[多项选择] You are implementing transaction log shipping for a database named DB1 from a server named SQL1 to a server named SQL2. Because DB1 is 100 GB in size， it is too big to transfer over the network in a reasonable amount of time. You need to minimize the impact on the network while you initialize the secondary database. Which two actions should you perform？（）
A. Specify the simple recovery model for DB1.
B. Specify either the full or the bulk-logged recovery model for DB1.
C. Perform a complete backup of DB1 to portable media. Restore the secondary database from that backup； specify the RECOVERY option.
D. Perform a complete backup of DB1 to portable media. Restore the secondary database from that backup； specify the STANDBY option.
E. Before you activate transaction log shipping to the secondary database， execute the following statement on the primary server.BACKUP LOG DB1 WITH TRUNCATE ONLY