The three offline disks all use the scsi bus type, whereas the online disk uses the ata bus. why can't the three offline disks use the ata bus as well?

George heard about the benefits of a data warehouse. he wants to try implementing one for his organization. however, he is afraid that transferring data to the data warehouse will affect transaction time. which element ensures that transactions are not affected when moving data to a warehouse? when data is transferred to a data warehouse, the a area frees the source system to continue transaction processing.