Top 25 Oracle Cloud  Interview Question and Answer

1. What is Oracle Cloud Infrastructure (OCI)?

Answer: OCI is an IaaS (Infrastructure-as-a-Service) platform that provides scalable and on-demand cloud computing resources.

2. Explain the different service models in Oracle Cloud.

Answer: Oracle Cloud offers SaaS (Software-as-a-Service), PaaS (Platform-as-a-Service), and IaaS (Infrastructure-as-a-Service) service model.

3. What are the key benefits of using Oracle Cloud?

Answer: Benefits include scalability, high performance, cost efficiency, security, and ease of integration.

4. What is Oracle Autonomous Database?

Answer: Oracle Autonomous Database is a self-driving, self-securing, and self-repairing database service in Oracle Cloud.

5. How does Oracle Cloud ensure data security?

Answer: Oracle Cloud implements multiple security measures like encryption, access controls, identity and access management, and data masking.

6. Explain the role of Oracle Identity and Access Management (IAM).

Answer: IAM is used for managing user access and permissions within Oracle Cloud, ensuring secure authentication and authorization.

7. How does Oracle Cloud support scalability and high availability? 

Answer: Oracle Cloud provides scalable resources on-demand, and it uses redundancy and failover mechanisms to ensure high availability.

8. What is Oracle Cloud Infrastructure as Code (IaC)?

Answer: IaC is a way to define and manage cloud resources using code, allowing for infrastructure provisioning and configuration automation.

9. How can you migrate an on-premises database to Oracle Cloud?

Answer: Oracle provides various tools and services like Data Pump, Golden Gate, and Database Cloud Backup to migrate databases to the cloud.

10. How does Oracle Cloud integrate with other cloud platforms or on-premises systems?

Answer: Oracle Cloud offers integration tools like Oracle Integration Cloud Service (ICS) and Oracle Cloud Infrastructure (OCI) to facilitate seamless integration.

11. What is Oracle Cloud Load Balancer and how does it work?

Answer: Oracle Cloud Load Balancer distributes incoming traffic across multiple instances to ensure optimal performance and availability.

12. Explain the difference between Block Volume and Object Storage in Oracle Cloud.

Answer: Block Volume provides high-performance block storage for individual instances, while Object Storage offers scalable and durable object-based storage for files and data.

13. What is the difference between Oracle Cloud Infrastructure (OCI) and Oracle Cloud Applications (SaaS)? 

Answer: OCI provides the underlying infrastructure and services, while SaaS refers to ready-to-use applications hosted on Oracle Cloud.

14. How do you monitor and manage resources in Oracle Cloud?

Answer: Oracle Cloud provides tools like Oracle Cloud Infrastructure Monitoring, Oracle Cloud Infrastructure Logging, and Oracle Cloud Infrastructure Notifications for resource monitoring and management.

15. What is the role of Virtual Cloud Network (VCN) in Oracle Cloud?

Answer: VCN is a customizable and private network that allows you to define subnets, route tables, and security lists to securely connect your cloud resources.

16. How does Oracle Cloud support disaster recovery? 

Answer: Oracle Cloud offers disaster recovery solutions like Oracle Cloud Infrastructure Backup and Oracle Site Guard for data protection and business continuity.

17. Explain the concept of serverless computing in Oracle Cloud.

Answer: Serverless computing allows developers to build and run applications without managing the underlying infrastructure, enabling automatic scaling and cost optimization.

18. What are the key features of Oracle Cloud Autonomous Data Warehouse (ADW)?

Answer: ADW provides a fully managed and self-tuning data warehouse service, offering high performance, scalability, and security with minimal administration.

19. How does Oracle Cloud support hybrid cloud environments?

Answer: Oracle Cloud provides services like Oracle Cloud Infrastructure (OCI) VPN Connect and FastConnect to securely connect on-premises data centers with Oracle Cloud.

20. What is the Oracle Cloud Marketplace?

Answer: Oracle Cloud Marketplace is an online platform where customers can discover, deploy, and manage a wide range of applications and services from Oracle and third-party providers.

21. How does Oracle Cloud handle backup and restore operations?

Answer: Oracle Cloud offers services like Oracle Cloud Infrastructure Backup and Oracle Database Backup Service for automated and secure backup and restore operations.

22. What is Oracle Cloud Resource Manager and how is it used?

Answer: Resource Manager is a service that automates the process of provisioning and managing infrastructure resources in Oracle Cloud, allowing for infrastructure-as-code practices.

23. How does Oracle Cloud support containerization and Kubernetes?

Answer: Oracle Cloud Container Engine for Kubernetes (OKE) provides a managed Kubernetes service for running containerized applications with automated scaling and orchestration capabilities.

24. Explain the role of Oracle Cloud Identity and Access Management (IDCS).

Answer: IDCS is a comprehensive identity management platform in Oracle Cloud that provides single sign-on, multi-factor authentication, and centralized user administration.

25. How does Oracle Cloud support server migration and workload migration?

Answer: Oracle Cloud provides services like Oracle Cloud Infrastructure Classic to Oracle Cloud Infrastructure migration tools, which enable seamless migration of workloads and applications to the cloud.