A RedHat Enterprise Linux installation with three installation CDs needs to be created. What is the proper way to set up the ISO images? 

The ISO images should each be placed in their own subdirectory under/OVS/iso_pool. 

The ISO images should be joined into one larger ISO image using the M75cat command, then placed under a subdirectory of/OVS/iso_pool. 

The ISO images should all be placed under/OVS/iso_pool, using distinct names to differentiate them. 

The ISO images should be placed in one subdirectory under/OVS/seed_pool, named according to the vendor and distribution name. 

The ISO images should be placed in one subdirectory under/OVS/iso_pool, named according to the vendor and distribution name.