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Microsoft 070-503 Exam Syllabus Topics:

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 service receives automation commands for a factory robot.
You need to ensure that the robot receives the commands in the same order as they are transmitted.
Which binding element should you use?

A) <compositeDuplex/>
B) <security/>
C) <reliableSession/>
D) <transactionFlow/>

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted on a Web server. You add the following code fragment to the .svc file. <% @ServiceHost Factory="ExamServiceFactory" Service="ExamService" %>
You need to create the 3 instances of the services by using the custom ExamServiceFactory class.
Which code segment should you use?

A) public class ExamServiceFactory : ServiceHostj public ExamServiceFactory(Type
serviceType, params Uri[] baseAddresses): base(serviceType, baseAddresses) {
//Implementation code comes here. }}
B) public class ExamServiceFactory : ServiceHostBasej protected override void
ApplyConfigurationQ {//Implementation code comes here. }}
C) public class ExamServiceFactory : ServiceHostj protected override void
ApplyConfigurationO {
//Implementation code comes here. }}
D) public class ExamServiceFactory : ServiceHostFactoryj protected override ServiceHost
CreateServiceHost(Type serviceType, Uri[] baseAddresses) {//Implementation code
comes here.}

3. You are creating a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation to create the application. You plan to perform the following tasks:
You write the following code segment.

You need to ensure that only those client applications that provide credentials belonging to the AdminGroup role can access the Remove method. What should you do?

A) Add the following attribute to the Service class. [PrincipalPermission(SecurityAction.Demand, Name="Remove", Role="AdminGroup")]
B) Add the following attribute to the Remove method of the IService interface. [PrincipalPermission(SecurityAction. Demand, Role="AdminGroup")]
C) Add the following attribute to the Remove method of the Service class. [PrincipalPermission(SecurityAction. Demand, Role="AdminGroup")]
D) Add the following attribute to the Service class. [PrincipalPermission(SecurityAction. Demand, Name="IService. Remove", Role="AdminGroup")]

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to host the WCF service on the IIS Web server.
First, you create a new folder for your application files. Next, you use the IIS management tool to create a Web application in the new folder.
Which three actions should you perform next? (Each correct answer presents part of the solution. Choose three.)

A) Create a service file that has the .svc extension containing the @servicehost directive information for the service. Move this file to the application folder.
B) Create a web.config file that contains the appropriate configuration code. Place this file in the application folder.
C) Create a vti_bin sub-folder within the application folder for your code files. Place the code file that defines and implements the service contract in this folder.
D) Create an App_Code sub-folder within the application folder for your code files. Place the code file that defines and implements the service contract in this folder.
E) Create a web.config file that contains the appropriate configuration code. Place this file in the same folder as your service contract code.
F) Create a service file that has the svc extension containing the @service directive information for the service. Move this file to the application folder.

5. 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( lnstanceContextMode=lnstanceContextMode. Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]
B) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Multiple)]
C) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Reentrant)]
D) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]

Solutions: