A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.) 01 static void Main(string[] args) 02 { 03 ServiceHost host; 04 ... 05 host.Open( ); 06 Console.ReadLine( ); 07 host.Close( ); 08 } You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?()
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 lIS application named Info. You need to enable this service to be hosted in llS by changing the web.config file.Which XML segment should you add to the web.config file?()
You are hosting a Windows Communication Foundation (WCF) service at http://www.contoso.com for a law enforcement agency.The agency adds operations to support sending biometric fingerprint data via non-buffered streaming.The service data is routed between intermediaries. The WCF binding you are using by default does not support encryption.You need to ensure that the fingerprint data is not disclosed when passed over the network. What should you do?()
A Windows Communication Foundation (WCF) service is deployed with netTcpBinding. This service uses a duplex message exchange pattern.You are developing the next version of the WCF service. You discover that your company's hardware load balancer performs correctly only for WCF services that use HTTP. You need to ensure that your service works with the load balancer. What should you do?()
You are developing a Windows Presentation Foundation (WPF) application. The application contains stylized body text and heading text. The heading text is a slight variation of the body text. You need to ensure that if the body text changes, the heading text automatically inherits those changes. What should you do ?()
You are developing a Windows Presentation Foundation (WPF) application The application is for commercial use and requires a valid license key to be entered. You create a project type of Class Library code to validate license keys You need to ensure that the user enters a valid license key during installation of the software. Which deployment should reference the class library?()
You are developing a Windows Communication Foundation (WCF) service. The service configuration file has a element defined. You need to ensure that all security audit information, trace logging, and message logging failures are recorded. Which configuration segment should you add to the element?()
You are developing a Windows Communication Foundation (WCF) service that returns location information for authorized law enforcement agencies. The service contract is as follows: [ServiceContract] public interface IMappingService { [OperationContract] long[] GetLocationCoordinates(String cityName); [OperationContract] long[] GetLocationOfCitizen(String ssn); } Users are authenticated and impersonated. The system uses ASP.NET roles. The members of law enforcement are members of the LawEnforcement role. You need to ensure that only members of the LawEnforcement role can call these methods. What are two possible ways to achieve this goal?() (Each correct answer presents a complete solution. Choose two.)
You want to debug the Windows Communication Foundation (WCF) client and server interaction through message and application tracing.You need to correlate traces generated on the client and the server. Which XML segment should you add to the system.diagnostics configuration element in the client and server application configuration file?()
You are developing a Windows Communication Foundation (WCF) service that reads messages from a public non-transactional MSMQ queue.You need to configure the service to read messages from the failed-delivery queue.Which URI should you specify in the endpoint configuration settings of the service?()