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

  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: May 28, 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 have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.

You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?

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


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


3. You are creating a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5. The service has a contract named IMyService.
You need to ensure that the service uses an XMLSerializer object.
Which code segment should you use?

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


4. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
These applications transmit confidential data to the WCF service. You write the following binding configuration.
....
<binding name="TransportSecurity" >
<security mode="Transport" />
</binding>
...
You need to configure the service for optimum interoperability and optimum security.
Which code fragment should you use?

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


5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.

You need to ensure that the service meets the following requirements:
Which code segment should you use to replace the existing code segment?

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


Solutions:

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

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