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Oracle 1Z0-066 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Role Transitions | - Switchover operations - Failover scenarios and best practices |
| Topic 2: Monitoring and Troubleshooting | - Resolving synchronization and apply issues - Monitoring Data Guard configuration |
| Topic 3: Configuration and Management | - Creating and configuring a Data Guard environment - Data Guard Broker configuration and management |
| Topic 4: Oracle Data Guard Architecture | - Data Guard components and terminology - Primary and standby database concepts |
| Topic 5: Redo Transport and Apply | - Redo transport services - Redo apply and recovery processes |
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Recommended: Oracle Database 12c Administrator Certified Associate (OCA) or equivalent database administration experience Keep in mind that vendors adjust their requirements over time, so verify the current rules on the official exam page (1Z0-066 official exam details) before you schedule anything.
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Per the official blueprint, the Oracle Database 12c: Data Guard Administrator is organized into 5 domains — among them Role Transitions, Monitoring and Troubleshooting, Oracle Data Guard Architecture. The weights show where the exam spends its questions, so let them guide your study hours. The full domain-and-subtopic breakdown is in the outline section above.
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The Oracle Database 12c: Data Guard Administrator is the vendor's official exam for the Oracle Database 12c Data Guard Administrator (Oracle Certified Specialist) certification, a credential at the Professional level. It is widely recognized because it verifies genuine, job-ready skill — exactly what employers shortlist for. It also connects to related credentials including Oracle Database 12c Administrator Certified Professional, Oracle Database 12c Certified Implementation Specialist, which makes it a solid anchor for a longer certification roadmap.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Which three statements are true about Data Guard database modes and states? (Choose three.)
- A. A primary database may ship redo directly to more than mine standby databases.
- B. The Primary Database can operate in noarchivelog mode.
- C. A Logical Standby Database can be in MOUNT state while applying changes.
- D. Force Logging Mode is not required for a primary database but is recommended.
- E. Databases in a Data Guard Configuration need not operate in Flashback Logging mode.
Correct Answer: A,C,D 🗳️
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You must configure an Oracle Data Guard environment consisting of:
1. A primary database
2. One Physical Standby Database
3. One Logical Standby Database
You must meet these requirements:
1. Primary database availability should not be compromised by the availability of the standby databases.
2. Under normal operations, transactions executed on the primary database should not commit before redo is written to disk on both the primary database and at least one standby database.
Which redo transport mode and which protection mode would you configure to meet these requirements?
- A. SYNC AFFIRM and Maximum Availability
- B. SYNC NOAFFIRM and Maximum Protection
- C. SYNC NOAFFIRM and Maximum Availability
- D. SYNC AFFIRM and Maximum Protection
- E. ASYNC and Maximum Performance
Correct Answer: A 🗳️
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Which two are true about the usage of DBMS_ROLLING? (Choose two.)
- A. The trailing group can contain standby databases that will protect the original primary database during the rolling release upgrade process.
- B. The trailing group contains the original primary database.
- C. The leading group contains the original primary database.
- D. At least one logical standby database must be part of the initial Data Guard configuration.
- E. The background process DMON must be enabled on all database instances that take part in the rolling release upgrade process.
Correct Answer: A,D 🗳️
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Which two are prerequisites for configuring Transaction Guard in a Data Guard environment? (Choose two.)
- A. Grant execute permission on the DBMS_APP_CONT package to relevant database schema owners.
- B. Set INSTANCE_NAME identically on all the Data Guard Configuration databases and modify the local service name on the client to include a CONNECTION_LIST containing all the standby hosts.
- C. Ensure that connection descriptors for database clients use the failover clause with the COMMIT_OUTCOME parameter set to TRUE.
- D. Create a database service with COMMIT_OUTCOME set to TRUE and ensure that the service is statically registered with the default listener on the primary host.
- E. Create a database service with COMMIT_OUTCOME set to TRUE, and ensure clients use that service to connect to the database instance.
Correct Answer: A,E 🗳️
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Which four requirements can be met by deploying a logical standby database? (Choose four.)
- A. It can be used to create additional schemas.
- B. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
- 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. Support for workloads requiring additional indexes.
- F. It can be used to create additional tables.
- G. Support for workloads requiring additional materialized views.
Correct Answer: B,D,E,F 🗳️
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