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.