4. explain payment options? out of it which beneficial both cost & service wise?
The payment options.
All Upfront: You pay for the entire commitment (1 or 3 years) in a single lump sum when you purchase.
Partial Upfront: You pay a portion of the cost upfront, and the remainder is billed at a discounted hourly rate throughout the term.
No Upfront: You pay nothing initially, but commit to paying a discounted hourly rate for the entire 1 or 3-year duration.
Partial Upfront with a 3-Year AWS Savings Plan is the beneficial option based on cost and service.