Try Microsoft : 70-503 valid & accurate questions and answers
Updated: Jul 23, 2026
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Microsoft 70-503 Exam Overview:
| Certification Vendor: | Microsoft |
| Exam Name: | TS: Microsoft .NET Framework 3.5, Windows Communication Foundation |
| Exam Number: | 70-503 |
| Passing Score: | 700 (on a scale of 1000) |
| Available Languages: | English, Japanese, Simplified Chinese, German, French |
| Related Certifications: | MCTS: .NET Framework 3.5 |
| Exam Price: | USD 125 (varies by region) |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | Retired (no longer available; certification previously did not expire formally but is now discontinued) |
| Real Exam Qty: | Approximately 40–60 |
| Exam Format: | Multiple choice, Multiple response, Case studies, Scenario-based questions |
| Recommended Training: | Official .NET Framework 3.5 Documentation |
| Sample Questions: | Microsoft 70-503 Sample Questions |
| Exam Way: | Computer-based exam delivered via authorized testing centers (Prometric/Vue historically, now retired). |
| Pre Condition: | Recommended: basic understanding of C# and .NET Framework 3.5. Prior experience with distributed applications is helpful. |
Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security in WCF Services | - Authentication and authorization
|
| Topic 2: Configuring and Hosting WCF Services | - Service configuration
|
| Topic 3: WCF Bindings and Messaging | - Message patterns
|
| Topic 4: Client Configuration and Consumption | - Service consumption
|
| Topic 5: Designing and Developing WCF Services | - Service implementation
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
1. 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 D
B) Option A
C) Option C
D) Option B
2. 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 A
C) Option C
D) Option B
3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment to create a service contract. (Line numbers are included for reference only.)
You need to ensure that the client applications always use a binding that supports sessions.
Which code segment should you insert at line 01?
A) [ServiceContract(ProtectionLevel= ProtectionLevel.EncryptAndSign) ]
B) [ServiceContract(SessionMode=SessionMode.Required) ]
C) [ServiceContract(SessionMode=SessionMode.Allowed) ]
D) [ServiceContract(ProtectionLevel= ProtectionLeve1.EncryptAndSign, SessionMode=SessionMode.Allowed)]
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) Option D
B) Option A
C) Option C
D) Option B
5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be exposed for consumption. You need to ensure that the service supports interoperability with the broadest possible number of Web Service toolkits. The service must also support transport-level security. Which configuration setting should you use?
A) Option D
B) Option A
C) Option C
D) Option B
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |
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