At his company, Kari is responsible for the enterprise resource planning $($ERP$)$ application, including its security. Considering the vulnerabilities common in most ERP installations, which of the following sets of controls should Kari consider most valuable to his company's ERP application?

Question $20$ options:

Unique user accounts with strong authentication and acceptable use training

Up$-$to$-$date firewall patches, strong firewall rules, and outbound filters for ERP traffic

Management support, particularly with capacity planning

Auditing on all applications united by ERP