Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Exam Code: 70-503

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

Updated: Sep 14, 2026

Q & A: 270 Questions and Answers

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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: Windows Communication Foundation Fundamentals	- Understanding WCF architecture and programming model - Service contracts, data contracts, and message contracts - Bindings, endpoints, and host configuration
Topic 3: Client Configuration and Communication	- Creating and configuring WCF client applications - Bindings and interoperability considerations - Channel factories and proxy generation
Topic 4: Service Implementation and Hosting	- Configuring service behavior and metadata exposure - Hosting WCF services in managed applications, IIS and WAS - Implementing service contracts in C# using .NET Framework 3.5

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

Question #1

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to host the service in a medium trust environment on a Web server.
Which two bindings should you use? (Each correct answer presents a complete solution. Choose two.)

A. WSDualHttpBinding
B. NetMsmqBinding
C. BasicHttpBinding
D. NetTcpBinding
E. WebHttpBinding

Reveal Solution Discussion 0

Correct Answer: C,E 🗳️

Question #2

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will authenticate the client applications by using Personal Information Cards. You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that only those client applications that provide a valid e-mail address can execute the Update method. Which code segment should you insert at line 15?

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

Reveal Solution Discussion 0

Correct Answer: B 🗳️

Question #3

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

You need to ensure that the DoSomething operation is executed by a single thread at a time.
What are two possible service implementations you should use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

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

Reveal Solution Discussion 0

Correct Answer: C,D 🗳️

Question #4

You are creating a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The distributed application contains client applications and a WCF service.
The client applications send e-mail address claims to the WCF service. The custom authorization manager of the service examines whether the claims are of the type "http://contoso.com/ClaimTypes/UserStatus".
You write the following code segment. (Line numbers are included for reference only.)

You need to map the claim types that are provided by the client applications to the claim types that are expected by the custom authorization manager of the service.
Which code segment should you insert at line 17?

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

Reveal Solution Discussion 0

Correct Answer: A 🗳️

Question #5

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code fragment for the configuration setting. (Line numbers are included for reference only.)
01 <wsHttpBinding>
02 <binding name="simple">
04 </binding>
05 </wsHttpBinding>
You need to ensure that the service uses transport security and allows access to anonymous client applications. Which code fragment should you insert at line 03?

A. <security mode="Transport" > transport clientCredentialType="None" /></security>
B. <security mode="Transport" > transport clientCredentialType="Basic" /></security>
C. <security mode="Transport" > <message clientCredentialType="Certificate"></security>
D. <security mode="Transport" > <message clientCredentialType="None"></security>

Reveal Solution Discussion 0

Correct Answer: A 🗳️

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Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

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Microsoft 70-503 Exam Syllabus Topics:

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

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