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Updated: Sep 12, 2026

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Oracle 1z0-998-21 Exam Overview:

Certification Vendor:Oracle
Exam Name:Oracle Database Cloud Service 2021 Specialist
Exam Number:1Z0-998-21
Certificate Validity Period:18 months
Exam Duration:90 minutes
Available Languages:English
Exam Format:Multiple Response, Multiple Choice
Passing Score:68%
Related Certifications:Oracle Cloud Infrastructure Certification
Oracle Autonomous Database Specialist
Exam Price:USD 245
Real Exam Qty:50-60
Recommended Training:Oracle Cloud Infrastructure Training
Exam Registration:Oracle Certification Registration
Sample Questions:Oracle 1z0-998-21 Sample Questions
Exam Way:Online proctored exam or test center delivery
Pre Condition:Basic knowledge of Oracle Database and Oracle Cloud Infrastructure is recommended.
Official Syllabus URL:https://education.oracle.com

Oracle 1z0-998-21 Exam Syllabus Topics:

SectionObjectives
Topic 1: Oracle Cloud Database Services Overview- Autonomous Database Concepts
  • 1. Autonomous Data Warehouse
    • 2. Autonomous Transaction Processing
      - OCI Database Service Architecture
      • 1. Service deployment options
        • 2. Shared responsibilities model
          Topic 2: 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
                  Topic 3: 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 4: Migration and Integration- Database migration strategies
                          • 1. Data Pump migration
                            • 2. Cloud migration tools
                              - Integration services
                              • 1. API and connectivity options
                                • 2. Hybrid cloud integration
                                  Topic 5: Performance and Monitoring- Monitoring tools
                                  • 1. OCI Monitoring service
                                    • 2. Performance Hub usage
                                      - Performance tuning
                                      • 1. Resource management
                                        • 2. SQL tuning concepts

                                          Oracle Database Cloud Service 2021 Specialist Sample Questions:

                                          Question #1

                                          Examine the command:

                                          Curl -v -X HEAD -u <user_ID>: '<auth_token>' Error! Hyperlink reference not valid.
                                          Which statement is true about the execution of the command?

                                          • A. used to check the connectivity between RMAN and object store
                                          • B. used to check the connectivity between host and the object store
                                          • C. used to download the backup from the object store for recovery purposes
                                          • D. used to upload the backup to the object store
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B  🗳️

                                          Question #2

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

                                          • A. Public key in OpenSSH format
                                          • B. Private key in OpenSSH format
                                          • C. Dynamic Routing Gateway
                                          • D. Virtual Cloud Network with default service gateway
                                          • E. Virtual Cloud Network with default security list
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B,D  🗳️

                                          Question #3

                                          You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
                                          ORA-28374: typed master key not found in wallet.
                                          What could be the possible reason?

                                          • A. Entry for the TDE wallet in the sqlnet.ora is missing.
                                          • B. TDE wallet does not exist.
                                          • C. Master key encryption is not activated for the new PDB.
                                          • D. TDE wallet is corrupted or lost.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

                                          Question #4

                                          Examine the steps to create a backup using CLI:

                                          Identify the required steps in correct order.

                                          • A. 2,3,4,5,6,7
                                          • B. 1,3,4,5,6,7
                                          • C. 2,4,3,5,6,7
                                          • D. 1,4,3,5,6,7
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

                                          Question #5

                                          You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
                                          ORA-28374: typed master key not found in wallet.
                                          Which three options would resolve this problem?

                                          • A. Change the location of the auto-login wallet.
                                          • B. Activate the master encryption key for the newly created PDB.
                                          • C. Disable the auto-login wallet and convert the wallet to password wallet.
                                          • D. Delete the encryption wallet entry from the sqlnet.orA.
                                          • E. Re-enable the auto-login wallet.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A,B,C  🗳️

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