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Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
- Exam Code: 70-503
- Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
- Updated: Sep 08, 2026 Q&As: 270 Questions and Answers
About Microsoft 70-503 Exam
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Microsoft 70-503 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Securing Services | 18% | - Configure transport security - Configure authorization - Configure authentication - Configure message security |
| Topic 2: Consuming Services | 18% | - Create service proxies - Implement asynchronous calls - Configure client endpoints and bindings - Handle communication exceptions |
| Topic 3: Exposing and Configuring Services | 21% | - Configure service endpoints - Configure service behaviors - Configure service hosting - Configure bindings |
| Topic 4: Hosting and Managing Services | 13% | - Manage service instances and concurrency - Host services in managed applications - Create custom behaviors - Host services in IIS/WAS |
| Topic 5: Instrumenting and Administering Services | 11% | - Enable message logging - Implement service tracing - Implement service throttling - Configure performance counters |
| Topic 6: Creating Services | 19% | - Process generic messages - Define service contracts - Define message contracts - Define operation contracts - Define data contracts |
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. 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 B
- D. Option C
Answer: D
Question #2
You create a stateless, thread-safe service by using Microsoft .NET Framework 3.5.
You use the Windows Communication Foundation model to create the service. Load testing reveals that the service does not scale above 1,000 concurrent users. You discover that each call to the service instantiates a new service instance. You also discover that these service instances are expensive to create. You need to ensure that 5,000 concurrent users can access the service.
Which code segment should you use?
- A. <ServiceBehavior(_ lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
- B. <ServiceBehavior(_
lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _ - C. <ServiceBehavior(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _
- D. <ServiceBehavior(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
Answer: A
Question #3
You are creating a client application by using Microsoft .NET Framework 3.5. The
application consumes an ASMX Web service.
You need to configure the binding to call the methods of the ASMX Web service.
Which binding should you use?
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Answer: A
Question #4
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 B
- D. Option C
Answer: C
Question #5
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the service can send data in the following format to the client applications.
<Account ld="">
<Name> </Name>
<Balance Currency=""> </Balance> </Account>
Which code segment should you use?
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Answer: D
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