Patch management must be combined with full-featured systems management to be effective. Determining which patches are needed, applying the patches and which of the following are three generally accepted activities of patch management?

A.
Backing up the patch file executables to a network share

B.
Updating the firewall configuration to include the patches

C.
Auditing for the successful application of the patches

D.
Running a NIDS report to list the remaining vulnerabilities