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Microsoft 70-513 Exam Syllabus Topics:

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

2. You are developing a Windows Communication Foundation (WCF) service to provide an in-memory cache for many Web applications. The service contract is defined as follows. (Line numbers are included for reference only.)

You need to ensure that all users share the cache.
Which code segment should you insert at line 07?

A) [ServiceBehavior(TransactionlsolationLevel = IsolationLevel.RepeatableRead)]
B) [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]
C) [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
D) [ServiceBehavior(TransactionlsolationLevel = IsolationLevel.ReadCoromitted)]

3. You are developing a Windows Communication Foundation (WCF) service to replace an existing A5MX Web service.
The WCF service contains the following code segment. (Line numbers are included for reference only.)

The existing Web service returns the EmployeeID as an attribute of the EmployeeInfo element in the response XML.
You need to ensure that applications can consume the service without code changes in the client.

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

4. You have an existing Windows Communication Foundation (WCF) service that exposes a service contract over HTTP using explicit binding configuration.
You need to expose that contract over HTTP and TCP.
What should you do?

A) Add a net.tcp base address to the host.
B) Add a binding configuration to the existing endpoint named netTcpBinding.
C) Add an endpoint configured with a netTcpBinding.
D) Add an endpoint behavior named netTcpBehavior to the existing endpoint.

5. --- -
You develop a Windows Communication Foundation (WCF) service. Many client applications will consume the service.
You have the following requirements:
You must enable client sessions on the service.
The service must support multi-threaded operations.
If a client application uses sessions, the lifetime of the service instance must be
scoped to the lifetime of the session.
If a client application does not use sessions, the lifetime of the service must be
scoped to the lifetime of a method cal
You need to configure the service.
What should you do? (Each correct answer presents part of the solution. Choose three.)

A) In the ServiceBehavior attribute, set the value of the SessionMode property to SessionMode.Allowed.
B) In the ServiceContract attribute, set the value of the InstanceContextMode property to InstanceContextMode.PerSession.
C) In the ServiceContract attribute, set the value of the SessionMode property to SessionMode.Allowed.
D) In the ServiceBehavior attribute, set the value of the InstanceContextMode property to InstanceContextMode. PerSession.
E) In the ServiceContract attribute, set the value of the ConcurrencyMode property to ConcurrencyMode.Multiple
F) In the ServiceBehavior attribute, set the value of the ConcurrencyMode property to ConcurrencyMode.Multiple

Solutions: