What is the purpose of the sw_bkup_needed=1 parameter t…

To patch an Exadata cloud instance, you need to run the exadbcpatchmulti command as root from the
compute node. exadbcpatchmulti uses the exadbcpatch.cfg file to provide information about the location of files
related to patching operations as well as additional parameters related to these operations.
What is the purpose of the sw_bkup_needed=1 parameter that can be set in the exadbcpatch.cfg file?

A.
creates a backup of the patch in case of an error in the patching routine

B.
performs a backup of each Oracle home directory before a patch is applied

C.
forces the software to create a backup of the exadbpatch.cfg file

D.
adds a dialog box that prompts for a backup before the patch can be applied

E.
creates a backup of the Oracle database data files