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 which uses mixed authentication mode. The instance runs on a computer which has Windows Server 2003 installed. You must make sure that the SQL Server 2008 authenticated logins follow the same password complexity rules that are enforced by Windows Server 2003. Besides this, you must make sure that the password complexity rules continue to be enforced. 
So what action should you perform to achieve this goal?（） 

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 n On-Line Analytical Processing （OLAP） database named in the instance. The database contains a dimension table named Clients. Ever hour backup of data of the Clients table is performed. But the Clinets table contains redundant data. You must keep the disk space used to store the Clients table. 
In the options below， which compression technology should you use？（）