Top 5 Most Asked Questions in C100DBA Exam – Prepare for
Oracle Autonomous Database Certification

Why These Questions Are More Important: Instructor and Student Perspectives
The C100DBA exam focuses on the Oracle Autonomous Database, a key service in Oracle
Cloud that automates database management tasks. Instructors emphasize the importance of these
questions because they test both fundamental database concepts and the specific configurations,
management, and optimization features that Autonomous Database offers.

From a student’s perspective:
focusing on these high-frequency questions ensures that preparation is aligned with what’s most
likely to appear on the exam. Being familiar with these topics boosts both confidence and the
ability to manage real-world Oracle Cloud environments efficiently.

5 Most Asked Questions in C100DBA Exam in the Last 5 Years

1. What is Oracle Autonomous Database and how does it differ from traditional
databases?
Answer:
Oracle Autonomous Database is a cloud-native database service that leverages machine
learning to automate routine database management tasks such as tuning, patching,
backups, and scaling. Unlike traditional databases, which require manual intervention for
maintenance and performance optimization, Autonomous Database uses self-driving
capabilities to ensure high availability, security, and efficiency without manual DBA
tasks.

2. How do you scale Oracle Autonomous Database?
Answer:
Oracle Autonomous Database allows users to scale their compute and storage resources
independently based on workload demands. This can be done easily through the Oracle
Cloud console, where users can adjust the resources according to their needs. This
elasticity ensures that organizations only pay for what they use while maintaining optimal
performance for workloads at scale.



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3. What are the key features of Oracle Autonomous Database on Shared
Infrastructure vs. Dedicated Infrastructure?
Answer:
The primary difference between these two deployment options lies in how resources are
allocated. Shared Infrastructure uses a multi-tenant architecture, where resources are
shared with other customers. It is cost-effective and suitable for smaller to medium
workloads. In contrast, Dedicated Infrastructure provides dedicated resources and more
control over network architecture, making it ideal for larger, more demanding enterprise
workloads or organizations requiring stricter compliance and governance.

4. How does Oracle Autonomous Database ensure data security?
Answer:
Oracle Autonomous Database uses a multi-layered security approach, which includes
encryption both in transit and at rest, automatic patching, and security updates. It also
leverages Oracle's advanced security features such as Oracle Identity and Access
Management (IAM) to control user access. The database is continuously monitored, and
security vulnerabilities are addressed automatically, making it a highly secure option for
sensitive workloads.

5. What is the role of Oracle Data Guard in Autonomous Database?
Answer:
Oracle Data Guard is a disaster recovery solution that ensures data availability and
protection by maintaining standby databases. For Autonomous Database, Data Guard can
be configured to create standby databases in different regions, ensuring that if a failure
occurs in the primary database, the system can failover to a standby, minimizing
downtime and preventing data loss.

Where to Find These Questions
For candidates preparing for the C100DBA exam, resources such as killerdumps provide
updated C100DBA exam dumps with practice questions and real exam scenarios. These exam
dumps are an excellent resource to familiarize yourself with the types of questions you’ll
encounter in the actual certification exam. Utilizing these materials will help you cover essential
topics and enhance your understanding of the Oracle Autonomous Database platform, ensuring
you are well-prepared to succeed in the exam.