单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named named Dworks in the instance. The Dworks database has a table named Bills which contains several indexes and a great amount of rows. An enterprise Web environment is supported by the database. Onthe Bills table 28% of the indexes have been fragmented. You have to defragment the indexes， making sure that you reduce the effect on database availability to the least.  In the ALTER INDEX statement， which option should be included？（）

单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. For some reason, now the company wants to view the number of users who access the SQL Server instance. The company CIO assigns this task to you. You have to use Windows System Monitor to find out the concrete number. Which performance object should you capture?（）

单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance has databases for a finance application and a manufacturing application. You want to put some limitation on the maximum CPU query time allowed by the applications, so you configure the Resource Governor to achieve this. But you notice that certain reports do not execute successfully any longer on the manufacturing application. You have to allow the manufacturing application to consume more CPU time, so you have to change the Resource Governor configuration.  Which Resource Governor component should you configure?（）