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Last Updated: Sep 23, 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 |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 72-76 |
| Exam Format: | Multiple Select, Multiple Choice |
| Available Languages: | English |
| Passing Score: | 67% |
| Related Certifications: | Oracle Cloud Database Administrator Oracle Cloud Infrastructure Specialist |
| Exam Price: | 245 USD |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Oracle Database Cloud Service Training |
| Exam Registration: | Pearson VUE Scheduling Oracle University Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; hands-on experience with OCI and Oracle Database recommended |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-cloud-service-2021-specialist/pexam_1Z0-998-21 |
Oracle 1z0-998-21 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Migration & High Availability | 20% | - Monitoring and troubleshooting - Migration methods: Data Pump, RMAN, SQL Developer - Data Guard and MAA architecture |
| Topic 2: Patching, Backup & Recovery | 20% | - Patching DB systems and databases - Automatic backups and point-in-time recovery - RMAN backup and recovery |
| Topic 3: Oracle Cloud Platform & Database Cloud Overview | 15% | - Autonomous Database solution overview - Database cloud service models and architecture - Oracle Cloud Infrastructure fundamentals |
| Topic 4: DB System Deployment & Management | 25% | - Provisioning, scaling, and configuration - Connecting to cloud databases - Supported database editions and versions - Bare metal, VM, and Exadata DB systems |
| Topic 5: OCI Core Services & Networking | 20% | - Virtual Cloud Network (VCN) concepts - Compute, storage, and object storage services - OCI security and IAM |
Oracle Database Cloud Service 2021 Specialist Essentials: What Candidates Ask
- Patching, Backup & Recovery (20%)
- Migration & High Availability (20%)
- Oracle Cloud Platform & Database Cloud Overview (15%)
Oracle Database Cloud Service 2021 Specialist Sample Questions:
You are creating a new virtual cloud network (VCN) and you have selected "CREATE VIRTUAL CLOUD NETWORK PILUS RELATED RESOURCES" option. Which three additional resources will be created?
- A. Route table with rule
- B. Internet Gateway
- C. Three subnets
- D. Service Gateway
- E. Dynamic Routing Gateway
Correct Answer: A,B,C 🗳️
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Which two statements are true about scaling up the DB systems?
- A. Storage for the bare metal DB system can be scaled up.
- B. CPU cores for the bare metal DB system can be scaled up.
- C. CPU cores for the VM DB system can be scaled up.
- D. Storage for the VM DB system can be scaled up.
Correct Answer: B,D 🗳️
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Which three are the basic security considerations for using any application securely?
- A. Establish who should access which system components and how often, and monitor those components.
- B. Ensure that different applications have separate Virtual Cloud Networks (VCN).
- C. Keep up-to-date on security information and apply all the security patches.
- D. Use the default password allocated by the administrator while creating an account.
- E. Review user privileges to determine relevance to current work requirements.
Correct Answer: A,C,E 🗳️
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Examine the command:
dbcli describe-component
What information will you get by executing this command?
- A. displays the installed patch versions for the DB system
- B. displays all the storage objects created
- C. displays the latest patch available for the DB system
- D. displays all the components related to the Object Storage
Correct Answer: A 🗳️
You want to connect to a DB system with SSH using putty from a Windows machine. Which two are the prerequisites?
- A. Listener port number
- B. Public key
- C. OCID
- D. Private key
- E. Public IP of the DB system
Correct Answer: B,D 🗳️
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