Free Oracle Database Administration II Practice Questions
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Sample Practice Questions
Try these 10 sample questions from the Oracle Database Administration II practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.
1When manually creating an Oracle Database 19c CDB with CREATE DATABASE, which clause must the statement include?
- A.ENABLE PLUGGABLE DATABASECorrect answer: A
- B.SEED FILE_NAME_CONVERT
- C.DEFAULT TEMPORARY TABLESPACE
- D.FORCE LOGGING
Explanation: Oracle states: "To create a CDB, the CREATE DATABASE statement must include the ENABLE PLUGGABLE DATABASE clause." The other clauses are not the required CDB-enabling clause.
Reference: Oracle Database 19c Multitenant Administrator's Guide: Creating and Configuring a CDB — About Enabling PDBs
2What does the Parallel Upgrade Utility attempt by default during a CDB upgrade when no PDB inclusion or exclusion list limits its scope?
- A.Upgrade only the CDB root
- B.Upgrade only the PDB seed
- C.Upgrade only the user-created PDBs
- D.Upgrade the entire CDB and its PDBsCorrect answer: D
Explanation: Oracle states that without a list "the Parallel Upgrade Utility (catctl.pl) attempts to upgrade the entire CDB". A subset requires an inclusion or exclusion list.
Reference: Oracle Database 19c: Use Inclusion or Exclusion Lists for PDB Upgrades — Use Inclusion or Exclusion Lists for PDB Upgrades
3RMAN is connected to the CDB root to recover PDB sales. Which command pair specifies the PDB as the object of both restore and recovery?
- A.RESTORE PLUGGABLE DATABASE sales; RECOVER PLUGGABLE DATABASE sales;Correct answer: A
- B.RESTORE DATABASE ROOT; RECOVER DATABASE ROOT;
- C.RESTORE DATABASE; RECOVER DATABASE;
- D.RESTORE PLUGGABLE DATABASE sales; RECOVER DATABASE ROOT;
Explanation: Oracle instructs: "Connect to the root and then use the RESTORE PLUGGABLE DATABASE and RECOVER PLUGGABLE DATABASE commands." This approach supports multiple PDBs.
Reference: Oracle Database 19c Backup and Recovery User's Guide: Performing Complete Database Recovery — Performing Complete Recovery of PDBs with RMAN
4Which two database settings are prerequisites before enabling Flashback Database?
- A.NOARCHIVELOG mode and a fast recovery area
- B.ARCHIVELOG mode and a fast recovery areaCorrect answer: B
- C.ARCHIVELOG mode without a fast recovery area
- D.NOARCHIVELOG mode without a fast recovery area
Explanation: Oracle states: "Your database must be running in ARCHIVELOG mode, because archived logs are used in the Flashback Database operation." Oracle also requires a fast recovery area for flashback logs.
Reference: Oracle Database 19c Backup and Recovery User's Guide: Using Flashback Database and Restore Points — Prerequisites for Flashback Database and Restore Points
5Which dynamic performance view should a DBA query for blocks marked corrupt by RMAN or other database components?
- A.V$DATABASE_BLOCK_CORRUPTIONCorrect answer: A
- B.V$BACKUP_CORRUPTION
- C.V$COPY_CORRUPTION
- D.V$DATABASE_INCARNATION
Explanation: Oracle states: "The V$DATABASE_BLOCK_CORRUPTION view displays blocks marked corrupt by Oracle Database components such as RMAN commands, ANALYZE, SQL queries, and so on." The other views track different backup or restore metadata.
Reference: Oracle Database 19c Backup and Recovery User's Guide: Validating Database Files and Backups — Detection, Repair, and Monitoring of Block Corruption
6Which utility starts the Grid Infrastructure setup wizard for a Linux standalone server?
- A.gridSetup.shCorrect answer: A
- B.runInstaller
- C.dbca
- D.asmca
Explanation: Oracle states: "Log in as the Oracle Restart software owner user amd run gridSetup.sh to start the Oracle Grid Infrastructure setup wizard:" The procedure invokes it from the Grid home.
Reference: Oracle Database 19c Installation Guide: Installing Grid Infrastructure for a Standalone Server — Installing Grid Infrastructure for a Standalone Server
7What does an Oracle Database 18c RPM-based installation initially create?
- A.A software-only installation and Oracle homeCorrect answer: A
- B.A database already created and open with all PDBs
- C.A software-only installation without an Oracle home
- D.An upgrade of every existing database on the host
Explanation: Oracle states: "An RPM-based installation performs a software-only Oracle Database installation and creates an Oracle home." DBCA may subsequently be used to create a database.
Reference: Oracle Database 18c Installation Guide: About RPM-Based Oracle Database Installation — About RPM-Based Oracle Database Installation
8Which AutoUpgrade stage checks system readiness, including available disk space?
- A.DRAIN
- B.DBUPGRADE
- C.POSTFIXUPS
- D.PREUPGRADECorrect answer: D
Explanation: Oracle states: "PREUPGRADE: The stage in which AutoUpgrade performs checks of your system, based on your current system configuration to determine its readiness for upgrade, such as checking to determine if you have sufficient available disk space." This check precedes the database upgrade.
Reference: Oracle Database 19c Upgrade Guide: AutoUpgrade Messages and Process Description Terms — Overview of AutoUpgrade Stages
9Which statement describes RMAN recovery catalog support introduced for PDBs in Oracle Database 19c?
- A.RMAN can connect to a recovery catalog when its target is a PDBCorrect answer: A
- B.RMAN can use a recovery catalog only when its target is the CDB root
- C.RMAN must disconnect from a recovery catalog before targeting a PDB
- D.RMAN can target a PDB only when no recovery catalog exists
10How does the cost-based optimizer select among the candidate execution plans it considers?
- A.It always chooses the plan with an index scan
- B.It chooses the plan with the greatest number of joins
- C.It chooses the plan with the lowest estimated costCorrect answer: C
- D.It always chooses the plan with a full table scan
Explanation: Oracle states: "After calculating the costs of alternative plans, the optimizer chooses the plan with the lowest cost estimate." The choice is based on estimated cost among considered plans.
Reference: Oracle Database 19c SQL Tuning Guide: Query Optimizer Concepts — Query Optimizer Concepts
Exam Review
About Oracle Database Administration II
Oracle Database Administration II · US
Key exam facts
- Provider
- Oracle University; proctored online
- Format
- Multiple Choice
- Exam questions
- Total questions: 68.
- Time limit
- 120 Minutes
- Passing score
- 57%
Topics covered
Creating CDBs and Regular PDBs
- Configure and create a CDB
- Create a new PDB from the CDB seed
- Explore the structure of PDBs
Manage CDBs and PDBs
- Manage PDB service names and connections
- Manage startup, shutdown and availability of CDBs and PDBs
- Change the different modes and settings of PDBs
- Evaluate the impact of parameter value changes
- Performance management in CDBs and PDBs
- Control CDB and PDB resource usage with the Oracle Resource Manager
Backup and Duplicate
- Perform Backup and Recover CDBs and PDBs
- Duplicate an active PDB
- Duplicate a Database
Upgrading and Transporting CDBs and Regular PDBs
- Upgrade an Oracle Database
- Transport Data
Manage Application PDBs
- Explain the purpose of application root and application seed
- Define and create application PDBs
- Install, upgrade and Patch applications
- Create and administer Application PDBS
- Clone PDBs and Application containers
- Plug and unplug operations with PDBs and application containers
- Comparing Local Undo Mode and Shared Undo Mode
Manage Security in Multitenant databases
- Manage Security in Multitenant databases
- Manage PDB lockdown profiles
- Audit Users in CDBs and PDBs
- Manage other types of policies in application containers
Recovery and Flashback
- Restore and Recovering Databases with RMAN
- Perform CDB and PDB flashback
Backup Strategies and Terminology
- Perform Full and Incremental Backups and Recoveries
- Compress and Encrypt RMAN Backups
- Use a media manager
- Create multi-section backups of very large files
- Create duplexed backup sets
- Create archival backups
- Backup of recovery files
- Backup non database files
- Back up ASM meta data
Restore and Recovery Concepts
- Employ the best Oracle Database recovery technology for your failure situation
- Describe and use Recovery technology for Crash, Complete, and Point-in-time recovry
Using Flashback Technologies
- Configure your Database to support Flashback
- Perform flashback operations
Duplicating a Database
- Duplicate Databases
Configuring and Using RMAN
- Configure RMAN and the Database for Recoverability
- Configureand Using an RMAN recovery catalog
Diagnosing Failures
- Detect and repair database and database block corruption
- Diagnosing Database Issues
Performing Recovery
- Restore and Recovering Databases with RMAN
- Perform Non RMAN database recovery
Transporting Data
- Transport Data
RMAN Troubleshooting and Tuning
- Interpret the RMAN message output
- Diagnose RMAN performance issues
Install Grid Infrastructure and Oracle Database
- Install Grid Infrastructure for a Standalone server
- Install Oracle Database software
Patching Grid Infrastructure and Oracle Database
- Patch Grid Infrastructure and Oracle Database
Upgrading to Oracle Grid Infrastructure
- Upgrade Oracle Grid Infrastructure
Oracle Database 18c: New Features
- Image and RPM based Database Installation
Creating an Oracle Database by using DBCA
- Create, Delete and Configure Databases using DBCA
Oracle Restart
- Configure and use Oracle Restart to manage components
Upgrade the Oracle Database
- Plan for Upgrading an Oracle Database
- Upgrade an Oracle Database
- Perform Post-Upgrade tasks
Install Grid Infrastructure for a Standalone server
- Rapid Home Provisioning
Using General Overall Database Enhancements
- Install Oracle Database software
- Create, Delete and Configure Databases using DBCA
- Creating CDBs and Regular PDBs
- Use Miscellaneaous 19c New Features
Using Availability Enhancements
- Use an RMAN recovery catalog
- Use Flashback Database
Using Diagnosibility Enhancements
- Use new Diagnoseability Features
Monitoring and Tuning Database Performance
- Managing Memory Components
- Understanding The Automatic Workload Repository (AWR)
- Understanding The Advisory Framework
- Monitoring Wait Events, Sessions, and Services
- Managing Metric Thresholds and Alerts
- Understanding and Using The Performance Tuning Methodology
- Performing Performance Planning
- Understanding The Automatic Database Diagnostic Monitor (ADDM)
Tuning SQL Statements
- Understanding The Oracle Optimizer
- Using The SQL Tuning Advisor
- Managing Optimizer Statistics
- Using The SQL Access Advisor
- Understanding The SQL Tuning Process
How to prepare
Work through the topics, read the explanation after each answer, and revisit the areas where you miss questions. Use the official outline and reference materials below to guide your study.
These independent practice questions are not actual exam items and do not guarantee a passing result.
Frequently asked questions
What is the exam format?
Multiple Choice
How many questions are on the exam?
Total questions: 68.
How long is the exam?
120 Minutes
What is the passing score?
57%
Official sources and references
- Oracle MyLearn examination details
Exam Overview: controlling link to all topics, followed by Prepare for the exam / Review exam topics
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Exam facts: Format, Duration, Number of Questions and Passing Score
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