Oracle Cloud Interview Questions and Answers for 5 years experience

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Oracle Cloud Interview Questions and Answers

  1. What are the key differences between Oracle Cloud Infrastructure (OCI) and Oracle Cloud Applications (OCA)?

    • Answer: OCI provides the underlying infrastructure services like compute, storage, networking, and databases. OCA offers pre-built, cloud-based applications like ERP, HCM, and SCM. OCI is the platform, while OCA is the application running on that platform (or potentially others). You might use OCI to build and deploy your own custom applications, whereas OCA provides ready-to-use business applications.

  2. Explain the different Oracle Cloud deployment models.

    • Answer: Oracle Cloud offers several deployment models: Public Cloud (shared infrastructure), Private Cloud (dedicated infrastructure), and Hybrid Cloud (combining public and private). Each offers varying degrees of control, security, and cost.

  3. Describe your experience with Oracle Autonomous Database.

    • Answer: [This requires a personalized answer based on your experience. Include details like which Autonomous Database services you've used (e.g., Transaction Processing, Data Warehouse), specific tasks performed (e.g., database creation, schema management, performance tuning), and any challenges overcome.]

  4. How do you manage backups and recovery in Oracle Cloud Infrastructure?

    • Answer: Oracle Cloud offers several backup and recovery options, including using the built-in backup services for databases and compute instances, implementing regular snapshots, and utilizing tools like RMAN (Recovery Manager) for database backups. The strategy should incorporate RPO (Recovery Point Objective) and RTO (Recovery Time Objective) considerations.

  5. Explain your understanding of Oracle Cloud's security features.

    • Answer: [This answer needs to be personalized. Include your experience with identity and access management (IAM), Virtual Private Clouds (VPCs), security lists, and other security services offered by OCI. Mention specific security best practices you've implemented.]

  6. How do you monitor and manage performance in Oracle Cloud?

    • Answer: Oracle Cloud provides comprehensive monitoring tools. I've used [mention specific tools like Oracle Cloud Monitoring, Cloud Logging, etc.] to track resource utilization, identify bottlenecks, and proactively address performance issues. I understand the importance of setting up alerts and dashboards for critical metrics.

  7. What are the different types of compute instances available in OCI?

    • Answer: OCI offers a wide range of compute instances optimized for various workloads, including general-purpose, high-performance computing (HPC), memory-optimized, and bare metal instances. The choice depends on the specific application requirements.

  8. Explain your experience with Oracle Cloud Networking.

    • Answer: [Personalize this answer. Describe your experience with setting up Virtual Cloud Networks (VCNs), subnets, routing tables, internet gateways, and other networking components. Mention any experience with load balancing or VPN connections.]

  9. How do you handle cost optimization in Oracle Cloud?

    • Answer: Cost optimization is crucial. My approach involves using right-sized instances, leveraging spot instances where appropriate, scheduling resources based on demand, and regularly reviewing billing reports to identify areas for potential savings. I also utilize Oracle's cost management tools.

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