You have a DHCP server that runs Windows Server 2008. You need to reduce the size of the DHCP database. What should you do？（）

• A、 From the DHCP snap-in， reconcile the database
• B、 From the folder that contains the DHCP database， run jetpack.exe dhcp.db temp.mdb
• C、 From the properties of the dhcp.mdb file， enabled the File is ready for archiving attribute.
• D、 From the properties of the dhcp.mdb file， enable the Compress contents to save diskspace attribute