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

  • Exam Code: 070-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: Sep 12, 2026
  • Q & A: 270 Questions and Answers

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Microsoft 070-503 Exam Syllabus Topics:

SectionObjectives
Security, Transactions and Reliability- Reliable messaging and error handling
- Configuring security (transport and message level)
- Transactions, concurrency and instance management
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- Configuring service behavior and metadata exposure
- Implementing service contracts in C# using .NET Framework 3.5
- Hosting WCF services in managed applications, IIS and WAS
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:

Question #1

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that the service logs only messages that do not conform to the message contract.
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. The WCF service will validate certificates to authorize client applications. You write the following code segment:
class Store: IStore
{
public void RemoveOrder(int ordered)
{
} }
You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
What should you do?

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #3

You are creating a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5.
The service will be hosted in a Windows Service environment. You need to create a Windows Service class that instantiates a service host.
Which code segment should you use?

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

You are creating a distributed application by using Microsoft .NET Framework 3.5. The application uses Windows Communication Foundation.
The client applications require the users to provide a user name and a password.
You need to ensure that the server authenticates the client applications by verifying user names and passwords.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Question #5

Your company has a set of e-commerce services that were created by using Microsoft .NET Framework 3.5. The Windows Communication Foundation model was used to create the services.
The services include a catalog and a shopping cart that are deployed to the same physical server. The catalog is a stateless, single-instance service. The shopping cart is a reentrant, per-session service.
The catalog service contains the following code fragment.

The shopping cart service contains the following code fragment.

During peak hours, the number of simultaneous catalog requests increase. This prevents customers from updating their shopping carts. You need to ensure that the customers can update their shopping carts even during peak catalog request traffic.
Which set of code fragments should you use to replace the existing code fragments?

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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