Computer Science > EXAM > OCI Foundations Certification QUESTIONS AND ANSWERS| DISTICTION (All)

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OCI Foundations Certification QUESTIONS AND ANSWERS| DISTICTION

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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 s ... ervices 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 instances Correct Answer: Answer: C Scale in or out is horizontal scaling. Which one of the following is not a cloud pricing model? A. Pay-as-you-go B. Commitment based pricing C. Consumption based pricing D. Enterprise license based pricing Correct Answer: Answer: D Enterprise license based pricing is not a cloud pricing model, while the others are. In cloud computing, you only pay for resources that you use and in some cases, pay only for how much you consume. Which statement below is NOT true regarding an Oracle Cloud Infrastructure Region? A. Each region has at least one Availability Domain. B. Availability domains are isolated from each other and very unlikely to fail simultaneously. C. Each Fault Domain has multiple Availability Domains. D. Each Availability Domain has three Fault Domains. Correct Answer: Answer: C Each Availability Domain has three Fault Domains and not the other way around. Which two are valid reason [Show More]

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