Compared with training institutions, self-paced practice saves both money and calendar. Test4Cram keeps the Oracle Database 12c: Data Guard Administrator set current all through 2026, with 1Z0-066 questions updated free for 365 days.
Oracle 1Z0-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administrator |
| Exam Number: | 1Z0-066 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | Version-specific (generally does not expire unless superseded by newer certification versions) |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 |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Passing Score: | Approximately 66% |
| 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 1Z0-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Oracle Data Guard Architecture | - Primary and standby database concepts - Data Guard components and terminology |
| Role Transitions | - Failover scenarios and best practices - Switchover operations |
| Monitoring and Troubleshooting | - Resolving synchronization and apply issues - Monitoring Data Guard configuration |
| Configuration and Management | - Creating and configuring a Data Guard environment - Data Guard Broker configuration and management |
| Redo Transport and Apply | - Redo transport services - Redo apply and recovery processes |
Oracle 1Z0-066 Exam — Questions and Answers
Your files arrive fast: successful payment triggers an automatic email within a minute, with instant download access and no installation limits — our 24/7 customer assistance handles anything still missing after 2 hours. And failure isn't the end: take the corresponding 1Z0-066 exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund processed within 7 days. Exclusions: exams within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. You can also choose to change to two other equal-value exam products free instead of the refund.
The Oracle Database 12c: Data Guard Administrator blueprint spans 5 domains — among them Oracle Data Guard Architecture, Monitoring and Troubleshooting, Redo Transport and Apply. Weightings are the vendor's way of saying where points concentrate, so budget your time accordingly. The full outline above details every subtopic.
Yes — download the free trial before you buy and check the question quality yourself. Purchases include 365 days of free updates, and if your update period expires later, renew it at half price.
Yes:
Courses teach; questions test. After finishing any training, run the 1Z0-066 practice questions from Test4Cram to verify what actually stuck.
Recommended: Oracle Database 12c Administrator Certified Associate (OCA) or equivalent database administration experience Since vendors revise eligibility rules, confirm the current requirements on the official exam page (official 1Z0-066 exam page) before registering.
Registration goes through the vendor's official channels:
The exam runs Proctored exam via Pearson VUE testing centers or online proctoring (availability may vary by region), so choose the arrangement that suits you when booking.
The Oracle Database 12c: Data Guard Administrator is Oracle's official exam for the Oracle Database 12c Data Guard Administrator (Oracle Certified Specialist) certification, at the Professional level. It tests real professional knowledge and experience — that's why it's considered difficult, and why the credential means something. It also connects to related credentials like Oracle Database 12c Administrator Certified Professional, Oracle Database 12c Certified Implementation Specialist.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Which three statements are true about snapshot standby databases? (Choose three.)
- A. Snapshot standby databases may be used for rolling release upgrades.
- B. If datafiles grow while a database is a snapshot standby database, then they shrink when converted back to a physical standby database.
- C. A guaranteed restore point is created automatically when a physical standby database is converted into a snapshot standby database.
- D. Flashback logs are used to convert a snapshot standby database back into a physical standby database.
- E. A snapshot standby database can have Real-Time Query enabled.
Correct Answer: B,C,D 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
A query on the view DBA_LOGSTBY_UNSUPPORTED on your primary database returns no rows.
As a result of this, you decide that an upgrade may use logical standby databases.
Which two are true about upgrading Data Guard environments consisting of one logical standby database running on a separate host from the primary? (Choose two.)
- A. Fast-Start Failover can be used to protect the primary database during the upgrade.
- B. The upgrade always requires downtown until the upgrade of the logical standby is completed.
- C. The upgrade always required downtime until the upgrade of the primary is completed.
- D. Using manual upgrade, catctl.pl can be executed in some cases on the primary and standby database simultaneously.
- E. SQL Apply on the local standby database must be stopped while the primary database is upgraded.
- F. Using manual upgrade, catupgrd.sql needs to run on the primary database only.
Correct Answer: D,E 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
Which three are benefits of using the Data Guard Broker to manage standby databases? (Choose three.)
- A. It simplifies physical standby database creation.
- B. It coordinates database state transitions and updates database properties dynamically.
- C. It automatically changes database properties after the protection mode for a configuration is changed.
- D. It simplifies logical standby database creation.
- E. It load balances connections between the primary and all the standby database instances that are open as read-only for reporting.
- F. It provides an easy switchover capability using a single command.
- G. It provides an easy failover capability using a single command.
Correct Answer: B,F,G 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
You have a Data Guard Broker configuration called 'Somewhere' as shown:
DGMGRL> SHOW CONFIGURATION;
Configuration Somewhere
Protection Mode: MaxPerformance
Databases:
Nearby Primary database
FS Far Sync
Farout Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
You then run this command:
DGMGRL > SHOW DATABASE 'Nearby' 'InconsistentProperties';
Which two are true about the output of this DGMGRL command? (Choose two.)
- A. It shows all properties whose broker configuration values for database Nearby are inconsistent with the broker configuration values for database Farout.
- B. It shows all properties whose broker configuration values for database Nearby are inconsistent with the values in the corresponding server parameter file or the runtime values for database instance Nearby.
- C. A far sync instance cannot have inconsistent properties because it has no database.
- D. Any inconsistency reported is on an instance-specific basis.
Correct Answer: B,D 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured? (Choose three.)
- A. They are required on a physical standby for real-time apply.
- B. It is recommended to have them on the primary database.
- C. The LGWR process writes to them on a standby database.
- D. They are required only for synchronous redo transport.
- E. Only standby databases can write redo to them.
- F. They are required on a logical standby for real-time apply.
Correct Answer: A,E,F 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
Viewing page 1 out of 23 pages.
Viewing questions 1-5 out of 112 questions.
