- Exam Code: 1Z1-066
- Exam Name: Oracle Database 12c: Data Guard Administrator
- Updated: Sep 19, 2026
- Q & A: 112 Questions and Answers
Short on time before your 1Z1-066 exam date? Actual4Dumps packs 112 focused practice questions for the Oracle Database 12c: Data Guard Administrator into a format you can work through whenever a spare hour appears, so even a busy schedule is no excuse.
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administration |
| Exam Number: | 1Z0-066 |
| Exam Duration: | 120 minutes |
| Related Certifications: | Oracle Database Administration 2019 Certified Professional Oracle Database 11g Administrator Certified Professional Oracle Database 12c Administrator Certified Professional |
| Passing Score: | 61% |
| Available Languages: | English |
| Real Exam Qty: | 74 |
| Exam Price: | $245 USD |
| Exam Format: | Multiple Choice |
| Certificate Validity Period: | Valid until retirement; no fixed expiration |
| Recommended Training: | Oracle Database 12c: Data Guard Administration |
| Exam Registration: | Oracle University Exam Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite at Oracle authorized testing centers |
| Pre Condition: | Must hold one of: Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, or Oracle Database Administration 2019 Certified Professional |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-12c-data-guard-administration/pexam_1Z0-066 |
| Section | Weight | Objectives |
|---|---|---|
| Data Protection Modes | 8% | - Maximum Protection, Availability, Performance - Switch between protection modes |
| Create Physical Standby Database | 12% | - Using SQL and RMAN duplicate command - Verify and test configuration - Using Enterprise Manager Cloud Control |
| Manage Network Services | 6% | - Configure client connectivity - Automatic client failover - Application Continuity |
| Data Guard Broker | 12% | - Create and manage broker configuration - Monitor via EM and DGMGRL - Architecture and benefits |
| Role Transitions | 10% | - Perform failover operations - Observer management - Perform switchover operations - Fast-Start Failover configuration |
| Patching, Upgrading and Optimization | 8% | - Rolling upgrades and patching - Optimize redo transport - Optimize SQL Apply performance |
| Active Data Guard Features | 10% | - Real-time Query access - Automatic Block Media Recovery - Temporary Undo and Global Sequences - Far Sync instance |
| Snapshot and Logical Standby | 8% | - Create and manage snapshot standby - SQL Apply filtering - Convert between physical and snapshot - Create and manage logical standby |
| Oracle Data Guard Basics | 8% | - Multi-tenant database support - Benefits and use cases - Architecture and components - Standby database types: physical, logical, snapshot |
| Backup, Recovery and Flashback | 8% | - RMAN backup to standby - Archive log management - Flashback Database usage |
The Oracle Database 12c: Data Guard Administrator is the official Oracle exam that leads to the Oracle Certified Expert, Oracle Database 12c: Data Guard Administrator certification at the Expert level. Passing it validates your skills against Oracle standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, Oracle Database Administration 2019 Certified Professional, so it can serve as a solid step in a broader certification path.
The 1Z1-066 exam has 74 questions in total and must be completed within 120 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 120 minutes limit, and repeat until you can finish with a few minutes left for review.
The passing score for the 1Z1-066 exam is 61%, and the official registration fee is $245 USD. Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 112 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.
Oracle sets the following requirement for the 1Z1-066 exam: Must hold one of: Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, or Oracle Database Administration 2019 Certified Professional. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://education.oracle.com/oracle-database-12c-data-guard-administration/pexam_1Z0-066 before you register.
You can register for the Oracle Database 12c: Data Guard Administrator through the following official channels:
The 1Z1-066 exam is delivered as Online proctored or onsite at Oracle authorized testing centers, so review the technical and check-in requirements for that format when you schedule your appointment.
Oracle recommends the following official training options for the Oracle Database 12c: Data Guard Administrator:
Official courses build the theory, and pairing them with the 112 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.
Yes. Actual4Dumps offers a free PDF demo for the Oracle Database 12c: Data Guard Administrator, so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
If you take the 1Z1-066 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. To qualify, submit a scanned copy of your exam enrollment slip together with your official Score Report (PDF) within 2 days after the exam date, and your claim will be processed within 7 days. Note that the guarantee applies only to the corresponding exam: attempts taken within 3 days of purchase, downloaded-but-unused materials, free resources, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not refund, you can exchange the product for two free exam products of equal value while keeping the update service on your original purchase.
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The Oracle Database 12c: Data Guard Administrator is organized into 10 domains. Among the first ones are Oracle Data Guard Basics (8%), Data Protection Modes (8%), Data Guard Broker (12%), and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full 1Z1-066 exam outline above on this page.
You have a Data Guard broker configuration consisting of:
1. A primary database
2. One local physical standby database
3. One far sync instance
4. A remote physical standby database
The broker configuration was created with the DGMGRL utility after creating all the databases and the far sync instance with command-line tools.
What is the correct way to add this configuration to Enterprise Manager Cloud Control assuming all the nodes have been discovered already as Enterprise Manager targets?
Correct Answer: A 🗳️
Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
dogs - Primary database
cats - Physical standby database
sheep - Logical standby database
Fast-Start Failover: DISABLED
Configuration Status:
ORA-01034: ORACLE not available
ORA-16625: cannot reach database "dogs"
DGM-17017: unable to determine configuration status
Which three will be true after a successful failover to Sheep? (Choose three.)
Correct Answer: A,B,F 🗳️
Examine the Data Guard configuration:
DGMGRL > show configuration:
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
dogs Primary database
cats Snapshot standby database
sheep Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status:
ORA-01034: ORACLE not available
ORA-16625: cannot reach database "dogs"
DGM-17017: unable to determine configuration status
Which three will be true after a successful failover to Cats? (Choose three.)
Correct Answer: A,B,E 🗳️
Which four database parameters might be affected by or influence the creation of standby databases? (Choose four.)
Correct Answer: A,E,F,G 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
Which two are true about rolling release upgrades in a Data Guard environment? (Choose two.)
Correct Answer: A,E 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
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