AWS SAA-C03 · Question 55 · Domain 4.2: Compute Cost Optimization

A company has a steady-state workload running on EC2 instances. They want to commit to a 1-year term to reduce costs. They know they will need a specific amount of compute power, but they might change instance families (e.g., from M5 to C5) or operating systems during the year. Which TWO purchasing options provide the necessary flexibility? (Select TWO.)