Oracle Database Cloud Service 2021 Specialist : 1z0-998-21

1z0-998-21 Exam Simulator
  • Exam Code: 1z0-998-21
  • Exam Name: Oracle Database Cloud Service 2021 Specialist
  • Updated: Aug 26, 2026
  • Q & A: 76 Questions and Answers

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Oracle 1z0-998-21 Exam Syllabus Topics:

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

                                          Oracle Database Cloud Service 2021 Specialist Sample Questions:

                                          Question 1

                                          What is the retention period for automatic incremental backups in Object Storage?

                                          A. 7 days
                                          B. 180 days
                                          C. 90 days
                                          D. 30 days


                                          Question 2

                                          Which three are true about Transparent Data Encryption (TDE)?

                                          A. dbcli update_tdekey command is used to update the master encryption key for a PDB.
                                          B. TDE stores the master key outside the database in an external security module.
                                          C. Set encrypt new table spaces parameter to false to stop encrypting the tablespaces.
                                          D. TDE allows you to encrypt sensitive data in individual columns.
                                          E. When the TDE master encryption key is reset, backups taken using the old TDE master encryption key become obsolete.
                                          F. TDE overrides access controls configured using Oracle Database Vault.


                                          Question 3

                                          Which two statements are true about bare metal DB systems?

                                          A. It consists of a single server with locally attached NVMe storage.
                                          B. It can have multiple database homes, which can be of different versions.
                                          C. It can have performance overhead due to a single server.
                                          D. It can have multiple database homes with different database software edition.


                                          Question 4

                                          You want to enable the EM Express console for a database in the DB system. Which procedure/function would you use?

                                          A. DBMS_XDB_CONFIG.GETHTTPSPORT
                                          B. DBMS_XDB_CONFIG.SETLISTENERENDPOINT
                                          C. DBMS_XDB_CONFIG.GETHTTPPORT
                                          D. DBMS_XDB_CONFIG.SETHTTPSPORT


                                          Question 5

                                          Examine the steps to create a backup using CLI:

                                          Identify the required steps in correct order.

                                          A. 1,3,4,5,6,7
                                          B. 2,4,3,5,6,7
                                          C. 2,3,4,5,6,7
                                          D. 1,4,3,5,6,7


                                          Solutions:

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

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