单项选择题
A. Create a single queue. Send requests on the single queue.
B. Create a queue for each web role. Send requests on all queues at the same time.
C. Create a queue for each workerrole instance. Send requests on each worker queue in a round robin.
D. Create a queue for each combination of web roles and worker role instances. Send requests to all worker role instances based on the sending web role.
单项选择题 You are designing a Windows Azure application. The application includes a web role and a worker role that communicate by using a Windows Azure Queue. The worker role processes each message within 10 seconds of retrieving it from the queue. The worker role must process each message exactly one time. If a process does not complete， the worker role must reprocess the message. You need to recommend an approach for the worker role to manage messages in the queue. What should you recommend？（）
多项选择题 You are planning the migration of a Microsoft SQL Server 2008 database to SQL Azure. You need to recommend an approach for ensuring that database connectivity does not degrade. Which two actions should you recommend？（）
单项选择题 A Windows Azure application retrieves data from SQL Azure. You need to recommend an approach for improving application query performance. What should you recommend？（）