Free demo, safe international payment, instant delivery, a year of free updates, and 24/7 aftersales agents who keep your privacy absolutely: LatestCram is the considerate choice for 2026 1Z0-066 candidates preparing for Oracle Database 12c: Data Guard Administrator.
Oracle 1Z0-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Oracle Data Guard Architecture | - Data Guard components and terminology - Primary and standby database concepts |
| Topic 2: Role Transitions | - Switchover operations - Failover scenarios and best practices |
| Topic 3: Redo Transport and Apply | - Redo apply and recovery processes - Redo transport services |
| Topic 4: Configuration and Management | - Creating and configuring a Data Guard environment - Data Guard Broker configuration and management |
| Topic 5: Monitoring and Troubleshooting | - Resolving synchronization and apply issues - Monitoring Data Guard configuration |
Asked and Answered: Oracle Database 12c: Data Guard Administrator
Oracle Database 12c: Data Guard Administrator is an official Oracle exam, registered under the code 1Z0-066. Passing it earns the Oracle Database 12c Data Guard Administrator (Oracle Certified Specialist) certification at the Professional level. It also connects to Oracle Database 12c Administrator Certified Professional, Oracle Database 12c Certified Implementation Specialist. In a fast-developed industry, this certificate is a promise to your career and your next promotion.
Recommended: Oracle Database 12c Administrator Certified Associate (OCA) or equivalent database administration experience
Vendor policies do evolve, so confirm the current conditions before you register on the official exam page.
Registration for Oracle Database 12c: Data Guard Administrator runs through the official channels below.
One scheduling detail: the exam is delivered Proctored exam via Pearson VUE testing centers or online proctoring (availability may vary by region).
Yes, Oracle recommends the following training for Oracle Database 12c: Data Guard Administrator candidates.
Whichever training you follow, practice daily with the 112 questions in the LatestCram 1Z0-066 package; regular hours with real exam-style items are what turn preparation into a pass.
Oracle Database 12c: Data Guard Administrator is divided into 5 official domains, led by Role Transitions, Configuration and Management, and Redo Transport and Apply. The full outline is above; while details shift over time, the main test points stay steady, and we have already sorted them for you.
Yes and yes. If you are a little suspicious, download the free demo of the Oracle Database 12c: Data Guard Administrator questions and check the material before deciding. After purchase, updates are free for 365 days, with new versions sent to you as soon as test points change; after expiry, extending the update service costs 50% of the regular price.
We promise it in writing: a 100% money-back guarantee under defined conditions. Take the Oracle Database 12c: Data Guard Administrator exam within 60 days of purchase; if you fail, claim a full refund according to your transcript by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are excluded. Alternatively, switch freely to other exam material: two equivalent products, free, with updates retained on your original purchase.
Delivery is instant: files unlock for download at payment and are emailed within one minute, so there is no wasted time between ordering and studying. If nothing arrives within 2 hours, check spam and contact our 24/7 aftersales agents. Installation is unlimited.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Which two statements are true regarding Data Guard Broker? (Choose two.)
- A. It can be used to perform failovers and switchovers.
- B. It can be used to monitor redo transport and log apply services.
- C. It automatically adds the primary database to an existing broker configuration when Enterprise Manager Cloud Control is used to create a standby.
- D. It can be used to create and manage standby databases.
- E. It automatically starts the DMON process for the database instances that are part of a Data Guard configuration.
Correct Answer: A,E 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Your Data Guard environment consists of these components and settings:
1. A primary database
2. A remote physical standby database
3. Real-time query is enabled.
4. The redo transport mode is set to SYNC.
5. The protection mode is set to Maximum Availability.
You notice that queries executed on the physical standby database receive errors:
ORA- 03172: STANDBY_MAX_DATA_DELAY of 15 seconds exceeded.
Which two would you recommend to avoid this error? (Choose two.)
- A. Reduce I/O latency for the storage used by the primary database.
- B. Increase the size of the buffer cache on the standby database instance.
- C. Change the protection mode to Maximum Protection.
- D. Change the protection mode to Maximum Performance.
- E. Increase the network bandwidth between the primary and standby databases.
- F. Increase the number of standby redo log files on the primary database.
Correct Answer: D,E 🗳️
Explanation: Only visible for LatestCram 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. Set the LOCAL_LISTENER parameter for all the database instances, to register services with the default listener on the primary database host.
- 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. 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.
Correct Answer: C 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Examine this list of possible steps:
1.Raise the compatibility level on both databases.
2.Restart SQL Apply on the upgraded logical standby database.
3. Start SQL Apply on the old primary database.
4. Perform a Switchover to the logical standby database.
5. Upgrade the logical standby database.
6. Upgrade the old primary database.
Which is the minimum number of steps in the correct order, to perform a rolling release upgrade of a data guard environment using an existing logical standby database and to enable the new functionality?
- A. 5, 2, 4, 1
- B. 5, 2, 4, 6, 3, 1
- C. 1, 5, 2, 4, 6, 3
- D. 5, 2, 4, 3, 6, 1
- E. 4, 6, 5, 2, 3, 1
Correct Answer: D 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Attempting to start the observer raises an error:
DGMGRL> start observer;
DGM-16954: Unable to open and lock the Observer configuration file Failed.
Identify two possible ways to start the observer successfully. (Choose two.)
- A. Create a broker configuration and enable Fast-Start Failover before starting the observer.
- B. Set the ObserverOverride property to TRUE before starting the observer.
- C. Start the observer in a different working directory.
- D. Start the observer using a different observer configuration file.
- E. Enable Fast-Start Failover before starting the observer.
Correct Answer: C,D 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Viewing page 1 out of 23 pages.
Viewing questions 1-5 out of 112 questions.
796 Customer Reviews
