Oracle 1z0-998-21 Exam Collection - Oracle Database Cloud Service 2021 Specialist

Updated: Jul 31, 2026
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Oracle 1z0-998-21 Exam Syllabus Topics:

SectionObjectives
Topic 1: Performance and Monitoring- Monitoring tools
  • 1. Performance Hub usage
    • 2. OCI Monitoring service
      - Performance tuning
      • 1. SQL tuning concepts
        • 2. Resource management
          Topic 2: Provisioning and Management- Database provisioning
          • 1. Compute and storage configuration
            • 2. Service creation workflows
              - Lifecycle management
              • 1. Backup and restore operations
                • 2. Scaling and patching
                  Topic 3: Oracle Cloud Database Services Overview- OCI Database Service Architecture
                  • 1. Shared responsibilities model
                    • 2. Service deployment options
                      - Autonomous Database Concepts
                      • 1. Autonomous Transaction Processing
                        • 2. Autonomous Data Warehouse
                          Topic 4: Migration and Integration- Integration services
                          • 1. Hybrid cloud integration
                            • 2. API and connectivity options
                              - Database migration strategies
                              • 1. Cloud migration tools
                                • 2. Data Pump migration
                                  Topic 5: Security and Access Control- Identity and access management
                                  • 1. Database authentication methods
                                    • 2. IAM policies and roles
                                      - Data protection
                                      • 1. Encryption at rest and in transit
                                        • 2. Vault and key management

                                          Oracle Database Cloud Service 2021 Specialist Sample Questions:

                                          1. What might be the effect of modifying the firewall rules for 169.254.0.2:3260 and 169.254.0.3:80?

                                          A) Users may not be able to connect to database service.
                                          B) It allows the non-root users to modify the system's boot volume.
                                          C) It allows the non-root user to access the database.
                                          D) TDE for the database might stop working.


                                          2. Which three are PaaS services?

                                          A) Data Integration Platform Cloud
                                          B) Oracle Tax Reporting Cloud
                                          C) Big Data Cloud
                                          D) Oracle Analytics Cloud
                                          E) Oracle Enterprise Performance Management Cloud


                                          3. Which two are the minimum prerequisites to launch a DB system?

                                          A) Public key in OpenSSH format
                                          B) Virtual Cloud Network with default security list
                                          C) Virtual Cloud Network with default service gateway
                                          D) Private key in OpenSSH format
                                          E) Dynamic Routing Gateway


                                          4. You want to store the backup of a database to the Object storage for the long extended period of time due to the mandatory compliance. Which approach would you use?

                                          A) Big Data/Hadoop support
                                          B) Very large datasheets
                                          C) Backup/archive
                                          D) Content repository


                                          5. Which four are the advantages of migrating to Oracle Cloud Infrastructure?

                                          A) performs automatic backups to object storage
                                          B) has automated data Guard configuration for both primary and standby systems available across availability domains only
                                          C) supports RAC options only for bare metal shapes
                                          D) allows to run clustered databases on virtual machine DB systems
                                          E) is integrated with Exadata to provide high performance, availability, and scalability
                                          F) has three way mirrored storage


                                          Solutions:

                                          Question # 1
                                          Answer: B
                                          Question # 2
                                          Answer: A,C,D
                                          Question # 3
                                          Answer: C,D
                                          Question # 4
                                          Answer: C
                                          Question # 5
                                          Answer: A,B,E,F

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