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Updated: Jul 31, 2026
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Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Windows Communication Foundation Fundamentals | - Bindings, endpoints, and host configuration - Understanding WCF architecture and programming model - Service contracts, data contracts, and message contracts |
| Topic 2: Security, Transactions and Reliability | - Transactions, concurrency and instance management - Reliable messaging and error handling - Configuring security (transport and message level) |
| Topic 3: Service Implementation and Hosting | - Configuring service behavior and metadata exposure - Hosting WCF services in managed applications, IIS and WAS - Implementing service contracts in C# using .NET Framework 3.5 |
| Topic 4: Client Configuration and Communication | - Channel factories and proxy generation - Bindings and interoperability considerations - Creating and configuring WCF client applications |
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
1. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
The svcutil.exe tool generates the following two files from the metadata:
You need to ensure that the configuration file is merged with an existing app.config file.
Which command should you use?
A) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config
B) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
C) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
D) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig
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(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
B) <ServiceBehavior(_
lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _
C) <ServiceBehavior(_ lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
D) <ServiceBehavior(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _
3. You are creating a client application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The client application uses a Personal Information Card to provide authentication information to the WCF server. You write the following code fragment. (Line numbers are included for reference only.)
You need to ensure that one of the claims in the Personal Information Card contains an e-mail address.
Which code fragment should you insert at line 05?
A) Option B
B) Option D
C) Option A
D) Option C
4. 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 B
B) Option D
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 binding configuration in the configuration file. (Line numbers are included for reference only.)
01 <wsHttpBinding>
02 <binding name="ssl">
04 </binding> 05 </wsHttpBinding>
You need to ensure that the following requirements are met:
Which configuration setting should you insert at line 03?
A) Option B
B) Option D
C) Option A
D) Option C
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: D |
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