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Microsoft 070-503 Exam Syllabus Topics:
| Section | Objectives |
| Designing and Developing WCF Services | - Service contracts and data contracts
- 1. Define service contracts using ServiceContract and OperationContract
- 2. Design data contracts using DataContract and DataMember
- Service implementation
- 1. Implement service classes
- 2. Handle concurrency and instancing modes
|
| WCF Bindings and Messaging | - Message patterns
- 1. One-way and duplex communication
- 2. Request-reply
- Bindings
- 1. Custom bindings
- 2. BasicHttpBinding, WSHttpBinding, NetTcpBinding
|
| Configuring and Hosting WCF Services | - Service configuration
- 1. Endpoints, bindings, and behaviors
- 2. Configuration via app.config/web.config
- Hosting environments
- 1. IIS hosting
- 2. Windows Activation Service (WAS)
- 3. Self-hosting services
|
| Client Configuration and Consumption | - Client configuration
- 1. Handling faults and exceptions
- 2. Endpoint configuration
- Service consumption
- 1. Generating proxies
- 2. Adding service references
|
| Security in WCF Services | - Authentication and authorization
- 1. Windows authentication
- 2. Message and transport security
- Secure communication
- 1. Certificates and encryption
- 2. Protection levels and security modes
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
1. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.

Client applications pass an instance of the Customer class to the service.
You create a new version of the data contract and replace the Name property with the FirstName property. You need to ensure that the existing client applications can continue to consume the
service without modifying their code. Which code segment should you use?


A) Option B
B) Option A
C) Option D
D) Option C
2. You are creating a client application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The client application uses a Personal Information Card to provide authentication information to the WCF server. You write the following code fragment. (Line numbers are included for reference only.)

You need to ensure that one of the claims in the Personal Information Card contains an e-mail address.
Which code fragment should you insert at line 05?

A) Option B
B) Option A
C) Option D
D) Option C
3. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You add the following code segment to the service.

You add the following code segment to the client application.
01 Public Function PerformCalculations(ByVal numberl As Double, _ ByVal number2 As Double) As Double
03 End Function
You need to ensure that the DisposeCalculator operation is always called.
Which code segment should you insert at line 02?

A) Option B
B) Option A
C) Option D
D) Option C
4. You have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.

You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?

A) Option B
B) Option A
C) Option D
D) Option C
5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
The svcutil.exe tool generates the following two files from the metadata:
You need to ensure that the configuration file is merged with an existing app.config file.
Which command should you use?
A) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
B) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig
C) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
D) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config
Solutions:
Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: B |