考题
You are developing a Windows Communication Foundation (WCF) service that will be hosted in Microsoft Internet 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.Witch XML segment should you add to the web.config file?()A.B.C.D.
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You are developing a Windows Service. The Windows Service will host a Windows Communication Foundation (WCF) service.The Windows Service class will inherit from ServiceBase.You need to ensure that the WCF service starts when the Windows Service is restarted.What should you do in the Windows Service class?()A.B.C.D.
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You are developing an application that performs file backups in the background. The background application will host a Windows Communication Foundation (WCF) service and must be active as soon as the machine is running. The background application will not have a user interface. A front-end application will consume the WCF service and will provide the user interface.You need to choose a host environment for the WCF service.Which hosting environment should you choose? ()A. Microsoft Internet Information Services (IIS) 6.0B. Windows Process Activation Services (WAS)C. A Windows Forms applicationD. A Windows Service
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You are creating an application that consumes a Windows Communication Foundation (WCF) service. The service implements the IService contract. The client application contains the CallbackHandler class, which implements IServiceCallback.You need to ensure that a client proxy is created that can communicate with the service over a duplex channel.Which code segment should you use?()A.B.C.D.
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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?()A.B.C.D.
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Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the lTimeService service interface in the TimeService class.You need to configure the service endpoint for HTTP communication. How should you define the service and endpoint tags?()A.B.C.D.
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You have an existing Windows Communication Foundation (WCF) service. You need to ensure that other services are notified when the service is started.What should you do?()
A.B.C.D.
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Your Windows Communication Foundation (WCF) client application uses HTTP to communicate with the service.You need to enable message logging and include all security information such as tokens and nonces in logged messages.What should you do?()A.B.C.D.
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A Windows Communication Foundation (WCF) service implements the following contract. [ServiceContract] public interface IHelloService { [OperationContract(WebGet(UriTemplate="hello?name={name}"))]
A.B.C.D.
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You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?()A、ChannelFactoryB、 ServiceHostC、ClientRuntimeD、CommunicationObject
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A Windows Communication Foundation (WCF) service sends notifications when the service is started and stopped.You need to implement a client that logs these notifications. Which class should you use?()A、AnnouncementServiceB、AnnouncementClientC、DiscoveryClientD、HttpListener
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You plan to host a Windows Communication Foundation (WCF) service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend?()A、 When Windows Azure initializes the worker role instance.B、 When the worker role instance receives its first request.C、 When the worker role instance instantiates the WCF service.D、 When the worker role instance enters the main execution thread.
考题
A Windows Azure application includes a single-threaded worker role that has multiple instances. The worker role hosts a Windows Communication Foundation (WCF) service. Each request to the WCF service takes several seconds to complete. You need to recommend an approach for ensuring that worker role instances do not receive requests while processing. What should you recommend?()A、 Close the WCF endpoint.B、 Throw an exception to cancel the request.C、 Redirect incoming requests to a different worker role instance.D、 Remove the worker role instance from the load balancer rotation.
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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 OperationContractAttribute, set the AsyncPattern property value to true.B、On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.C、On the client, create a proxy derived from DuplexClientBaseTChannel .D、On the client, use GetCallbackChannelT .
考题
单选题You are developing an application that performs file backups in the background. The background application will host a Windows Communication Foundation (WCF) service and must be active as soon as the machine is running. The background application will not have a user interface. A front-end application will consume the WCF service and will provide the user interface.You need to choose a host environment for the WCF service. Which hosting environment should you choose? ()A
Microsoft Internet Information Services (IIS) 6.0B
Windows Process Activation Services (WAS)C
A Windows Forms applicationD
A Windows Service
考题
单选题You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?()A
ChannelFactoryB
ServiceHostC
ClientRuntimeD
CommunicationObject
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单选题You develop a Windows Communication Foundation (WCF) service. It is used exclusively as an intranet application and is currently unsecured. You need to ensure that the service meets the following requirements: The service now must be exposed as an Internet application. The service must be secured at the transport level. Impersonation and delegation cannot be enabled. What should you use? ()A
basicHttpBinding and HTTPB
basicHttpBinding and KerberosC
wsHttpBinding and KerberosD
wsHttpBinding and HTTPS
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多选题You are designing a Windows Azure application. The application includes processes that communicate by using Windows Communications Foundation (WCF) services. The WCF services must support streaming. You need to recommend a host for the processes and a WCF binding. Which two actions should you recommend?()AHost the processes in web roles.BHost the processes in worker roles.CUse NetTcpBinding for the WCF services.DUse WSHttpBinding for the WCF services.
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单选题You have an existing Windows Communication Foundation (WCF) service that exposes a service contract over HTTP. You need to expose that contract over HTTP and TCP. What should you do?()A
Add a net.tcp base address to the host.B
Add an endpoint configured with a netTcpBinding.C
Add an endpoint behavior named netTcpBehavior to the existing endpoint.D
Add a binding configuration to the existing endpoint named netTcpBinding.
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单选题You are creating an application using Visual Studio 2010. The application consumes a Windows Communication Foundation (WCF) service.You are adding a service reference to the WCF service. You need to ensure that the generated proxy does not block the calling thread when executing a service method. What should you do when adding the service reference? ()A
Set the Collection type to ObservableCollection.B
Select the Reuse types in all referenced assemblies option.C
Select the Generate asynchronous operations option.D
Select the Always generate message contracts option.
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单选题A Windows Azure application includes a single-threaded worker role that has multiple instances. The worker role hosts a Windows Communication Foundation (WCF) service. Each request to the WCF service takes several seconds to complete. You need to recommend an approach for ensuring that worker role instances do not receive requests while processing. What should you recommend?()A
Close the WCF endpoint.B
Throw an exception to cancel the request.C
Redirect incoming requests to a different worker role instance.D
Remove the worker role instance from the load balancer rotation.
考题
单选题You plan to host a Windows Communication Foundation (WCF) service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend?()A
When Windows Azure initializes the worker role instance.B
When the worker role instance receives its first request.C
When the worker role instance instantiates the WCF service.D
When the worker role instance enters the main execution thread.
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单选题You are developing a Windows Communication Foundation (WCF) service. Client applications require reliable sessions to access the service.Users report that they receive ServerTooBusyException errors when their client application tries to establish a session. You need to ensure that the service can handle a minimum of 30 client connection requests. Which ReliableSessionBindingElement property should you configure?()A
MaxRetryCountB
MaxTransferWindowSizeC
MaxPendingChannelsD
InactivityTimeout
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单选题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5. This application will be part of a solution that contains a Windows Communication Foundation (WCF) service project. The Web application will be used to make calls to a service identified in theWCF service project. Management is planning to host the Web application on a separate serverfrom the WCF service. They want the WCF service to perform remotely. You need to add areference to the WCF service. What should you do?()A
You should add an assembly reference to the project.B
You should add a project reference to the project.C
You should add a Web reference to the project.D
You should add a service reference to the project.
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单选题You are creating a Windows Communication Foundation (WCF) service. You need to ensure that the service is compatible with ASP.NET to make use of the session state. Which binding should you use?()A
NetTcpContextBindingB
BasicHttpContextBindingC
NetTcpBindingD
NetMsmqBinding
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单选题You are developing a client application that consumes a Windows Communication Foundation (WCF) service. The operation contract is as follows. [OperationContract] [FaultContract(typeof(SalesFault))] string GetSales(string saleId);() The service configuration file contains the following line in the serviceBehaviors section. A divide-by-zero exception is not being handled by the service. You need to ensure that the exception is caught in the client application. Which type of exception should the client catch?()A
TimeoutExceptionB
FaultExceptionC
DivideByZeroExceptionD
FaultExceptionSalesFault
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单选题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 OperationContractAttribute, set the AsyncPattern property value to true.B
On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.C
On the client, create a proxy derived from DuplexClientBaseTChannel .D
On the client, use GetCallbackChannelT .