Pass the actual test with the help of 70-503 study guide
Last Updated: May 31, 2026
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1. You are creating a client application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The client application uses a Personal Information Card to provide authentication information to the WCF server. You write the following code fragment. (Line numbers are included for reference only.)
You need to ensure that one of the claims in the Personal Information Card contains an e-mail address.
Which code fragment should you insert at line 05?
A) Option D
B) Option B
C) Option A
D) Option C
2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service must authenticate the client applications by validating credit card numbers and expiry dates.
You write the following code segment. (Line numbers are included for reference only.)
You need to implement custom authentication for the WCF service. Which code segment should you insert at line 10?
A) Option D
B) Option B
C) Option A
D) Option C
3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code fragment for the configuration setting. (Line numbers are included for reference only.)
01 <wsHttpBinding> 02 <binding name="simple">
04 </binding> 05 </wsHttpBinding>
You need to ensure that the service uses transport security and allows access to anonymous client applications. Which code fragment should you insert at line 03?
A) <security mode="Transport" > transport clientCredentialType="Basic" /></security>
B) <security mode="Transport" > <message clientCredentialType="Certificate"></security>
C) <security mode="Transport" > transport clientCredentialType="None" /></security>
D) <security mode="Transport" > <message clientCredentialType="None"></security>
4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You need to use a custom service host to host the WCF service in Windows Activation Services (WAS).
What should you do?
A) Add code to instantiate the custom service host from within the main procedure of the WCF service.
B) Create a custom service host factory that instantiates the custom service host. Include a reference to this factory in the .svc file.
C) Add a reference to the custom service host in the web.config file.
D) Write hosting code for the WCF service.
5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.
You have not deployed the IMathService service.
You need to expose the AddNumbers (a As Double, b As Double) As Double operation to
the IMathService service contract.
Which code segment should you use?
A) Option D
B) Option B
C) Option A
D) Option C
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: B |
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