Microsoft 70-513

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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are creating a Window s Communication Foundation (WCF) service application. The
application needs to service many clients and requests simultaneously. The application also needs to ensure subsequent individual client requests provide a stateful conversation.
You need to configure the service to support these requirements.
Which attribute should you add to the class that is implementing the service?

A) [ ServiceBehavior ( InstanceContextMode =
InstanceContextMode.PerSession,
ConcurrencyMode = ConcurrencyMode.Multiple )]
B) [ ServiceBehavior ( InstanceContextMode =
InstanceContextMode.PerCall,
ConcurrencyMode = ConcurrencyMode.Multiple )]
C) [ ServiceBehavior ( InstanceContextMode =
InstanceContextMode.PerCall,
ConcurrencyMode = ConcurrencyMode.Reentrant )]
D) [ ServiceBehavior ( InstanceContextMode =
InstanceContextMode.PerSession,
ConcurrencyMode = ConcurrencyMode.Single )]

2. A Windows Communication Foundation (WCF) service listens for messages at net
tcpilwwwcontoso.comMMyService.
It has a logical address at http/Iwwwcontosocorn)MyService
The configuration for the WCF client is as follows
<endpoint addressrhTttpllwwwcontosocom/MyService"
bindinge"netTc pBinding"
bindingConfiguraton-NetTc pBinding_lMyService
contract="ServiceReference 1. IMyServce'
name='NetTcpBinding_lllyService"/>v
The generated configuration does not provide enough information for the client to communicate with the server.
You need to update the client so that it can communicate with the server what should you do

A) In the client configuration. Change the value of the address attribute to nettcp:/Iwwwcontosocom/MyService
B) After instantiating the client and before invoking any service operation, add this line of code. client. Endpoint BehaviorsAdd( new Client ViaBehavior( new Uhcnet.tc pifwww.contoso. comiIMyService)))
C) After instantiating the client and before invoking any service operation, add this line of code client Endpoint BehaviorsAdd( new EndpointDiscoveryBehawior0{ Enabled true });
D) In the client configuration, change the value of the address attribute to net.tcp:Ilwwwcontosocom/MyServicellisten=http:/Iwwwcontosocom/MyService.

3. DRAG DROP
You have a client application that uses an existing Windows Communication Foundation (WCF) service. The client application contains a defined EndpointAddress object named endpointAddress.
A class named ServiceClient is generated by using the Svcutil tool to invoke the WCF service. Instances of the ServiceClient class are created as follows:
ServiceClient client = new ServiceClient(CreateBinding(), endpointAddress);
The client application must meet the following requirements:
- Optimize message-level security when transporting both text files and large files. - Provide transport-level security by using the HTTPS protocol.
You need to create the code for the CreateBinding() method.
Which four code segments should you use in sequence? (To answer, move the appropriate four code segments from the list of code segments to the answer area and arrange them in the correct order.)

4. You are developing a client application that uses the following code to consume a Windows Communication Foundation (WCF) service. (Line numbers are included for reference only.)
01 BasicHttpBinding myBinding = new BasicHttpBinding(); 02 EndpointAddress myEndpointAddress = new EndpointAddress( "http://contoso.com/TaxService.svc");
04 ITaxService client = channelFactory.CreateChannel();
05 string data = client.GetData(1);
You need to consume the service.
Which code segment should you insert at line 03?

A) var channelFactory = new ChannelFactory<ITaxService>( "http://contoso.com/TaxService.svc");
B) var channelFactory = new ChannelFactory<ITaxService>( myBinding, myEndpointAddress);
C) var channelFactory = new ChannelFactory<ITaxService>( myBinding);
D) var channelFactory = new ChannelFactory<ITaxService>();

5. You develop a Windows Communication Foundation (WCF) service that contains the following code segment. (Line numbers are included for reference only.)

You need to ensure that all service endpoints are available to client applications. Which code segment should you insert at line 04?

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

Solutions: