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Microsoft 70-503 Exam Syllabus Topics:

Section	Objectives
Topic 1: Security, Transactions and Reliability	- Transactions, concurrency and instance management - Configuring security (transport and message level) - Reliable messaging and error handling
Topic 2: Service Implementation and Hosting	- Implementing service contracts in C# using .NET Framework 3.5 - Configuring service behavior and metadata exposure - Hosting WCF services in managed applications, IIS and WAS
Topic 3: Client Configuration and Communication	- Creating and configuring WCF client applications - Channel factories and proxy generation - Bindings and interoperability considerations
Topic 4: Windows Communication Foundation Fundamentals	- Service contracts, data contracts, and message contracts - Understanding WCF architecture and programming model - Bindings, endpoints, and host configuration

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

1. You create a client application by using Microsoft .NET Framework 3.5. The client application uses a Windows Communication Foundation (WCF) service. You plan to implement inspection handling on the client application and the WCF service. You need to add error handling to the WCF service. What should you do?

A) Modify the BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
B) Modify the AfterReceiveReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
C) Modify the AfterReceiveRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
D) Modify the BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?

A) if(((ICommunicationObject)callback).State== CommunicationState.Created)
B) if(((ICommunicationObject)callback).State== CommunicationState.Opening)
C) if(((ICommunicationObject)callback).State== CommunicationState.Faulted)
D) if(((ICommunicationObject)callback).State== CommunicationState.Opened)

3. You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5. You write the following binding configuration. (Line numbers are included for reference only.)

You need to ensure that the client application can receive string values that contain a maximum of 5,000 characters.
Which configuration settings should you insert at line 04?

A) <readerQuotas maxStringContentLength="40000" />
B) <readerQuotas maxStringContentLength="5000" />
C) <readerQuotas maxStringContentLength="20000" />
D) <readerQuotas maxStringContentLength="10000" />

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize client applications. You write the following code segment:
class Store: IStore
{
public void RemoveOrder(int ordered)
{
} }
You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
What should you do?

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

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?