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Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Configuring and Hosting WCF Services | - Hosting environments
|
| Designing and Developing WCF Services | - Service implementation
|
| WCF Bindings and Messaging | - Bindings
|
| Security in WCF Services | - Secure communication
|
| Client Configuration and Consumption | - Service consumption
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
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 netNamedPipeBinding binding along with the message-level and the transport-level securities.
- B. Use the basicHttpBinding binding along with the transport-level security.
- C. Use the netTcpBinding binding along with the message-level security.
- D. Use the wsHttpBinding binding along with the message-level security.
Correct Answer: D 🗳️
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You want to enable message logging. You add the following code fragment to the service configuration file.
<system.diagnostics> <sources> <source name="System. ServiceModel. Messagel_ogging">
<listeners> odd name="messages"
type="System. Diagnostics. XmlWriterTraceListener" />
</listeners> </source> </sources> </system.diagnostics>
You receive an exception. You need to successfully enable message logging. What should you do?
- A. Set the initializeData attribute to the name of a log file.
- B. Set the maximum size of the message to be logged to 256K.
- C. Remove the message filter.
- D. Set the switchValue attribute to verbose.
Correct Answer: A 🗳️
You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize
client applications. You write the following code segment. Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) _
Implements IStore. RemoveOrder End Sub End Class You need to ensure that only
those client applications that meet the following criteria can access the RemoveOrder method: "AdminUser" is the subject in the client certificate.
"1 bf47e90O0acf4c0089cda65e0aadcf1 cedd592" is the thumbprint in the client certificate. What should you do?
- A. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="AdminUser,1 bf47e90100acf4c0089cda65e0aadcf1 cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="UseAspNetRoles7> - B. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Name:="AdminUser;1bf47e90C0acf4c0089cda65e0aadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7> - C. Decorate the RemoveOrder method by using the following attribute. <PrincipalPermission(SecurityAction. Demand, _Name:="CN=AdminUser;1bf47e90100acf4c0089cda65e0aadcf1cedd592")> _ Initialize the serviceAuthorization element of the service behavior in the following manner. <serviceAuthorization principalPermissionMode="UseAspNetRoles7>
- D. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="CN=AdminUser,1bf47e9000acf4c0089cda65eOaadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7>
Correct Answer: C 🗳️
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.Allowed)]
- B. [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Mandatory)]
- C. [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Mandatory)]
- D. [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Allowed)]
Correct Answer: D 🗳️
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)
If the existing operation contract is unable to process a request made to the service, a generic operation contract must attempt to process the request.
You need to create the generic operation contract.
Which code segment should you insert at line 07?
- A. <OperationContract(Action:="Default")> _ Sub ProcessOthers()
- B. <OperationContract(Action:="*")> _ Sub ProcessOthers()
- C. <OperationContract(Action:="*")> _
Sub ProcessOthers(ByVal msg As Message) - D. <OperationContract(Action:="Default")> _ Sub ProcessOthers(ByVal msg As Message)
Correct Answer: C 🗳️
