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？（）

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?（）