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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 distributed application with Windows Communication Foundation by using Microsoft .NET Framework 3.5.
The distributed application topology includes client applications, routers, and services. Communication between the client applications and the services require authentication, confidentiality, and integrity.
You need to ensure that routers are not able to read the contents of the messages. You must achieve this goal without customizing the binding configuration.
Which binding should you use?

A) NetNamedPipeBinding
B) NetTcpBinding
C) WSHttpBinding
D) NetPeerTcpBinding

2. You create a stateless, thread-safe service by using Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the service. Load testing reveals that the service does not scale above 1,000 concurrent users.
You discover that each call to the service instantiates a new service instance. You also discover that these service instances are expensive to create. You need to ensure that 5,000 concurrent users can access the service.
Which code segment should you use?

A) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Reentrant)]
B) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode. Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]
C) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Multiple)]
D) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]

3. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service contains two operations named ProcessSimpleOrder and ProcessComplexOrder. You need to expose the ProcessSimpleOrder operation to all the client applications. You also need to expose the ProcessComplexOrder operation only to specific client applications. Which code segment should you use?

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

4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment to create a service contract. (Line numbers are included for reference only.)

You need to ensure that the client applications always use a binding that supports sessions.
Which code segment should you insert at line 01?

A) <ServiceContract(SessionMode:=SessionMode.Allowed)> __
B) <ServiceContract(ProtectionLevel:=ProtectionLevel._ EncryptAndSign,SessionMode:=SessionMode.Allowed)> __
C) <ServiceContract(ProtectionLevel:=ProtectionLevel.EncryptAndSign)> __
D) <ServiceContract(SessionMode:=SessionMode.Required)>

5. You create 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.)

The service must meet the following requirements:
You need to set the isolation level for the service.
Which line of code should you insert at line 05?

A) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Unspecified)]
B) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Serializable)]
C) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Chaos)]
D) [SecviceBehavior(TransactionIsolationLevel= IsolationLevel.Snapshot)]

Solutions: