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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 Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following XML code fragment.

You need to add an endpoint definition to the service configuration for the URL http://localhost:8000/ServiceModelExam/service to expose the Contoso. Exams. lExam service contract.
Which definition should you add?

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

2. You are creating a distributed application by using Microsoft .NET Framework 3.5.
You use Windows Communication Foundation (WCF) to create the application. The operations provided by the WCF server use the remote resources of other computers.
These methods use the credentials provided by the client applications.
You need to ensure that the WCF server can impersonate the client applications to access the remote resources.
Which client application settings should you use?

A) <windows allowedlmpersonationLevel="lmpersonation" allowNtlm="false7>
B) <windows allowedlmpersonationLevel="Delegation7>
C) <windows allowedlmpersonationl_evel="ldentification7>
D) <windows allowedlmpersonationl_evel="lmpersonation7>

3. 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) 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.
B) 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.
C) 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.
D) 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.

4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.

You need to ensure that the service meets the following requirements:
Which code segment should you use to replace the existing code segment?

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

5. 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 need to ensure that the service is able to access the current HttpContext instance. Which configuration settings and attribute should you use?

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

Solutions: