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Updated: Oct 28, 2026
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Questions before sales or after sales — both welcome. PrepAwayTest's 24/7 customer service settles everything about the Oracle Database 12c: Data Guard Administrator product: 112 practice questions for the 1Z0-066 exam in 2026.
Oracle 1Z0-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administrator |
| Exam Number: | 1Z0-066 |
| Exam Format: | Multiple Choice |
| Related Certifications: | Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator |
| Passing Score: | 66% |
| Available Languages: | English |
| Exam Duration: | 150 minutes |
| Certificate Validity Period: | Oracle certifications based on Oracle Database 12c do not currently expire |
| Real Exam Qty: | 92 |
| Exam Price: | $245 USD |
| 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 1Z0-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Oracle Data Guard Fundamentals | - Data Guard Architecture
|
| Topic 2: Snapshot and Logical Standby Databases | - Standby Database Management
|
| Topic 3: Creating and Configuring Physical Standby Databases | - Standby Database Deployment
|
| Topic 4: Data Protection and Role Transitions | - Protection and Availability
|
| Topic 5: Data Guard Broker | - Broker Administration
|
| Topic 6: Maintenance, Upgrades, and Optimization | - Administration and Performance
|
| Topic 7: Oracle Active Data Guard | - Active Data Guard Features
|
| Topic 8: Oracle Net Services and Client Connectivity | - Network Configuration
|
| Topic 9: Flashback Database and Recovery | - Recovery Technologies
|
Oracle 1Z0-066 Exam: What to Ask Before Buying
150 minutes for 92 questions. If practice time is scarce, make sessions targeted: short daily sets in the PrepAwayTest engine, full timed runs when you can.
Right after payment we email you the download link — note it — and the product also arrives automatically within a minute, with 24/7 help if nothing shows up within 2 hours. Your information stays rigorously confidential throughout. If you fail the corresponding 1Z0-066 exam within 60 days of purchase, we supply a whole refund: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
The Oracle Database 12c: Data Guard Administrator is Oracle's certification exam for Oracle Database 12c, at the Expert level. The certificate makes you advanced and competitive — priority in employment and promotion goes to the certified. Related credentials include Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator.
The Oracle Database 12c: Data Guard Administrator blueprint spans 9 domains — including Oracle Active Data Guard, Data Guard Broker, Creating and Configuring Physical Standby Databases. Weight the heavy domains in your schedule; the complete outline above lists every subtopic.
$245 USD per attempt, 66% to pass. Retakes cost the full fee again, so prepare efficiently — the 112 practice questions for the 1Z0-066 exam at PrepAwayTest stay close to the real exam's changes.
Candidates should have strong Oracle Database 12c administration experience. Oracle Database Administrator Certified Professional credential is recommended but not mandatory. Eligibility rules change over time, so verify the current requirements on the official page (official 1Z0-066 exam page) before registering.
Yes — the demo on our website is a genuine part of the complete Oracle Database 12c: Data Guard Administrator dump, so what you try is what you buy. Purchases include 365 days of free updates with automatic email notifications; renew afterward at 50% off.
Oracle Database 12c: Data Guard Administrator Sample Questions:
A data file on one of your physical standby databases has been accidentally deleted and you must restore and recover it.
All the archive logs required for recovery are still on disk in the directory pointed to by the log_archive_dest_1 parameter.
Which three steps must be performed to restore the missing file and recover the standby database while it is in the MOUNT state? (Choose three.)
- A. Stop the redo apply.
- B. Recover the datafile by using the RMAN RECOVER DATAFILE command
- C. Recover the database by using the RMAN RECOVER DATABASE command.
- D. Restart the redo apply.
- E. Restore the datafile by using the RMAN RESTORE DATAFILE command.
Correct Answer: A,C,E 🗳️
Explanation: Only visible for PrepAwayTest members. You can sign-up / login (it's free).
Which three statements are true about Far Sync instances? (Choose three.)
- A. A primary database can ship redo directly to multiple Far Sync instances.
- B. They work with any protection level.
- C. They enable standby databases to be configured at remote distances from the primary without impacting performance on the primary.
- D. They use an spfile, a standby controlfile, and standby redo logs.
- E. The Data Guard Broker must be used to deploy and manage Far Sync instances.
Correct Answer: C,D,E 🗳️
Explanation: Only visible for PrepAwayTest members. You can sign-up / login (it's free).
Which four factors can influence the rate of SQL apply on a logical standby database? (Choose four.)
- A. the size of the shared pool
- B. the number of full table scans performed by SQL apply
- C. the size of the undo tablespace on the logical standby database
- D. the number of PREPARER processes
- E. the number of coordinator processes on the standby database instance
- F. the number of APPLIER processes
Correct Answer: A,B,D,F 🗳️
Explanation: Only visible for PrepAwayTest members. You can sign-up / login (it's free).
You must use a physical standby database file to recover a data file on a primary database in a Data Guard environment.
Which three of these steps must be performed on the primary database after the file has been backed up using RMAN on the physical standby database? (Choose three.)
- A. Connect to the primary database as the TARGET.
- B. Connect to the primary database as the AUXILIARY.
- C. Back up the data file as copy on the standby host to a location on the primary host.
- D. Switch to the data file copy using the RMAN SWITCH command.
- E. Catalog the data file copy for RMAN to use on the primary database for restore.
- F. Back up the data file as copy on the standby host to a location on the standby host.
Correct Answer: B,D,E 🗳️
Explanation: Only visible for PrepAwayTest members. You can sign-up / login (it's free).
Your Data Guard environment has two remote physical standby databases.
Client applications use the local naming method to define connectivity to the primary database instance.
Which will automatically redirect clients to the new primary database in case of a switchover or failover?
- A. Configure a PRIMARY role service on the Primary and Standby and modify the Client connect descriptor to include both Primary and the Standby.
- B. Create a database service on the standby databases; automate the start of the service after a role change, and modify the connection description on the clients to use that service.
- C. Set the DB_NAME parameter identically on all databases; modify the connection descriptor on the clients to use DB_NAME to connect to the primary database instance.
- D. Set the LOCAL_LISTENER parameter for all the database instances, to register services with the default listener on the primary database host.
Correct Answer: C 🗳️
Explanation: Only visible for PrepAwayTest members. You can sign-up / login (it's free).
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