OCI Foundations Certification Questions with Correct Answers

Which of the following is not a core characteristic of cloud computing as defined by NIST standards? A. On-demand self-service access B. Upfront license payments C. Rapid elasticity D. Measured services Correct Answer-Answer: B A, C, D are characteristics as defined by NIST; cloud computing enables pay-as-you-pricing and does not involve paying for licenses upfront. Which statement below is NOT correct regarding a highly available system? A. Highly available systems always involve manual intervention to maintain high availability. B. Highly available systems typically have redundant hardware and software C. Highly availability systems avoid having single points-of-failure D. Highly available systems involve a failover process that moves processing performed by the failed component to the backup component Correct Answer-Answer: A It is possible to have some manual intervention, but typically, highly available systems do not involve manual failover processes. The more transparent the failover is, the more highly available the system is. What does compute vertical scaling imply? A. Compute scaling out is called vertical scaling B. Compute scaling in is called vertical scaling C. Compute scaling up (or down) is called vertical scaling D. In cloud, you can cannot scale compute i