- Exam Code: 70-503
- Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
- Updated: Sep 16, 2026
- Q & A: 270 Questions and Answers
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation : 70-503 exam
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Microsoft 70-503 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exposing and Configuring Services | 21% | - Configure service endpoints - Configure bindings - Configure service hosting - Configure service behaviors |
| Creating Services | 19% | - Process generic messages - Define data contracts - Define message contracts - Define operation contracts - Define service contracts |
| Consuming Services | 18% | - Configure client endpoints and bindings - Implement asynchronous calls - Create service proxies - Handle communication exceptions |
| Securing Services | 18% | - Configure authentication - Configure authorization - Configure transport security - Configure message security |
| Hosting and Managing Services | 13% | - Manage service instances and concurrency - Create custom behaviors - Host services in managed applications - Host services in IIS/WAS |
| Instrumenting and Administering Services | 11% | - Implement service throttling - Enable message logging - Implement service tracing - Configure performance counters |
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.
The service contains the following code segment
[ServiceContract]
public interface IMyService
{
[OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();
}
You need to ensure that the DoSomething operation can participate in transactions.
Which code segment should you use to replace the existing operation contract?
- A. [OperationContract(ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething(); - B. [OperationContract(IsOneWay=true,
ProtectionLevel=ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething(); - C. [OperationContract(ProtectionLevel= ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.NotAllowed)]
void DoSomething(); - D. [OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.Sign)]
[TransactionFlow(TransactionFlowOption.Mandatorv)]
void DoSomething();
Correct Answer: A 🗳️
Question #2
You are creating a Windows Communication Foundation application by using Microsoft .NET Framework 3.5. The application must consume an ATOM 1.0 feed published at http://localhost:8000/BlogService/GetBlog. You write the following code segment. (Line numbers are included for reference only.)
You need to ensure that the application prints the title of the feed.
Which code segment should you insert at the line 02?
- A. Dim feed As SyndicationFeed = New SyndicationFeed()
feed.BaseUri = address - B. Dim feed As SyndicationFeed = SyndicationFeed.Load(address)
- C. Dim item As Syndicationltem = SyndicationItem.Load(address)
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item} - D. Dim item As New SyndicationItem()
item.BaseUri = address
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item}
Correct Answer: B 🗳️
Question #3
You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5.
The client application consumes the Web Services Enhancements (WSE) 3.0 Web service.
The Web service uses standard WSE 3.0 to transfer binary data to the client application.
The client application uses the following binding configuration.
(Line numbers are included for reference only.)
You need to ensure that the client application receives binary data from the WSE 3.0 Web service.
Which code fragment should you insert at line 03?
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Correct Answer: A 🗳️
Question #4
You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application consists of the following components:
An ASP.NET Web application that is deployed on a Web server named WEB1 An ASMX Web service that is deployed on an application server named APP1 A Microsoft SQL Server database that is deployed on a database server named SQL1 The ASP.NET application connects to an ASMX Web service. The APP1 server hosts several ASMX Web service applications. The ASMX Web service stores and retrieves data from SQL1.
You need to ensure that the secure communication strategy meets the following requirements:
The communication configuration between WEB1 and APP1 must be secured without other applications being affected. Server authentication and data encryption must be performed between APP1 and SQL1. Which two secure communication protocols should you use? (Each correct answer presents part of the solution. Choose two.)
- A. Use Remote Procedure Call encryption between WEB1 and APP1.
- B. Use Internet Protocol Security between WEB1 and APP1.
- C. Use Secure Sockets Layer between WEB1 and APP1.
- D. Use Remote Procedure Call encryption between APP1 and SQL1.
- E. Use Internet Protocol Security between APP1 and SQL1.
- F. Use Secure Sockets Layer between APP1 and SQL1.
Correct Answer: C,E 🗳️
Question #5
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
You need to ensure that concurrent calls are allowed on the service instance.
Which code segment should you insert at line 07?
- A. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=false)]
- B. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=true)]
- C. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=false)]
- D. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=true)]
Correct Answer: A 🗳️
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