EC2 Essentials

Difficulty: Beginner

Question

What are the different EC2 pricing models and when should you use each?

Answer

1. **On-Demand**: Unpredictable workloads. 2. **Reserved Instances/Savings Plans**: Steady-state (1-3 yr). 3. **Spot Instances**: Spare capacity (up to 90% off, can be terminated). 4. **Dedicated Hosts**: Physical servers for compliance.

Concepts covered

Compute, Virtual Machines, Instance Types, Pricing Models