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Oracle 1Z1-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administrator |
| Exam Number: | 1Z0-066 |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Exam Duration: | 120 minutes |
| Passing Score: | Approximately 66% |
| Certificate Validity Period: | Version-specific (generally does not expire unless superseded by newer certification versions) |
| Related Certifications: | Oracle Database 12c Certified Implementation Specialist Oracle Database 12c Administrator Certified Professional |
| Recommended Training: | Oracle University Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | ![]() |
| Exam Way: | Proctored exam via Pearson VUE testing centers or online proctoring (availability may vary by region) |
| Pre Condition: | Recommended: Oracle Database 12c Administrator Certified Associate (OCA) or equivalent database administration experience |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1Z1-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Configuration and Management | - Creating and configuring a Data Guard environment - Data Guard Broker configuration and management |
| Topic 2: Redo Transport and Apply | - Redo apply and recovery processes - Redo transport services |
| Topic 3: Oracle Data Guard Architecture | - Data Guard components and terminology - Primary and standby database concepts |
| Topic 4: Monitoring and Troubleshooting | - Monitoring Data Guard configuration - Resolving synchronization and apply issues |
| Topic 5: Role Transitions | - Switchover operations - Failover scenarios and best practices |
1Z1-066 Exam Questions Answered: Oracle Candidates' FAQ
Oracle Database 12c: Data Guard Administrator is an official exam run by Oracle under exam code 1Z1-066. Passing it awards the Oracle Database 12c Data Guard Administrator (Oracle Certified Specialist) certification, which sits at the Professional tier. It also counts toward related credentials such as Oracle Database 12c Administrator Certified Professional, Oracle Database 12c Certified Implementation Specialist. Certified professionals remain in shorter supply than the market wants, which is precisely why this exam keeps showing up in conversations about better roles and better pay.
Recommended: Oracle Database 12c Administrator Certified Associate (OCA) or equivalent database administration experience
Vendor rules do get revised, so treat this as your starting point and confirm the current eligibility details before booking via the official exam page.
Oracle Database 12c: Data Guard Administrator registration runs through these official channels.
Worth noting when you schedule: the exam is delivered Proctored exam via Pearson VUE testing centers or online proctoring (availability may vary by region).
Yes, Oracle points Oracle Database 12c: Data Guard Administrator candidates toward the following training.
Whatever course you choose, close the loop with question practice: the 112 items in the Actual4Exams 1Z1-066 package convert course knowledge into exam-day scoring ability.
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Oracle Database 12c: Data Guard Administrator breaks down into 5 official domains, led by Monitoring and Troubleshooting, Redo Transport and Apply, and Oracle Data Guard Architecture. You will find the full topic-by-topic outline above on this page; use the weightings to budget your study hours where they pay back the most.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Question 1
Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration Animals
Protection Mode: MaxPerformance
Databases:
dogs Primary database
sheep Snapshot standby database
cats Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
You receive an error while attempting to raise the protection mode to Maximum Availability:
DGMGDRL> edit configuration set protection mode as maxavailability;
Error: ORA-16627: operation disallowed since no standby databases would remain to support protection mode Failed.
Identify two statements that you can execute, either one of which will enable successful raising of the protection mode to Maximum Availability. (Choose two.)
A. DGMGRL> convert database cats to physical standby;
B. DGMGRL> edit database cats set property LogXptMode= sync;
C. DGMGRL> edit database dogs set property LogXptMode= fastsync;
D. DGMGRL> edit database sheep set property LogXptMode= fastsync;
E. DGMGRL> convert database sheep to physical standby;
Question 2
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:
SUCCESS
Which three will be true after a switchover to Sheep? (Choose three.)
A. Cats will be an enabled physical standby database.
B. Sheep will be the primary database.
C. Cats will be a disabled physical standby database.
D. Dogs will be an enabled logical standby database.
E. Dogs will be a disabled logical standby database.
Question 3
Which three are true about using Flashback database through role transitions in a Data Guard environment?
(Choose three.)
A. Logical standby databases retain their current role when you flash back through to a point in time the switchover occurred which caused this database to become a logical standby.
B. Physical standby databases retain their current role when you flash back to a point in time before the switchover occurred which caused this database to become a physical standby.
C. Logical standby database role are reverted to their original role when you flash back to a point in time before the switchover occurred which caused this database to become a logical standby.
D. Flashback database may not be used to undo a physical standby database activation.
E. Physical standby databases retain their current role when you flash back to a point in time before a reinstate occurred which caused this database to become a physical standby.
Question 4
You must manually reinstate a database using DGMGRL.
To which database should you connect with DGMGRL before issuing the REINSTATE command and in which state should the target database be?
A. The target database should be MOUNTED and DGMGRL should be connected to any database that is a member of the configuration.
B. The target database should be MOUNTED and DGMGRL should be connected to the target database.
C. The target database should be MOUNTED and DGMGRL should be connected to the primary database.
D. The target database should be in NOMOUNT state and DGMGRL should be connected to the primary database.
E. The target database should be in NOMOUNT state and DGMGRL should be connected to any database that is a member of the configuration.
Question 5
Which two are true about management of a far sync instance when using the Data Guard Broker? (Choose two.)
A. A far sync instance need not exist before adding it to the broker configuration but may not be enabled until created.
B. A far sync instance is in a disabled state in the broker configuration immediately after adding it.
C. Broker management of a far sync instance may only be disabled with the disable configuration DGMGRL command.
D. A far sync instance that has its RedoRoutes property set may not be disabled in the broker configuration.
Solutions:
| Question 1 Answer: B,D | Question 2 Answer: B,C,D | Question 3 Answer: B,C,E | Question 4 Answer: C | Question 5 Answer: B,D |
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