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Microsoft MCTS 70-503

70-503

Exam Code: 70-503

Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Updated: Oct 12, 2026

Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Topic 1: Windows Communication Foundation Fundamentals- Service contracts, data contracts, and message contracts
- Understanding WCF architecture and programming model
- Bindings, endpoints, and host configuration
Topic 2: Security, Transactions and Reliability- Transactions, concurrency and instance management
- Configuring security (transport and message level)
- Reliable messaging and error handling
Topic 3: Client Configuration and Communication- Channel factories and proxy generation
- Creating and configuring WCF client applications
- Bindings and interoperability considerations
Topic 4: 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

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

Question #1
You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

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


Question #2
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)

When you browse to the base address of the service, you receive the following message: "Metadata publishing for this service is currently disabled."
You debug the code and discover that the ServiceMetadataBehavior behavior was previously nonexistent. You need to enable metadata publishing.
What should you do?

A. Insert the following code segment at line 19. smb.HttpGetEnabled=true;
B. Insert the following code segment at line 11. smb.HttpGetEnabled=true;
C. Delete lines 15 and 16.
D. Modify the code segment at line 03 in the following manner. Uri mexAddress=neUri("/service");


Question #3
You are creating a distributed application by using Microsoft .NET Framework 3.5.
The application uses Windows Communication Foundation (WCF). The distributed application provides point-to-point security.
You need to ensure that the distributed application provides end-to-end security instead of point-to-point security.
Which binding mode should you use?

A. netNamedPipeBinding with Transport security
B. wsHttpBinding with Message security
C. wsHttpBinding with Transport security
D. netTcpBinding with Transport security


Question #4
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 D
B. Option C
C. Option A
D. Option B


Question #5
How do you ensure Clipboard content is available if Service or client application is restarted?

A. Do a Copy() and Paste() to a local file, then when the service is restarted, read text from the local file.
B. Increase session timeout to 60 minutes
C. Apply [DurableService] attribute to service and [DurableOperation] to each method.
D. Modify service to use [ServiceBehavior(InstanceContextMode=InstanceContextMode. Single)]


Solutions:

Question #1
Correct Answer: D
Question #2
Correct Answer: A
Question #3
Correct Answer: B
Question #4
Correct Answer: A
Question #5
Correct Answer: C

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