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Last Updated: Aug 23, 2026
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Oracle 1Z1-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administrator |
| Exam Number: | 1Z0-066 |
| Exam Price: | $245 USD |
| Exam Duration: | 150 minutes |
| Passing Score: | 66% |
| Real Exam Qty: | 92 |
| Exam Format: | Multiple Choice |
| Related Certifications: | Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator |
| Certificate Validity Period: | Oracle certifications based on Oracle Database 12c do not currently expire |
| Available Languages: | English |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Pearson VUE testing center or Oracle-authorized testing delivery. |
| Pre Condition: | Candidates should have strong Oracle Database 12c administration experience. Oracle Database Administrator Certified Professional credential is recommended but not mandatory. |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-12c-data-guard-administration/pexam_1Z0-066 |
Oracle 1Z1-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Protection and Role Transitions | - Protection and Availability
|
| Oracle Net Services and Client Connectivity | - Network Configuration
|
| Creating and Configuring Physical Standby Databases | - Standby Database Deployment
|
| Snapshot and Logical Standby Databases | - Standby Database Management
|
| Maintenance, Upgrades, and Optimization | - Administration and Performance
|
| Flashback Database and Recovery | - Recovery Technologies
|
| Oracle Active Data Guard | - Active Data Guard Features
|
| Data Guard Broker | - Broker Administration
|
| Oracle Data Guard Fundamentals | - Data Guard Architecture
|
Frequently Asked Questions About Oracle Database 12c: Data Guard Administrator
The Oracle Database 12c: Data Guard Administrator exam (exam code 1Z1-066) is the official Oracle exam that leads to the Oracle Database 12c certification, sitting at the Expert level of the Oracle certification track. It is also connected with Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator. If this is the credential you are working toward, the 112 practice questions at Actual4Cert map directly to its objectives.
The Oracle Database 12c: Data Guard Administrator exam includes 92 questions, and you have 150 minutes to complete them. Divide the time limit by the question count and you get a tight average pace per item, so train yourself to flag time-consuming questions and return to them later instead of getting stuck. Before test day, run at least one full timed session in the Actual4Cert test engine under the same limits — the clock should never surprise you.
The passing score for Oracle Database 12c: Data Guard Administrator is 66%, and the official registration fee is $245 USD. A failed attempt means paying that fee in full again, so your preparation budget deserves the same attention as your study plan. A practical rule: book your exam date only after you can finish a Actual4Cert practice test comfortably above the passing score more than once.
According to Oracle, candidates should meet the following before registering: Candidates should have strong Oracle Database 12c administration experience. Oracle Database Administrator Certified Professional credential is recommended but not mandatory.. Requirements can change, so confirm the latest details on the official exam page before you register.
Yes. A free PDF demo of the 1Z1-066 practice questions is available to download, so you can judge the format and quality before paying anything. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount.
Your order is covered by a conditional 100% money-back guarantee: if you take the corresponding exam within 60 days of purchase and do not pass, you may apply for a full refund. Exams taken within 3 days of purchase are not eligible, nor are free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scanned enrollment slip and your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer to keep studying? You can instead exchange your purchase for two free products of equal value while keeping the update service on your original one. Delivery itself is immediate: your product unlocks for instant download right after payment and a copy is emailed to you within a minute — if nothing arrives within 2 hours, contact our support team. There is no limit on the number of computers you can install it on.
The Oracle Database 12c: Data Guard Administrator blueprint is divided into 9 major domains, starting with Oracle Net Services and Client Connectivity, Creating and Configuring Physical Standby Databases, and Oracle Active Data Guard. The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Question 1
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. Flashback database may not be used to undo a physical standby database activation.
C. 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.
D. 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.
E. 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.
Question 2
You created a physical standby database PRODSBY1 from the primary database PROD using SQL and RMAN.
Which two are prerequisites for creating a Data Guard Broker configuration to manage these databases?
(Choose two.)
A. The standby database must have supplemental logging enabled.
B. The DG_BROKER_START parameter must be set to TRUE for both database instances.
C. A local net service name to enable connectivity to the PRODSBY1 database instance must be defined on the primary database host.
D. The primary database must have supplemental logging enabled.
E. The primary database must have FORCE LOGGING enabled.
Question 3
Examine the Data Guard configuration:
DGMGRL> show configuration:
Configuration Animals
Protection Mode: MaxAvailability
Databases:
cats Primary database
dogs Physical standby database
sheep Logical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
Which three will be true after a switchover to Dogs? (Choose three.)
A. Sheep will be an enabled logical standby database.
B. Cats will be a disabled physical standby database.
C. Dogs will be the primary database.
D. Cats will be an enabled physical standby database.
E. Sheep will be a disabled logical standby database.
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 the primary database.
B. The target database should be in NOMOUNT state and DGMGRL should be connected to any database that is a member of the configuration.
C. The target database should be in NOMOUNT state and DGMGRL should be connected to the primary database.
D. The target database should be MOUNTED and DGMGRL should be connected to any database that is a member of the configuration.
E. The target database should be MOUNTED and DGMGRL should be connected to the target database.
Question 5
Which four requirements can be met by deploying a logical standby database? (Choose four.)
A. Support for workloads requiring additional indexes.
B. Support for workloads requiring additional materialized views.
C. It must have the same physical structure as the primary database.
D. It can be used for Real Application Testing without affecting the disaster recovery capabilities.
E. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
F. It can be used to create additional tables.
G. It can be used to create additional schemas.
Solutions:
| Question 1 Answer: C,D,E | Question 2 Answer: B,E | Question 3 Answer: A,C,D | Question 4 Answer: A | Question 5 Answer: A,D,E,F |
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