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Oracle 1Z0-066 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 12c: Data Guard Administrator |
| Exam Number: | 1Z0-066 |
| Real Exam Qty: | 92 |
| Passing Score: | 66% |
| Related Certifications: | Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator |
| Exam Format: | Multiple Choice |
| Certificate Validity Period: | Oracle certifications based on Oracle Database 12c do not currently expire |
| Available Languages: | English |
| Exam Price: | $245 USD |
| Exam Duration: | 150 minutes |
| Sample Questions: |  |
| 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: Creating and Configuring Physical Standby Databases | - Standby Database Deployment
|
| Topic 2: Data Guard Broker | - Broker Administration
|
| Topic 3: Data Protection and Role Transitions | - Protection and Availability
|
| Topic 4: Oracle Active Data Guard | - Active Data Guard Features
|
| Topic 5: Oracle Data Guard Fundamentals | - Data Guard Architecture
|
| Topic 6: Oracle Net Services and Client Connectivity | - Network Configuration
|
| Topic 7: Maintenance, Upgrades, and Optimization | - Administration and Performance
|
| Topic 8: Flashback Database and Recovery | - Recovery Technologies
|
| Topic 9: Snapshot and Logical Standby Databases | - Standby Database Management
|
Answers Every 1Z0-066 Candidate Should Read First
The Oracle Database 12c: Data Guard Administrator exam is the official Oracle test registered under exam code 1Z0-066. Passing it earns you the Oracle Database 12c certification, a credential at the Expert level. It is also linked to the related certification: Oracle Certified Expert (OCE), Oracle Database 12c: Data Guard Administrator. Oracle exams are valued because they test job-ready skills, so a passing score here carries real weight on a resume.
The Oracle Database 12c: Data Guard Administrator exam includes 92 questions to be completed within 150 minutes. Do the pacing math before exam day: with that many items on the clock, you need a steady rhythm and the discipline to flag a hard question and move on instead of stalling. Two or three full timed sessions with the ActualCollection test engine will show you exactly what that pace feels like, so time pressure stops being a factor on the real day.
To pass the Oracle Database 12c: Data Guard Administrator exam you need 66%, and the official registration fee is $245 USD. A retake is not discounted: a failed attempt means paying the full $245 USD again, so treat your first sitting as the expensive one. A sensible rule is to book your seat only after you are scoring comfortably above the passing mark on the ActualCollection practice tests, not just squeaking past it once.
Candidates should have strong Oracle Database 12c administration experience. Oracle Database Administrator Certified Professional credential is recommended but not mandatory.
Eligibility rules do change from time to time, so confirm the current requirements before you register on the official exam page.
Yes. ActualCollection offers a free PDF demo of the Oracle Database 12c: Data Guard Administrator material so you can judge the question quality and format before spending anything. After purchase, your license includes 365 days of free updates, and if you want to keep receiving updates after that period, renewals are available at a 50% discount.
If you take the Oracle Database 12c: Data Guard Administrator exam within 60 days of your purchase and do not pass, ActualCollection backs you with a 100% money-back guarantee. The claim must match the exam your product covers: attempts taken within 3 days of purchase are not eligible (that is too little preparation time), and neither are downloaded-but-unused products, free materials, or expired orders. The candidate name must match the payer name, and you need to submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer not to refund? You can swap instead and receive two other exam products of equal value for free while keeping the update service on your original purchase.
Delivery itself is instant: your files are downloadable right away and emailed to you within one minute of payment. If nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you may install the software on.
The official Oracle Database 12c: Data Guard Administrator syllabus is organized into 9 domains. Key areas include Data Protection and Role Transitions, Data Guard Broker, and Oracle Net Services and Client Connectivity. The complete, up-to-date topic list appears in the exam topics section above; work through it line by line and flag anything you cannot yet explain in your own words.
Oracle Database 12c: Data Guard Administrator Sample Questions:
Question 1
You created a physical standby database PRODSBY1 from the primary database PROD using SQL and RMAN.
Which two are prerequisites for creating a Data Guard Broker configuration to manage these databases?
(Choose two.)
A. The primary database must have supplemental logging enabled.
B. The primary database must have FORCE LOGGING enabled.
C. The DG_BROKER_START parameter must be set to TRUE for both database instances.
D. A local net service name to enable connectivity to the PRODSBY1 database instance must be defined on the primary database host.
E. The standby database must have supplemental logging enabled.
Question 2
Which three are true about the use of the VALID_FOR clause of the LOG_ARCHIVE_DEST_N parameter, in determining whether archive logs should be written to a particular destination by a database in a Data Guard environment? (Choose three.)
A. whether the database at the destination is a primary or a standby
B. whether the database at the source is a primary or a standby
C. whether standby redo logs are to be archived at a specific destination
D. whether online redo logs are to be archived at a specific destination
E. whether the database at the destination is reached by using a far sync instance
Question 3
Which four requirements can be met by deploying a logical standby database? (Choose four.)
A. Support for workloads requiring additional indexes.
B. Support for workloads requiring additional materialized views.
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. It can be used to create additional tables.
F. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
G. It can be used to create additional schemas.
Question 4
Examine the Data Guard configuration:
DGMGRL> show configuration verbose;
Configuration - Animals
Protection Mode: MaxPerformance
Databases:
cats - Primary database
dogs - (*) Physical standby database
sheep - Physical standby database
(*) Fast-Start Failover target
Properties:
FastStartFailoverThreshold = '30'
OperationTimeout = '30'
TraceLevel = 'USER'
FastStartFailoverLagLimit = '30'
CommunicationTimeout= '180'
ObserverReconnect= '10'
FastStartFailoverAutoReinstate= 'FALSE'
FastStartFailoverPmyShutdown= 'TRUE'
BystandersFollowRoleChange= 'none'
ObserverOverride = 'FALSE'
Fast-Start Failover: ENABLED
Threshold: 30 seconds
Target: dogs
Observer: ol5.example.com
Lag Limit: 30 seconds
Shutdown Primary:TRUE
Auto-reinstate: FALSE
Observer Reconnect: 10 seconds
Observer Override: TRUE
Configuration Status:
SUCCESS
Which two are true? (Choose two.)
A. The former primary database will not be reinstated automatically after a failover.
B. The observer must run on host ol5.example.com and is currently not running.
C. The observer will mark another standby database as the failover target if the original failover target becomes unavailable.
D. The observer will reinstate Sheep automatically after a failover, if required.
E. The observer will detect if the primary database is unable to accept new connections.
Question 5
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. Increase the number of standby redo log files on the primary database.
B. Change the protection mode to Maximum Protection.
C. Reduce I/O latency for the storage used by the primary database.
D. Increase the size of the buffer cache on the standby database instance.
E. Change the protection mode to Maximum Performance.
F. Increase the network bandwidth between the primary and standby databases.
Solutions:
| Question 1 Answer: B,C | Question 2 Answer: B,C,E | Question 3 Answer: A,D,E,F | Question 4 Answer: A,D | Question 5 Answer: E,F |
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