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Microsoft 70-503 Exam Syllabus Topics:

Section	Objectives
Topic 1: Client Configuration and Consumption	- Client configuration 1. Handling faults and exceptions 2. Endpoint configuration - Service consumption 1. Adding service references 2. Generating proxies
Topic 2: Security in WCF Services	- Secure communication 1. Certificates and encryption 2. Protection levels and security modes - Authentication and authorization 1. Message and transport security 2. Windows authentication
Topic 3: Configuring and Hosting WCF Services	- Hosting environments 1. IIS hosting 2. Windows Activation Service (WAS) 3. Self-hosting services - Service configuration 1. Configuration via app.config/web.config 2. Endpoints, bindings, and behaviors
Topic 4: WCF Bindings and Messaging	- Bindings 1. BasicHttpBinding, WSHttpBinding, NetTcpBinding 2. Custom bindings - Message patterns 1. One-way and duplex communication 2. Request-reply
Topic 5: 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

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

Question #1

You are creating a client application by using Microsoft .NET Framework 3.5. The
application consumes an ASMX Web service.
You need to configure the binding to call the methods of the ASMX Web service.
Which binding should you use?

A. Option B
B. Option D
C. Option A
D. Option C

Reveal Solution Discussion 0

Correct Answer: B 🗳️

Question #2

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. You are designing a data contract for a Windows Communication foundation (WCF) service that will be hosted by the application. You need to ensure that the data contract meets the following requirements: It does not support Schema versioning.
It allows additional contract and additional elements to be included over time. It allows the client applications to submit messages that contain additional elements without error.
What should you do?

A. Implement the IMetadataExchange interface.
B. Use the IsRequired property.
C. Implement the IExtensibleDataObject interface.
D. Use the DataMemberAttribute attribute.

Reveal Solution Discussion 0

Correct Answer: C 🗳️

Question #3

You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You add the following code segment to a configuration file. (Line numbers are included for reference only)
01 <configuration> 02 <system.serviceModel>
04 </system.serviceModel>
05 </configuration
You need to enable the performance counters to monitor the ServiceModelOperation object of the service.
You also need to ensure that the performance counters are disabled for all other services.
What should you do?

A. Add the following code fragment at line 03 in the machine.config file. <diagnosticsperformanceCounters="ServiceOnly" />
B. Add the following code fragment at line 03 in the app.config file. <diagnosticsperformanceCounters="All" />
C. Add the following code fragment at line 03 in the app.config file. <diagnosticsperfocmanceCounters="ServiceOnly" />
D. Add the following code fragment at line 03 in the machine.config file. <diagnosticsperfocmanceCounters="All" />

Reveal Solution Discussion 0

Correct Answer: D 🗳️

Question #4

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) service that will be consumed by an ASP. NET application. The WCF application and the ASP.NET application will be deployed on the same server. You need to ensure that the WCF service meets the following requirements:
The communication between the applications incurs minimum latency. The binding satisfies the ordered delivery constraint that is specified in the service implementation by using the DeliveryRequirements attribute.
Which binding object should you use?

A. NetNamedPipeBinding
B. NetTcpBinding
C. NetPeerTcpBinding
D. WSHttpBinding

Reveal Solution Discussion 0

Correct Answer: A 🗳️

Question #5

You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
The WCF service contains the following code segment.

A console application hosts the WCF service. A Microsoft Windows client application uses the WCF service.
You need to implement the callback operation for the client application. You also need to ensure that the callback operation will not encounter deadlocks during execution.