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Microsoft 70-503 Exam Syllabus Topics:

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 B
B) Option D
C) Option C
D) Option A

2. You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the application.
You write the following code segment. (Line numbers are included for reference only.)
01 Public Class ()ueryAnalyzerService 02 Implements IQueryAnalyzerService, IDisposable
04 Public Sub Open() 05 ...
06 End Sub 07 Public Sub ExecuteSql(ByVal sql As String) 08...
09 End Sub
10 Public Sub Close()
11 ...
12 End Sub
13 Public Sub Dispose() Implements IDisposable.Dispose 14...
15 End Sub 16...
17 End Class
You need to ensure that each time a client application calls the Open0 method, a new service instance is created. Which code segment should you insert at line 03?

A) <OperationBehavior(AutoDisposeParameters:=True)> _
B) <OperationBehavior( _ ReleaselnstanceMode:=ReleaselnstanceMode.None)> _
C) <OperationBehavior(TransactionScopeRequired:=True)> _
D) <OperationBehavior(_ ReleaselnstanceMode:=ReleaselnstanceMode.BeforeCall>

3. You are creating an endpoint for a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the endpoint by using a custom binding. You write the following code segment.

You need to prevent the custom binding from making a persistent connection to the service endpoint.
Which code segment should you use?

A) Option B
B) Option D
C) Option C
D) Option A

4. You are creating a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The client application is used in Company A, and the service application is used in Company B.
Company A and company B have security token services named STS_A and STS_B respectively.
You need to authenticate the client application by using federated security.
Which combination of bindings should you use?

A) Option B
B) Option D
C) Option C
D) Option A

5. You create a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. The client application communicates with an existing Web service that requires custom HTTP headers. You need to ensure that all messages sent to the service include the headers.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.AddBindingParameters method.
B) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.AfterReceiveReply method.
C) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.BeforeSendRequest method.
D) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.ApplyClientBehavior method.

Solutions: