Some certification exams are hard because of the content; the 1Z0-066 exam is hard because of how that content is asked. The Oracle Database 12c: Data Guard Administrator practice questions from ExamTorrent train you on the asking, not just the answering.
Oracle 1Z0-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administration |
| Exam Number: | 1Z0-066 |
| Certificate Validity Period: | Valid until retirement; no fixed expiration |
| Exam Format: | Multiple Choice |
| Exam Price: | $245 USD |
| Passing Score: | 61% |
| Related Certifications: | Oracle Database Administration 2019 Certified Professional Oracle Database 12c Administrator Certified Professional Oracle Database 11g Administrator Certified Professional |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 74 |
| Available Languages: | English |
| 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 |
Oracle 1Z0-066 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Protection Modes | 8% | - Switch between protection modes - Maximum Protection, Availability, Performance |
| Role Transitions | 10% | - Observer management - Perform switchover operations - Fast-Start Failover configuration - Perform failover operations |
| Active Data Guard Features | 10% | - Far Sync instance - Real-time Query access - Automatic Block Media Recovery - Temporary Undo and Global Sequences |
| Create Physical Standby Database | 12% | - Using SQL and RMAN duplicate command - Verify and test configuration - Using Enterprise Manager Cloud Control |
| Patching, Upgrading and Optimization | 8% | - Optimize redo transport - Rolling upgrades and patching - Optimize SQL Apply performance |
| Data Guard Broker | 12% | - Architecture and benefits - Monitor via EM and DGMGRL - Create and manage broker configuration |
| Backup, Recovery and Flashback | 8% | - Archive log management - RMAN backup to standby - Flashback Database usage |
| Snapshot and Logical Standby | 8% | - Convert between physical and snapshot - SQL Apply filtering - Create and manage snapshot standby - Create and manage logical standby |
| Manage Network Services | 6% | - Automatic client failover - Application Continuity - Configure client connectivity |
| Oracle Data Guard Basics | 8% | - Architecture and components - Standby database types: physical, logical, snapshot - Multi-tenant database support - Benefits and use cases |
1Z0-066 Exam FAQ: Straight Answers from ExamTorrent
The 1Z0-066 exam is Oracle's official assessment for the Oracle Certified Expert, Oracle Database 12c: Data Guard Administrator certification, positioned at the Expert level. It measures whether you can apply the Oracle Database 12c: Data Guard Administrator skills in practical, job-like situations — which is why rote memorization alone rarely gets candidates across the line. The credential fits into a wider Oracle certification path that includes Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, Oracle Database Administration 2019 Certified Professional, so passing it opens more than one door. Think of the 1Z0-066 exam as the point where your preparation becomes a qualification employers can verify.
The Oracle Database 12c: Data Guard Administrator syllabus is organized into 10 domains, beginning with Data Protection Modes (8%), Backup, Recovery and Flashback (8%), and Patching, Upgrading and Optimization (8%). Those percentages are your study budget: a domain carrying a larger share of the score deserves a matching share of your hours. The full domain-by-domain breakdown is in the exam topics section above — work from that, not from habit.
You'll have 120 minutes to complete 74 questions on the Oracle Database 12c: Data Guard Administrator exam. Before test day, convert those numbers into a per-question time budget — then defend it. When a single question starts eating double its share, mark it, move on, and return with whatever time remains. Two or three full timed runs in the ExamTorrent test engine will make that discipline automatic; its built-in timer records every attempt so you can watch your pace improve session by session.
Oracle sets the passing bar at 61%, and a seat at the 1Z0-066 exam costs $245 USD. There is no reduced fee for a second try — a miss means paying the full amount again — so the cheapest retake is the one you never need. A sensible approach: run timed self-assessments with ExamTorrent practice tests until your scores sit comfortably above the passing mark with margin to spare, then book your exam date. That cushion absorbs nerves and the inevitable oddball question.
Oracle lists the Oracle Database 12c: Data Guard Administrator question formats as: Multiple Choice. Each format has its own trap. With scenario items, the actual question hides at the end of a long stem — read the last sentence first, then work back through the details. With elimination-friendly formats, cross out what you can disprove before committing. The ExamTorrent question bank lets you rehearse every format until the mechanics feel boring, which is exactly where you want to be on exam day.
You can sit the Oracle Database 12c: Data Guard Administrator exam in English. Go with whichever language you process fastest under pressure — comprehension speed quietly decides close exams. If English is your choice, working through ExamTorrent's 112 English-language practice questions doubles as terminology drills, so the exam's phrasing reads like a familiar accent instead of a foreign one.
Once you pass the Oracle Database 12c: Data Guard Administrator exam, your credential stays valid for Valid until retirement; no fixed expiration. Don't let that date ambush you — mark it on a calendar now, and look into the recertification path well before expiry so renewal is a planned errand rather than an emergency. Recertification rules belong to Oracle and do change, so verify the current policy on the official certification page.
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Short on time? The test engines' automatic performance reports show you which topics still bleed points, so your remaining hours land where they matter.
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Oracle Database 12c: Data Guard Administrator Sample Questions:
Which two are true concerning the configuring of Flashback database in a Data Guard environment? (Choose two.)
- A. It is a prerequisite for the use of Fast Start Failover.
- B. It permits a primary database that was disabled after failover to be reinstated as a standby.
- C. It is required in order for a snapshot standby database to be converted to a physical database.
- D. It permits a physical standby database to be converted to a snapshot standby database.
- E. It enables the use of far sync instances.
Correct Answer: A,E 🗳️
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A query on the view DBA_LOGSTDBY_UNSUPPORTED on your primary database returns several rows.
As a result of this, you decide that an upgrade may not use logical standby databases.
Which three are true about upgrading Data Guard environments consisting of one physical standby database running on a separate host from the primary? (Choose three.)
- A. Redo Apply on the standby database must be stopped while the primary database is upgraded.
- B. The new release of the Oracle Software must be installed on both the primary and standby database hosts.
- C. The upgrade requires downtime until the upgrade of the primary is completed.
- D. Fast-Start Failover can be used to protect the primary database during the upgrade.
- E. The broker must be disabled during the upgrade.
- F. The upgrade requires downtime until the upgrade of the standby is completed.
- G. With manual upgrade, catupgrd.sql can be executed on the primary and standby databases simultaneously.
Correct Answer: B,C,E 🗳️
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You created the PRODSBY1 physical standby database for the PROD primary database using SQL and RMAN.
You are planning to create a Data Guard Broker configuration.
You execute the command:
DGMGRL> CREATE CONFIGURATION 'DGConfig' AS
> PRIMARY DATABASE IS 'PROD'
> CONNECT IDENTIFIER IS PROD;
Which three statements are true regarding the execution of the command? (Choose three.)
- A. The command will execute successfully only if the DG_BROKER_START initialization is set to TRUE for the PROD database instance.
- B. The command will execute successfully only if Oracle Net connectivity to the PROD database instance is defined on the primary host.
- C. The PRODSBY1 standby database is automatically added to the configuration if Oracle Net connectivity to the PRODSBY1 database instance is defined on the primary host.
- D. The PRODSBY1 standby database is automatically added to the configuration if DG_BROKER_START IS TRUE for PRODSBY1.
- E. The Data Guard Broker configuration files is automatically created in the destinations specified by the DG_BROKER_CONFIG_FILEn initialization parameters on the primary database.
- F. The command will execute successfully only if Oracle Net connectivity to the PROD and PRODSBY1 database instances are defined on the primary host.
Correct Answer: C,D,E 🗳️
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. Dogs will be an enabled logical standby database.
- B. Sheep will be the primary database.
- C. Cats will be a disabled physical standby database.
- D. Cats will be an enabled physical standby database.
- E. Dogs will be a disabled logical standby database.
Correct Answer: A,B,C 🗳️
After converting your physical standby database to a logical database, you get an error:
DGMGRL> show configuration
Configuration proddg
Protection Mode: MaxPerformance
Databases:
prod Primary database
prodsby Physical standby database
Error: ORA-16810 multiple errors or warnings detected for database
Fast-Start Failover: DISABLED
Configuration Status:
ERROR
How can you rectify the error?
- A. Reinstate both the primary and physical standby databases. The broker will automatically detect that PRODSBY is a logical standby update to the metadata.
- B. Reinstate the physical standby database PRODSBY as a logical standby, thereby replacing the physical standby database metadata in the broker configuration.
- C. Remove the physical standby database PRODSBY from the broker configuration, add a logical standby database PRODSBY to the broker configuration and enable it.
- D. Add a logical standby database PRODSBY and enable it, thereby replacing the physical standby database metadata in the broker configuration.
Correct Answer: A 🗳️
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