Exam Name: Oracle Database Cloud Service 2021 Specialist
Certification Provider: Oracle
Corresponding Certification: Oracle Database Cloud
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Instant Download Oracle : 1z0-998-21 Questions & Answers as PDF & Test Engine
Updated: Sep 22, 2026
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Oracle 1z0-998-21 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| DB System Deployment & Management | 25% | - Supported database editions and versions - Connecting to cloud databases - Provisioning, scaling, and configuration - Bare metal, VM, and Exadata DB systems |
| Oracle Cloud Platform & Database Cloud Overview | 15% | - Autonomous Database solution overview - Database cloud service models and architecture - Oracle Cloud Infrastructure fundamentals |
| OCI Core Services & Networking | 20% | - Virtual Cloud Network (VCN) concepts - Compute, storage, and object storage services - OCI security and IAM |
| Migration & High Availability | 20% | - Monitoring and troubleshooting - Migration methods: Data Pump, RMAN, SQL Developer - Data Guard and MAA architecture |
| Patching, Backup & Recovery | 20% | - RMAN backup and recovery - Automatic backups and point-in-time recovery - Patching DB systems and databases |
Oracle Database Cloud Service 2021 Specialist Sample Questions:
What is true about the creation of subnets in a VCN?
- A. While creating a subnet, security lists must be specified.
- B. A subnet is created in multiple availability domains for high availability.
- C. While creating a subnet, the route table must be specified.
- D. A subnet is created in a single availability domain.
Correct Answer: D 🗳️
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Which Oracle database editions and versions are supported on bare metal DB systems?
- A. all database editions and versions starting from 12c
- B. all database editions and DB versions starting from 11.2
- C. all database editions and all versions
- D. all database editions and versions starting from 18c
Correct Answer: C 🗳️
You want to connect to a database in the DB system with SQL Developer. Which three are the prerequisites?
- A. Open port 1521 for listener in VCN
- B. Open port 1521 on the local system
- C. SSH tunnel from local system to DB system
- D. Private key
- E. Public key
Correct Answer: A,C,D 🗳️
You want to migrate the Oracle workload along with the third party apps to OCI without re-architecting. Which method enables the migration of environment from on-premises to OCI?
- A. Backup and recovery
- B. Infrastructure heavy workloads
- C. Lift and shift
- D. Cloud native workloads
Correct Answer: C 🗳️
Which two statements are true about VM DB systems?
- A. It can have multiple database homes with different database software versions.
- B. Number of CPU cores cannot be changed after the creation of the DB system.
- C. It can have one or two nodes based on the shape selected for the DB system.
- D. It can have only one node with local storage.
Correct Answer: B,C 🗳️
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