Continuity management (or business continuity management) is focused on planning for the successful restoration of systems or services after an unexpected outage, incident, or disaster.
Problem management is focused on identifying and mitigating known problems and deficiencies before they occur. Availability management is focused on making sure system resources, processes, personnel, and toolsets are properly allocated and secured to meet SLA requirements. Configuration management tracks and maintains detailed information about all IT components within an organization.

Forensics refers to the application of scientific methods and protocols to the investigation of crimes. Although forensics has traditionally been applied to well-known criminal proceedings and investigations, the term equally applies to digital investigations and methods. Although the other answers provide similar-sounding terms and ideas, none is the appropriate answer in this case.

Explanation
Any application can be a possible target of denial-of-service (DoS) attacks. From the application side, the developers should minimize how many operations are performed for non-authenticated users. This will keep the application running as quickly as possible and using the least amount of system resources to help minimize the impact of any such attacks.