单项选择题

A. A single role instance that processes messages indiv……

You are designing a Windows Azure application.
Messages will be placed into a Windows Azure Queue and then processed by a worker role. There is no requirement for adherence to the Windows Azure Service Level Agreement （SLA）.
You need to recommend an approach for concurrently processing messages while minimizing compute cost.
What should you recommend？（）

A. A single role instance that processes messages individually
B. A single role instance with multithreaded request processing
C. Multiple role instances that process messages individually
D. Multiple role instances， each with multithreaded request processing

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单项选择题You are evaluating a Windows Azure application. The application includes the following elements： - A web role that provides the ASP.NET user interface and business logic - A single SQL Azure database that contains all application data Each page must receive data from the business logic layer before returning results to the client. Traffic has increased significantly. The business logic is causing high CPU usage. You need to recommend an approach for scaling the application. What should you recommend？（）

A. Move business logic to a worker role.
B. Vertically partition the SQL Azure database.
C. Store business logic results in Windows Azure local storage.
D. Store business logic resultsin Windows Azure Table storage

单项选择题You are designing a Windows Azure web application that does not use ASP.NET. The application requires a standalone Win32 interpreter. You need to recommend an approach for allowing access to the interpreter. What should you recommend？（）

A. Use a web role. Configure the interpreter as an ISAPI filter.
B. Use a web role. Configure a FastCGI handler for the interpreter and set the path to the interpreter.
C. Use a worker role with an internal endpoint. Enable native code execution.
D. Use a worker role with an external endpoint. Configure a FastCGI handler for the interpreter and set the path to the root.

多项选择题You are designing a Windows Azure application. The application includes processes that communicate by using Windows Communications Foundation （WCF） services. The WCF services must support streaming. You need to recommend a host for the processes and a WCF binding. Which two actions should you recommend？（）

A. Host the processes in web roles.
B. Host the processes in worker roles.
C. Use NetTcpBinding for the WCF services.
D. Use WSHttpBinding for the WCF services.

单项选择题You are developing a Windows Azure application in which a web role and worker role will communicate by using a Windows Azure Queue. You need to recommend an approach for ensuring that the worker role does not attempt to process any message more than three times. What should you recommend？（）

A. Appropriately handle poison messages.
B. Decrease the visibility timeout for messages.
C. Reduce the time-to-live interval for messages in the queue.
D. Increase the number of worker role instances reading messages from the queue.

单项选择题You are designing a Windows Azure application that will process images. The maximum size of an image is 10 MB. The application includes a web role that allows users to upload images and a worker role with multiple instances that processes the images. The web role communicates with the worker role by using a Windows Azure Queue. You need to recommend an approach for storing images that minimizes storage transactions. What should you recommend？（）

A. Store images in the queue.
B. Store images in Windows Azure Blob storage. Store references to the images in the queue.
C. Store images in local storage on the web role instance. Store references to the images in the queue.
D. Store images in Windows Azure Drives attached to the worker role instances. Storereferences to the images in the queue.