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| Section | Objectives |
|---|---|
| Topic 1: Security, Transactions and Reliability | - Reliable messaging and error handling - Configuring security (transport and message level) - Transactions, concurrency and instance management |
| Topic 2: Windows Communication Foundation Fundamentals | - Bindings, endpoints, and host configuration - Understanding WCF architecture and programming model - Service contracts, data contracts, and message contracts |
| Topic 3: Service Implementation and Hosting | - Hosting WCF services in managed applications, IIS and WAS - Configuring service behavior and metadata exposure - 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 |
1. You create a service by using Microsoft .NET Framework 3.5. You use Windows
Communication Foundation to create the service.
You use the WSHttpBinding binding to prevent tampering of the data. Users report that the
data is unreadable.
You need to troubleshoot the problem by logging the incoming messages. Which code fragment should you use?
A) Option B
B) Option D
C) Option A
D) Option C
2. You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5.
The client application consumes the Web Services Enhancements (WSE) 3.0 Web service.
The Web service uses standard WSE 3.0 to transfer binary data to the client application.
The client application uses the following binding configuration.
(Line numbers are included for reference only.)
You need to ensure that the client application receives binary data from the WSE 3.0 Web service.
Which code fragment should you insert at line 03?
A) Option B
B) Option D
C) Option A
D) Option C
3. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You add the following code segment to the service.
You add the following code segment to the client application. 01 public double PerformCalculations (double num1, double num2) 02 {
04 }
You need to ensure that the DisposeCalculator operation is always called. Which code segment should you insert at line 03?
A) Option B
B) Option D
C) Option A
D) Option C
4. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
You need to ensure that concurrent calls are allowed on the service instance.
Which code segment should you insert at line 07?
A) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=false)]
B) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=true)]
C) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=true)]
D) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=false)]
5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment for the service implementation.
(Line numbers are included for reference only.)
01 public void PutMessage(Message msg)
02 {
03 string value=null;
05 }
You need to retrieve the content from the received message body and store it in the variable named value. Which code segment should you insert at line 04?
A) Option B
B) Option D
C) Option A
D) Option C
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B |
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