnstanceContextModeSingle)]
04 public class CalculatorService
05 {
06 [OperationContract]
07 public double Calculate(double op1, string op. double op2)
08 {
24 }
25 }
You need to increase the rate by which clients get the required response from the service.
What e two possible ways to achieve this goal? (Each correct answer presents a complete sokiion
Choose two.)

A) Require the clients to use async operations when calling the senvice.
B) Require the clients use threads, the Parallel Task Library, or other mechanism to issue service calls in parallel.
C) Change the service behavior to the following.
[ServiceBehavior(
lnstanceContextMode = lnstanceContextModeSingle,
ConcirrencyMode = ConcurrencyMode. Multide)]c
D) Change the service behavior to the following.
[ServiceBehavior(lnstanceContextMode = lnstanceContextMode.PerCall)]

5. DRAG DROP
You develop a Windows Communication Foundation (WCF) service that is hosted within a console application. The service implements the IRegistrationService interface in a class named RegistrationService. The service uses the following endpoint URL:
http://localhost:8080/registrationservice/basic
You need to configure the console application to host the service.
How should you complete the relevant markup? (To answer, drag the appropriate markup segment to the correct location in the answer area. Each segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Solutions: