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Updated: Sep 18, 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 Price: | 245 USD |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Oracle Cloud Infrastructure Specialist Oracle Cloud Database Administrator |
| Exam Format: | Multiple Choice, Multiple Select |
| Passing Score: | 67% |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 72-76 |
| Recommended Training: | Oracle Database Cloud Service Training |
| Exam Registration: | Pearson VUE Scheduling Oracle University Registration |
| Sample Questions: | Oracle 1z0-998-21 Sample Questions |
| 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: DB System Deployment & Management | 25% | - Bare metal, VM, and Exadata DB systems - Supported database editions and versions - Provisioning, scaling, and configuration - Connecting to cloud databases |
| Topic 2: OCI Core Services & Networking | 20% | - Virtual Cloud Network (VCN) concepts - Compute, storage, and object storage services - OCI security and IAM |
| Topic 3: Migration & High Availability | 20% | - Monitoring and troubleshooting - Migration methods: Data Pump, RMAN, SQL Developer - Data Guard and MAA architecture |
| Topic 4: Oracle Cloud Platform & Database Cloud Overview | 15% | - Autonomous Database solution overview - Database cloud service models and architecture - Oracle Cloud Infrastructure fundamentals |
| Topic 5: Patching, Backup & Recovery | 20% | - Patching DB systems and databases - RMAN backup and recovery - Automatic backups and point-in-time recovery |
Oracle Database Cloud Service 2021 Specialist Sample Questions:
Which two important factors need to considered while configuring a DB system?
- A. Cluster Time Synchronization Service
- B. Transparent Data Encryption
- C. Service Gateway
- D. Dynamic Routing Gateway
- E. Network Time Protocol
Correct Answer: B,E 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
You want to connect to a DB system from your local system, for that you need to update the security list. Examine the steps to update the security list:
Identify the required steps in the correct order.
- A. 1,3,2,4,5,6,7
- B. 3,1,2,4,5,7,6
- C. 1,2,3,5,4,6,7
- D. 1,3,2,5,4,7,6
Correct Answer: C 🗳️
What is the default encryption for user-defined tablespaces in a database on OCI?
- A. encrypt_new_tablespaces = NONE
- B. encrypt_new_tablespaces = cloud only
- C. encrypt_new_tablespaces = DDL
- D. encrypt_new_tablespaces = true
Correct Answer: B 🗳️
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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.GETHTTPPORT
- B. DBMS_XDB_CONFIG.SETLISTENERENDPOINT
- C. DBMS_XDB_CONFIG.GETHTTPSPORT
- D. DBMS_XDB_CONFIG.SETHTTPSPORT
Correct Answer: D 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
Examine the command:
Which statement is true about the execution of the command?
- A. associates the backup job ID with the database ID
- B. recovers the incremental level 0 backup with the incremental level 1 backup
- C. updates the DB system with the latest CLI commands
- D. associates the configuration ID with the database ID
Correct Answer: D 🗳️
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