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 m

第1题：

You are designing a Windows Azure application.  The application includes two web roles and three instances of a worker role.  The web roles will send requests to the worker role through one or more Windows Azure Queues. You have the following requirements：   - Ensure that each request is processed exactly one time.   - Minimize the idle time of each worker role instance. - Maximize the reliability of request processing.   You need to recommend a queue design for sending requests to the worker role.  What should you recommend？（）

• 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.

第2题：

An application connects to a SQL Azure database.  The application occasionally loses the connection to the SQL Azure database.   You need to recommend an approach for reliably completing data access operations.  What should you recommend？（）  

• A、 Use Microsoft ADO.NET connection pooling.
• B、 Pass exceptions to the user interface layer.
• C、 Implement a retry policy in the data access layer.
• D、 Begin a transaction before each data access operation.

第3题：

You are designing a web service that will be hosted in Windows Azure.  The web service will accept and store structured and semi-structured data. The web service must meet the following requirements：   - Update all data within a single transaction.  - Enforce the data structure for structured data within the data store.    You need to recommend an approach for storing the data.  What should you recommend？（）

• A、 Use Windows Azure Queues.
• B、 Use a single SQL Azure database.
• C、 Use a single Windows Azure Drive.
• D、 Use Windows Azure Table storage.

第4题：

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

第5题：

You are designing a Windows Azure application that will store data in two SQL Azure databases. The application will insert data in both databases as part of a single logical operation.   You need to recommend an approach for maintaining data consistency across the databases.  What should you recommend？（）

• A、 Execute database calls on parallel threads.
• B、 Wrap the database calls in a single transaction scope.
• C、 Use Microsoft Distributed Transaction Coordinator （MSDTC）.
• D、 Handle errors resulting from the database calls by using compensatory logic.

第6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？（）

• A、 Create a database view to retrieve the data.
• B、 Use a clustered index on the SQL Azure database tables.
• C、 Open a new database connection when an operation times out.
• D、 Create SQL Azure database table indexes basedon application queries

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第13题：

You are designing a Windows Azure application that will store data. You have the following requirements：   - The data storage system must support the storage of more than 500 GB of data.   - Data retrieval must be possible from a large number of parallel threads without threads blocking each other.   You need to recommend an approach for storing data.  What should you recommend？（）

• A、 Use Windows Azure Queues.
• B、 Use Windows Live Mesh 2011.
• C、 Use a single SQL Azure database.
• D、 Use Windows Azure Table storage

第14题：

You are planning to migrate an existing web application to Windows Azure.  The application consists of an ASP.NET web application and a set of native Win32 Windows Services that provide data to the application by using named pipes. The Windows Services cannot be modified.  You need to recommend a strategy for migrating the application to Windows Azure.  What should you recommend？（）

• A、 Define a Windows CommunicationFoundation （WCF） contract for the services.
• B、 Deploy each Windows Service to a separate worker role.  Deploy the ASP.NET application to a web role.
• C、 Deploy the application and Windows Services in a Windows Azure VM role.
• D、 Upload service binaries to a web role by using the Windows Azure Service Management API.

第15题：

You are planning the migration of an existing application to Windows Azure and SQL Azure.  The original application includes a Microsoft SQL Server 2008 database.   You need to recommend an approach for ensuring that the database migrates successfully toSQL Azure.  Which two actions should you recommend？（）

• A、 Remove all clustered indexes from the database.
• B、 Remove all dependencies on the Microsoft Distributed Transaction Coordinator （MSDTC） from the application.
• C、 Use SSL and SQL authentication to connect to the database.
• D、 Use SSL and Windows authentication to connect to the database.

第16题：

A Windows Azure application stores data in a SQL Azure database.  The application will start an operation that includes three insert statements.  You need to recommend an approach for rolling back the entire operation if the connection to SQL Azure is lost.  What should you recommend？（）

• A、 Ensure that all statements execute in the same database transaction.
• B、 Create a stored procedure in the database that wraps the insert statements in a TRY CATCH block.
• C、 Create a stored procedure in the database that wraps the insertstatements in a TRANSACTION block.
• D、 Open a new connection to the database. Use a separate transaction scope to roll back the original operation.

第17题：

You develop an ASP.NET web application that uses a Windows Azure web role. The application includes a startup script that installs a third-party component. You are developing a test plan for the startup script.  What should you recommend？（）

• A、 Enable Remote Desktop Protocol （RDP） and deploy the application without the startup script.  Connect to the web role instance by using RDP， and then manually test the startup script.
• B、 Deploy the application in the Windows Azure Compute Emulator.
• C、 Deploy theapplication with a custom error page.
• D、 Deploy the application and then use IntelliTrace.

第18题：

You are designing a Windows Azure application that will provide online backup storage for very large media files.  The application must be capable of storing an average of 1 GB of data for each user. The application must provide random read/write access. You need to recommend a durable data storage solution.  What should you recommend？（）

• A、 Use a Windows Azure Drive.
• B、 Use Windows Azure page blob storage.
• C、 Use Windows Azure block blob storage.
• D、 Use local storage on a Windows Azure instance.

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