6. DevOps
Cost Ops — Quiz
Test your understanding of cost ops with 5 practice questions.
Practice Questions
Question 1
In AWS Cost and Usage Reports, which configuration optimizes storage efficiency and query performance in Amazon Athena?
Question 2
A development EC2 instance costing \$0.25 per hour is stopped for 16 hours each day over a 30-day month. How much cost saving results per instance?
Question 3
A company’s virtual machine has 8 vCPUs and 32 GiB RAM, with average CPU utilization of 25% and memory utilization of 10 GiB. To maintain a 20% buffer while minimizing cost, which EC2 instance type is most appropriate?
Question 4
Which tagging practice most effectively minimizes tag cardinality for cost allocation reports?
Question 5
An organization’s baseline monthly compute spend is \$12,000. After applying a 1-year Compute Savings Plan (25% discount) and rightsizing initiatives reducing costs by 10%, what is the resulting monthly compute cost?