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Microsoft 070-513 Exam Syllabus Topics:

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

1. A Windows Communication Foundation (WCF) service has a callback contract. You are developing a client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?

A) On the client, create a proxy derived from DuplexClientBase(Of TChannel).
B) On the client, use GetCallbackChannel (Of T).
C) On the OperationContractAttribute, set the AsyncPattern property value to True.
D) On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.

2. You are developing a Windows Communication Foundation (WCF) service that will be hosted in Microsoft Internet Information Services (IIS) 7.0.
The service must be hosted in an IIS application named Info. You need to enable this service to be hosted in IIS by changing the web.config file.
Which XML segment should you add to the web.config file

A) < serviceHostingEnvironment >
< serviceActivations >
<add relativeAddress ="Info" service=" Info.svc " />
</ serviceActivations >
</ serviceHostingEnvironment >
B) < serviceHostingEnvironment >
< transportConfigurationTypes >
<add name="Info" transportConfigurationType =" Info.svc " />
</ transportConfigurationTypes >
</ serviceHostingEnvironment >
C) < serviceHostingEnvironment >
< transportConfigurationTypes >
<add name=" Info.svc " transportConfigurationType =" FileNotRequired " />
</ transportConfigurationTypes >
</ serviceHostingEnvironment >
D) < serviceHostingEnvironment >
< serviceActivations >
<add relativeAddress =" Info.svc " service="Info" />
</ serviceActivations >
</ serviceHostingEnvironment >

3. A Windows Communication Foundation (WCF) client uses the following service contract. (Line numbers are included for reference only.)
01 [ServiceContract] 02 public interface IService 03 ( 04 [OperationContractj 05 string Operation1O; 06 [OperationContract] 07 string Operation2(), 08)
You need to ensure that all calls to Operation 1 and Operation2 from the client are encrypted and signed.
What should you do?

A) Set the ProtectionLevel property in line 01 to EncryptAndSign.
B) Add a SecunitySafeCriticalAttribute for each operation.
C) Add a SecurityCriticalAttribute ror each operation.
D) Set the ProtectionLevel property in line 04 and line 06 to Sign.

4. A Windows Communication Foundation (WCF) solution uses the following contracts. (Line numbers are included for reference only.)

When the client calls GetMessage on the service interface, the service calls GetName on the client callback.
In the client, the class NameService implements the callback contract.
The client channel is created as follows.

You need to ensure that the service callback is processed by the instance of NameService.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A) Add the following code segment after line 26.
callbackContext.OutgoingChannels.Add(
DirectCast(greetingService, IDuplexChannel))
B) Change line 25 to the following code segment.
Dim factory As DuplexChannelFactory(Of IGreetingService) =
New DuplexChannelFactory(Of IGreetingService)(
callbackContext, binding, address)
C) Change line 26 to the following code segment.
Dim greetingService As IGreetingService =
factory.CreateChannel(callbackContext)
D) Add the following code segment after line 26.
callbackContext.IncomingChannels.Add(
DirectCast(greetingService, IDuplexChannel))

5. You create a service and deploy it on a network in a building named Building1. You will deploy the service to Building2.
The service in Building1 is configured using the following discovery scopes.
<scopes>
<add
scope="http://contoso.com/Chicago/Building1"/>
<add
scope="ldap:///ou=Building1,ou=Chicago,o=contoso,c=us"/>
</scopes>
The service in Building2 will be configured using the following discovery scopes.
<scopes>
<add
scope="http://contoso.com/Chicago/Building2"/>
<add
scope="ldap:///ou=Building2,ou=Chicago,o=contoso,c=us"/>
</scopes>
You need to ensure that the client application can discover the service in Building1 or the service in Building2.
Which scopes should you add to the client configuration file?

A) <scopes>
<add scope="http://contoso.com/Chicago"/>
</scopes>
B) <scopes>
<add
scope="ldap:///ou=*,o=contoso,c=us"/> </scopes>
C) <scopes>
<add
scope="ldap:///ou=Building,ou=Chicago,o=contoso,c=us"/>
</scopes>
D) <scopes>
<add scope="http://contoso.com/Chicago/*"/>
</scopes>

Solutions: