Exam Name: Oracle Database Cloud Service 2021 Specialist
Certification Provider: Oracle
Corresponding Certification: Oracle Database Cloud
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Updated: Sep 02, 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 Format: | Multiple Choice Questions (MCQ) |
| Real Exam Qty: | Approximately 70–76 |
| Available Languages: | English |
| Related Certifications: | Oracle Database Cloud Service 2020 Specialist (1Z0-998-20) |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Delivered online through Oracle's certification platform (MyLearn) or in-person at authorized testing centers |
| Pre Condition: | Familiarity with Oracle Cloud Infrastructure and database administration concepts recommended |
Oracle 1z0-998-21 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Cloud Service Deployment | - Create and provision DB systems - Configure Bare Metal and VM database systems |
| Topic 2: Oracle Cloud Infrastructure (OCI) Basics | - Networking (VCN, subnets, security lists) - Fundamental OCI concepts and services |
| Topic 3: Administration and Operations | - Monitoring and maintenance tasks - Scaling and patching DB systems |
| Topic 4: Storage and Backup | - Backup and recovery using RMAN and object storage - Storage architecture and boot disk management |
Oracle 1z0-998-21 Exam Questions Answered
The 1z0-998-21 exam leads to the Oracle Database Cloud certification from Oracle. It is positioned at the Specialist level. The exam validates the knowledge and skills expected of candidates preparing for Oracle Database Cloud Service 2021 Specialist.
Related certifications include:
- Oracle Database Cloud Service 2020 Specialist (1Z0-998-20)
Familiarity with Oracle Cloud Infrastructure and database administration concepts recommended
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
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The current 1z0-998-21 outline is organized into 4 top-level domains. The first listed areas include:
- Storage and Backup
- Administration and Operations
- Oracle Cloud Infrastructure (OCI) Basics
Review the Exam Topics section above for the complete outline and any nested subtopics.
Oracle Database Cloud Service 2021 Specialist Sample Questions:
Question 1
Which two complexities must be applied to the Database Admin passwords?
A. Password must be 16 characters and contain at least two uppercase, two lowercase, two special, and two numeric characters.
B. Special characters must be _, #, or -.
C. Password must be 9 to 30 characters and contain at least two uppercase, two lowercase, two special, and two numeric characters.
D. Password must be 8 to 24 characters and contain at least one uppercase, lowercase, special, and numeric characters.
Question 2
Which two statements are true about the API Signing Key?
A. It must be generated with a passphrase.
B. RSA key pair in PEM format must have minimum of 1024 bits.
C. It is a RSA key pair in the PEM format.
D. It is required when using OCI API in conjunction with the SDK/CLI.
Question 3
You administer a database that is configured in ARCHIVELOG mode. A full RMAN backup exists. In which two scenarios is RMAN incomplete recovery required?
A. if all members of the CURRENT online redo log group are lost
B. if a copy of the multiplexed control file is lost
C. if the data file of an UNDO tablespace that is in use is lost
D. if SYSTEM tablespace data file is lost
E. if all members of an ACTIVE online redo log group are lost when attempting to open the database
Question 4
Which two are the minimum prerequisites to launch a DB system?
A. Virtual Cloud Network with default security list
B. Virtual Cloud Network with default service gateway
C. Public key in OpenSSH format
D. Dynamic Routing Gateway
E. Private key in OpenSSH format
Question 5
What is true about the creation of subnets in a VCN?
A. A subnet is created in multiple availability domains for high availability.
B. A subnet is created in a single availability domain.
C. While creating a subnet, the route table must be specified.
D. While creating a subnet, security lists must be specified.
Solutions:
| Question 1 Answer: B,C | Question 2 Answer: C,D | Question 3 Answer: B,D | Question 4 Answer: B,E | Question 5 Answer: B |
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