Microsoft 070-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

070-503 real exams

Exam Code: 070-503

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

Updated: Jun 02, 2026

Q & A: 270 Questions and Answers

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

1. 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 08?

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


2. You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The application uses the XML data format to exchange data with the service.
You plan to change the data format to JavaScript Object Notation (JSON).
You need to ensure that the client application can access the JSON WCF service.
What should you do?

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


3. You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows
Communication Foundation model to create the application. You write the following code segment. (Line numbers are included for reference only.)
01 public class QueryAnalyzerService :
02 IQueryAnalyzerService, IDisposable {
04 public void Open() {
05}
06 public void ExecuteSql(string sql) {
07...
08!
09 public void Close() {
10...
11}
12 public void Disposed
13...
14}
15...
16}
You need to ensure that each time a client application calls the Open0 method, a new service instance is created. Which code segment should you insert at line 03?

A) [OperationBehavior( TransactionScopeRequired=true)]
B) [OperationBehavior( ReleaselnstanceMode=ReleaselnstanceMode.None)]
C) [OperationBehavior( ReleaselnstanceMode=ReleaselnstanceMode.BeforeCall))
D) [OperationBehavior( AutoDisposeParameters=true)]


4. You want to upgrade a ASMX webservice to WCF, but you want to support legacy client applications.
<some code here>
What code do you use to transfer binary data from the server to the client?

A) BindingElement encoding = new TextMessageEncodingBindingElement (Soap12WSAddressingAugust2004..)
B) BindingElement encoding = new BindingElement()
C) BindingElement encoding = new TextMessageEncodingBindingElement(MessageVersion.Soap11.....)
D) BindingElement encoding = new MtomMessageEncodingBindingElement(.....)


5. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)
01 public interface IMyService
02{
04 string ProcessString(string name);
05}
You create a host for the WCF service. You also create a service endpoint at http://localhost:8080/service. You add an instance of the HttpTransferEndPointBehavior class to the host.
You need to ensure that the ProcessString method can be invoked from a Web browser by using the URL http://localhost:8080/service/process? name=value.
Which code segment should you insert at line 03?

A) [OperationContract][WebGet(UriTemplate = "process?name={name}")]
B) [OperationContract(Name="process", Action="Post")]
C) [OperationContract(Name="process", Action="Get")]
D) [OperationContract][Weblnvoke(UriTemplate = "process?name={name}")]


Solutions:

Question # 1
Answer: C
Question # 2
Answer: A
Question # 3
Answer: C
Question # 4
Answer: A
Question # 5
Answer: A

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