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

Exam Code: 70-503
Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
Updated: Oct 01, 2026
Q&As: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

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

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 client application will consume a COM+ application by using the Windows Communication Foundation service.
You write the following code segment to implement the COM+ application.

You need to configure the WCF service to access the COM+ application from the WCF client application.
Which code fragment should you use?

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

Reveal Solution Discussion 0

Correct Answer: C 🗳️

Question #2

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You configure a binding to enable streaming. You need to ensure that the client application is able to stream large XML files to the WCF service.
Which operation contract should you create?

A. [OperationContract]void UploadFile(Stream xmlData);
B. [OperationContract]void UploadFile(StreamWriter xmlData);
C. [OperationContract]void UploadFile(XmlWriter xmlData);
D. [OperationContractjvoid UploadFile(byte[] xmlData);

Reveal Solution Discussion 0

Correct Answer: A 🗳️

Question #3

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to programmatically add the following endpoint 49 http://www.abc.com definition to the service.
http://localhost:8000/ExamService/service Which code segment should you use?

A. Dim baseAddress As String = "http: //localhost:8000/ExamService"Dim bindingl As New BasicHttpBindingQUsing host As New ServiceHost(GetType (ExamService)) host.AddServiceEndpoint(GetType(IExam), bindingl, baseAddress)End Using
B. Dim baseAddress As String = "http: //localhost:8000/ExamService"Dim bindingl As New WSHttpBindingQUsing host As New ServiceHost(GetType (ExamService)) host.AddServiceEndpoint(GetType(IExam), bindingl, baseAddress)End Using
C. Dim baseAddress As String = _ "http: //localhost:8000/ExamService/service"Dim bindingl As New BasicHttpBindingQUsing host As New ServiceHost(GetType(ExamService)) host.AddServiceEndpoint(GetType(IExam), bindingl, baseAddress)End Using
D. Dim baseAddress As String = _"http: //localhost:8000/ExamService/service"Dim bindingl
As New NetTcpBindingQUsing host As New ServiceHost(GetType(ExamService))
host.AddServiceEndpoint(GetType(IExam),
bindingl, baseAddress)End Using

Reveal Solution Discussion 0

Correct Answer: C 🗳️

Question #4

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following binding configuration in the configuration file. (Line numbers are included for reference only.)
01 <wsHttpBinding>
02 <binding name="ssl">
04 </binding> 05 </wsHttpBinding>
You need to ensure that the following requirements are met:
Which configuration setting should you insert at line 03?

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

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 lines of code.

You need to define the metadata for the DoSomething operation contract so that the parameter element is named Input and the method output element is named Output.
Which code segment should you use to replace the existing operation contract?