SLE, ARO,ALE,RTO

SLE SLE (Single Loss Expectancy) describes the financial impact of a single event.

A. ALE ALE (Annual Loss Expectancy) is the financial loss over an entire 12-month period.

C. RTO RTO (Recovery Time Objectives) define a timeframe needed to restore a particular service level.

D. ARO The ARO (Annualized Rate of Occurrence) is the number of times an event will occur in a 12-month period.