Exam Name: Oracle Database 12c: Data Guard Administrator
Certification Provider: Oracle
Corresponding Certification: Oracle Database 12c
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If you think with a pen, study with one. The printable Oracle Database 12c: Data Guard Administrator PDF from ActualTestsIT lets you mark key points on paper across all 112 practice questions.
Oracle 1Z0-066 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Backup, Recovery and Flashback | 8% | - Archive log management - RMAN backup to standby - Flashback Database usage |
| Data Protection Modes | 8% | - Switch between protection modes - Maximum Protection, Availability, Performance |
| Snapshot and Logical Standby | 8% | - Create and manage logical standby - Create and manage snapshot standby - SQL Apply filtering - Convert between physical and snapshot |
| Create Physical Standby Database | 12% | - Using SQL and RMAN duplicate command - Verify and test configuration - Using Enterprise Manager Cloud Control |
| Role Transitions | 10% | - Fast-Start Failover configuration - Perform switchover operations - Observer management - Perform failover operations |
| Manage Network Services | 6% | - Application Continuity - Automatic client failover - Configure client connectivity |
| Patching, Upgrading and Optimization | 8% | - Optimize redo transport - Optimize SQL Apply performance - Rolling upgrades and patching |
| Oracle Data Guard Basics | 8% | - Multi-tenant database support - Benefits and use cases - Architecture and components - Standby database types: physical, logical, snapshot |
| Active Data Guard Features | 10% | - Real-time Query access - Far Sync instance - Temporary Undo and Global Sequences - Automatic Block Media Recovery |
| Data Guard Broker | 12% | - Create and manage broker configuration - Monitor via EM and DGMGRL - Architecture and benefits |
1Z0-066 FAQ Before You Buy
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Build your knowledge base with official training, then go over the 112 practice questions for the Oracle Database 12c: Data Guard Administrator — that combination is the actual plan.
Must hold one of: Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, or Oracle Database Administration 2019 Certified Professional Rules on eligibility change occasionally, so confirm the current requirements on the official page (official 1Z0-066 exam page) before you pay the fee.
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Yes — three different free Oracle Database 12c: Data Guard Administrator demos are available to download. Do the demo test first to inspect the value, then decide. Purchases include 365 days of free updates, renewable at 50% off.
The Oracle Database 12c: Data Guard Administrator blueprint covers 10 domains — including Data Guard Broker (12%), Data Protection Modes (8%), Role Transitions (10%). Weightings point you to the heavy hitters; schedule your review accordingly. The complete outline above lists every subtopic.
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$245 USD per attempt, with 61% as the passing score. Since a failed attempt bills again, rehearse with the 112 practice questions from ActualTestsIT until your tracked scores clear the mark consistently.
The Oracle Database 12c: Data Guard Administrator is Oracle's official exam for the Oracle Certified Expert, Oracle Database 12c: Data Guard Administrator credential (Expert level). Before anything else, verify the exam code and name match what you need — then build a plan around the official objectives. Related credentials include Oracle Database 12c Administrator Certified Professional, Oracle Database 11g Administrator Certified Professional, Oracle Database Administration 2019 Certified Professional.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Examine this query and its output:
SQL> select fs_failover_status, fs_failover_current_target,
2 fs_failover_observer_present, fs_failover_oserver_host
3 from v$database:
FS_FAILOVER_STATUS FS_FAILOVER_CURRENT_TARGET
------------------ --------------------------
BYSTANDER cats
FS_FAILOVER_OBSERVER_PRESENT FS_FAILOVER_OBSERVER_HOST
---------------------------- -------------------------
NO ol7.example.com
Which are true?
- A. Cats is a bystander database.
- B. The observer is not running, but should run on ol7.example.com.
- C. The observer is not connected to the database on which the query was executed.
- D. The observer is connected to the database on which the query was executed.
- E. The observer is currently running on ol7.example.com.
Correct Answer: C 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Which two are true about the creation of a Data Guard Broker configuration? (Choose two.)
- A. A primary database profile may be added to the configuration prior to creating the primary database.
- B. A standby database profile may be added to the configuration prior to creating that standby database.
- C. A newly created broker configuration is in the disabled state.
- D. A newly created broker configuration requires at least one standby database profile to be specified at the time the configuration is created.
- E. In a broker configuration, the primary database name must match the DB_UNIQUE_NAME value in the database initialization parameter file.
Correct Answer: C,D 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to SYNC.
4. Real-time query is enabled for both standby databases.
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases.
You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases? (Choose two.)
- A. Increase the number of standby redo log files on the standby databases.
- B. Increase the size of standby redo log files on the standby databases.
- C. Decrease the redo log file size on the primary database.
- D. Lower DB_BLOCK_CHECKING to MEDIUM or LOW on the standby databases.
- E. Increase the size of the buffer cache on the physical standby database instances.
Correct Answer: D,E 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Your expertise is requested for these customer requirements:
1. The Data Guard environment must be in maximum protection mode.
2. Reports must be offloaded to a physical standby database.
3. There must be no lag between the primary and standby databases that affect the reports produced.
4. The primary database must be resilient in case of a single network failure.
Which solution is correct for these requirements?
- A. one physical standby database with Real-Time Query enabled and the
STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport - B. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DELAY parameter set to zero, receiving redo from the primary with asynchronous transport
- C. one physical standby database with Real-Time Query enabled, receiving redo from two Far Sync instances that are connected the primary
- D. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport
- E. two physical standby databases with Real-Time Query enabled, receiving redo from the primary with the LOG_ARCHIVE_DEST_n attributes SYNC NOAFFIRM to minimize the performance impact on the primary
Correct Answer: D 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Which three are true regarding prerequisites for a logical standby database as a disaster recovery solution?
(Choose three.)
- A. Ensure that no BFILE LOB data types are contained in the primary database.
- B. Do not perform any nologging operations on the primary.
- C. Ensure that flashback is enabled on the primary database.
- D. Ensure that supplemental logging is enabled on the primary database.
- E. Ensure that no ROWID data types are contained in the primary database.
Correct Answer: A,C 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
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