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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 are creating a client application by using Microsoft .NET Framework 3.5. The application will be accessible on the Internet.
You plan to use the wsHttpBinding binding by using HTTPS. The Windows Communication Foundation (WCF) service is hosted by a Windows service. You associate the HTTPS port of the WCF server with an X.509 certificate.
You need to ensure that the client application trusts and validates the certificate.
What should you do?

A) Subscribe to the ServerCertificateValidationCallback event of the System.Net.ServicePointManager class.
Write the validation code in the boolValidate(object sender, X509Certificate cert, X509Chain chain. System.Net.Security.SslPolicyErrors error) event handler on the client side.
B) Subscribe to the ServerCertificateValidationCallback event of the System.Net.ServicePointManager class.
Write the validation code in the boolValidate(object sender, X509Certificate cert, X509Chain chain. System.Net.Security .SslPolicyErrors error) event handler on the server side.
C) Derive a class from the System.IdentityModel.Selectors.X509CertificateValidator class.
Create an instance of the derived class on the server side.
Write the validation code in the public override void Validate(X509Certificate2 certificate) method.
D) Derive a class from the System.IdentityModel.Selectors.X509CertificateValidator class.
Create an instance of the derived class on the client side.
Write the validation code in the public override void Validate(X509Certificate2 certificate) method.

2. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) Web service. The Web service is consumed by third-party applications. You need to ensure that the WCF service provides interoperable and secure end-to-end communications. What should you do?

A) Use the basicHttpBinding binding along with the transport-level security.
B) Use the netTcpBinding binding along with the message-level security.
C) Use the netNamedPipeBinding binding along with the message-level and the transport-level securities.
D) Use the wsHttpBinding binding along with the message-level security.

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The client applications are unable to use SSL You need to ensure that clients authenticate by using a token provided by a Security Token Service (STS). What should you do?

A) Use a BasicHttpBinding binding with the security mode set to Message.
B) Use a WSFederationHttpBinding binding with the security mode set to Message.
C) Use a BasicHttpBinding binding with the security mode set to TransportWithMessageCredential.
D) Use a WSFederationHttpBinding binding with the security mode set to TransportWithMessageCredential.

4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted in a managed Console application. You want to add endpoints to the service.
You need to ensure that all endpoints use the same base address.
Which code fragment should you use?

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

5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

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

Solutions: