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

70-503 real exams

Exam Code: 70-503

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

Updated: Aug 03, 2026

Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Windows Communication Foundation Fundamentals- Understanding WCF architecture and programming model
- Bindings, endpoints, and host configuration
- Service contracts, data contracts, and message contracts
Service Implementation and Hosting- Hosting WCF services in managed applications, IIS and WAS
- Configuring service behavior and metadata exposure
- Implementing service contracts in C# using .NET Framework 3.5
Security, Transactions and Reliability- Configuring security (transport and message level)
- Reliable messaging and error handling
- Transactions, concurrency and instance management
Client Configuration and Communication- Bindings and interoperability considerations
- Creating and configuring WCF client applications
- Channel factories and proxy generation

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

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted in a Console application.
You need to configure the service by using a configuration file other than the default app.config file. Which code segment should you use?

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


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 item As Syndicationltem = SyndicationItem.Load(address)
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item}
C) Dim feed As SyndicationFeed = SyndicationFeed.Load(address)
D) Dim item As New SyndicationItem()
item.BaseUri = address
Dim feed As New SyndicationFeed()
feed.Items = New Syndicationltem() {item}


3. You are creating a distributed application by using Microsoft .NET Framework 3.5.
You use Windows Communication Foundation (WCF) to create the application. The operations provided by the WCF server use the remote resources of other computers.
These methods use the credentials provided by the client applications. You need to ensure that the WCF server can impersonate the client applications to access the remote resources.
Which client application settings should you use?

A) <windows allowedlmpersonationLevel="lmpersonation" allowNtlm="false"/>
B) <windows allowedlmpersonationl_evel="lmpersonation"/>
C) <windows allowedlmpersonationLevel="Delegation"/>
D) <windows allowedlmpersonationl_evel="ldentification"/>


4. 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) <DataContract()> _
Public Class Customer
Public Property Id() As Integer
...
End Property
Public Property Name() As String
...
End Property
Private Property BalanceDue() As Double
...
End Property
End Class
B) <DataContract()> _ Public Class Customer <DataMember(EmitDefaultValue:=True)> _ Public Property Id() As Integer ... End Property <DataMember(EmitDefaultValue:=True)> _ Public Property Name() As String ... End Property <DataMember()> _ Friend Property BalanceDue() As Double ... End Property End Class
C) <DataContract()> _ Public Class Customer <DataMember()> _ Public Property Id() As Integer ... End Property <DataMember()> _ Public Property Name() As String ... End Property <DataMember(EmitDefaultValue:=False)> _ Public Property BalanceDue() As Double ... End Property End Class
D) <DataContract()> _
Public Class Customer
<DataMember()> _
Private Property Id() As Integer
...
End Property
<DataMember()> _
Public Property Name() As String ... End Property Public Property BalanceDue() As Double ... End Property End Class


5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment to define the service. (Line numbers are included for reference only.)

You need to set the ServiceContract attribute for the transaction behavior of the service. Which code segment should you insert at line 01?

A) <ServiceContract(SessionMode:=SessionMode.Required)> _
B) <ServiceContract(SessionMode:=SessionMode.Allowed)> _
C) <ServiceContract(SessionMode:=SessionMode.NotAllowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _
D) <ServiceContract(SessionMode:=SessionMode.Allowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _


Solutions:

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

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