ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

Restore Time Objective (RTO) measures how quickly IT systems can be made operational after a disruption. In many cases, however, users cannot resume normal business activity immediately after the systems are up; additional tasks-such as data validation, configuration, and testing-are required. The duration needed to perform these post-restoration activities is called Work Recovery Time (WRT). In the scenario, the servers were online within the RTO, but staff needed one more hour of work before operations could continue, illustrating WRT. Maximum Tolerable Downtime (MTD) is the total acceptable outage window (RTO + WRT). Mean Time to Repair (MTTR) is an averaged maintenance metric, and a Service Level Objective (SLO) is a negotiated performance target; neither specifically describes the post-recovery work period.