Question: You need to optimize spending for always-on Compute Engine virtual machines of certain sizes and types-with minimum effort. What do you do?

1. Analyze machine usage to verify that machines will be on for more that 25% of the time, and verify that contained use discounts have been automatically applied to your bill.
2. Analyze machine usage to verify that machines will be on for more that 25% of the time, and verify that sustained use discounts have been automatically applied to your bill.
3. Analyze machine usage to verify that machines will be on for more than 25% of the time and purchase contained use discounts.
4. Analyze machine usage to verify that machines will be on for more than 25% of the time and purchase sustained use discounts.

Answer: The correct answer of the above question is Option B:Analyze machine usage to verify that machines will be on for more that 25% of the time, and verify that sustained use discounts have been automatically applied to your bill.