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最新的 MCTS 70-503 免費考試真題:

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You configure a binding to enable streaming.
You need to ensure that the client application is able to stream large XML files to the WCF service.
Which operation contract should you create?

A) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As Stream)
B) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As StreamWriter)
C) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As ByteQ)
D) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As XmlWriter)

2. 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 a reference to the custom service host in the web.config file.
B) Create a custom service host factory that instantiates the custom service host. Include a reference to this factory in the .svc file.
C) Write hosting code for the WCF service.
D) Add code to instantiate the custom service host from within the main procedure of the WCF service.

3. Your company has a set of e-commerce services that were created by using Microsoft .NET Framework 3.5. The Windows Communication Foundation model was used to create the services.
The services include a catalog and a shopping cart that are deployed to the same physical server. The catalog is a stateless, single-instance service. The shopping cart is a reentrant, per-session service.
The catalog service contains the following code fragment.

The shopping cart service contains the following code fragment.

During peak hours, the number of simultaneous catalog requests increase. This prevents customers from updating their shopping carts. You need to ensure that the customers can update their shopping carts even during peak catalog request traffic.
Which set of code fragments should you use to replace the existing code fragments?

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

4. 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 B
B) Option C
C) Option A
D) Option D

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

Client applications pass an instance of the Customer class to the service.
You create a new version of the data contract and replace the Name property with the FirstName property.
You need to ensure that the existing client applications can continue to consume the service without modifying their code.
Which code segment should you use?

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

問題與答案：