Several patches have been installed on your system to resolve a specific problem. The performance of your system degrades and you are advised to back out one of the patches.
Which three conditions must exist for the patch to be successfully removed? (Choose three.)
The patch must NOT be a recommended patch.
The patch must NOT be required by another patch.
A previous revision of the patch must already be installed.
The patch must NOT have been obsoleted by another patch.
The patch must have been installed using the patchadd -d command.
The patch must NOT have been installed using the patchadd -d command.