Online Access Free 070-503 Exam Questions

You are creating a distributed application by using Microsoft .NET Framework 3.5.
The application uses the Windows Communication Foundation model.
You need to ensure that the following requirements are met:
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

• A.Option C
• B.Option B
• C.Option D
• D.Option A

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.

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to configure a single service endpoint with the following logical and physical addresses:
Which configuration setting should you use?

• A.Option C
• B.Option B
• C.Option D
• D.Option A

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 WSFederationHttpBinding binding with the security mode set to TransportWithMessageCredential.
• 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 BasicHttpBinding binding with the security mode set to Message.

You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

The service uses a transactional binding. The TransactionFlow property for the binding is set to true. You need to ensure that the MyMethod method meets the following requirements:
Which code segment should you insert at line 05?

• A.[OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Mandatory)]
• B.[OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Allowed)]
• C.[OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Allowed)]
• D.[OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Mandatory)]