[Sep-2022] 1Z0-083 Dumps PDF - 1Z0-083 Real Exam Questions Answers
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NEW QUESTION 83
Which three are true In Oracle 19c and later releases?
- A. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.
- B. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
- C. Tablespaces always remain In read/write mode during transportable tablespace operations.
- D. A transportable data pump import can leave a plugged-in tablespace In read/write mode.
- E. Tablespaces never remain In read/write mode during transportable tablespace operations.
- F. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
Answer: A,C,F
NEW QUESTION 84
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:
Which three are true?
- A. An application root PDB is created for APP1.
- B. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
- C. A default service Is created for the application root APP1.
- D. An application seed PDB Is created for APP1.
- E. APP1 can never be unplugged.
- F. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
Answer: A,D,F
NEW QUESTION 85
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)
- A. Enable asynchronous disk I/O.
- B. Increase the size of the database buffer cache.
- C. Increase the size of tape I/O buffers.
- D. Increase the level of RMAN multiplexing.
- E. Disable FORCE LOGGING for the database.
Answer: B,D
NEW QUESTION 86
Which two are true about Oracle Database Configuration Assistant (DBCA) templates?
- A. Oracle DBCA templates can store only logical structure and not database files.
- B. New templates can only be created by modifying an existing user-created template.
- C. The General Purpose or Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
- D. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
- E. The Data Warehouse template is most suitable when transaction response time is the key criterion.
Answer: A,E
NEW QUESTION 87
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It always analyzes all schemas in the database.
- B. It can recommend changes to improve the statistics gathering process.
- C. It is part of the DBMS_STATSpackage.
- D. It runs automatically every night by default.
- E. It is part of the DBMS_ADVISORpackage.
- F. It can be run only manually.
Answer: A,B,C
Explanation:
Explanation/Reference: https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2
NEW QUESTION 88
Which two are true about Oracle Optimizer Statistics, their use, and their collection?
- A. The Statistics Advisor generates actions for all recommendations.
- B. The Statistics Advisor can help recommend the best way to gather statistics.
- C. Statistics collected using DBMS_ATATS always yield the best optimizer result.
- D. The number of table rows is considered when evaluating the cost of accessing a table using an index.
- E. Index balanced B*Tree height is considered when evaluating the cost of using an index,
Answer: A,D
NEW QUESTION 89
Choose three. Which three are true about the Oracle Optimizer?
- A. It updates stale object statistics in the Data Dictionary.
- B. It can re-optimize execution plans after previous executions detect suboptimal plans.
- C. It considers object statistics when generating execution plans for SQL statements.
- D. It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.
- E. It considers the filters in WHERE clauses when generating execution plans for SQL statements.
- F. It obeys all hints.
Answer: A,B,E
NEW QUESTION 90
Which two are true about backup set compression using RMAN default compression? (Choose two.)
- A. Compressed backups can be written only to media.
- B. Binary compression adds CPU overhead to backup operations.
- C. Unused blocks below the high water mark are backed up.
- D. Compression can be done only for locally managed tablespaces.
- E. Compressed backups cannot have a section size defined.
Answer: B,C
NEW QUESTION 91
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)
- A. Statistics collected using DBMS_STATS always yield the best optimizer result.
- B. The Statistics Advisor can help recommend the best way to gather statistics.
- C. The Statistics Advisor generates actions for all recommendations.
- D. Index balanced B*Tree height is considered when evaluating the cost of using an index.
- E. The number of table rows is considered when evaluating the cost of accessing a table using an index.
Answer: A,B
NEW QUESTION 92
Which two are true about an RPM-based Oracle Database installation? (Choose two.)
- A. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
- B. It includes the Oracle Preinstallation RPM.
- C. It performs a software-only Oracle Database installation.
- D. It uses a service configuration script to create a single-instance database as part of the installation.
- E. It requires an Unbreakable Linux Network (ULN) subscription.
Answer: B,E
NEW QUESTION 93
Which two are true about Rapid Home Provisioning (RHP), which has been available since Oracle 18c?
- A. It Is an Oracle Database service.
- B. It can be used to provision applications.
- C. It can be used to provision middleware.
- D. It cannot be used to upgrade Oracle Database homes.
- E. It cannot be used to patch Grid Infrastructure homes containing Oracle Restart.
Answer: C,E
NEW QUESTION 94
Which two are true about RMAN duplexed backup sets? (Choose two.)
- A. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.
- B. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
- C. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
- D. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
- E. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.
- F. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.
Answer: A,E
NEW QUESTION 95
The users tablespace consists of data files 3 and 4 and must always be online in read/write mode. Which two are true about using RMAN to perform an open database back up of this tablespace?
- A. Backups must be contained in backup sets.
- B. The database must be registered in an RMAN catalog.
- C. Only consistent backups can be created.
- D. Backups must be done incrementally.
- E. Backups can be done incrementally.
- F. Backups can be taken only if the database is in archivelog mode.
Answer: A,E
NEW QUESTION 96
Choose two. Which two are true about various Oracle security and auditing capabilities?
- A. Application-common OLS policies can be created only if all the PDBs in the application container are closed.
- B. Unified auditing can be automatically synchronized to all application PDBs in an application container.
- C. Application-common TSDP policies are always container specific.
- D. Application-common Transparent Security Data Protection (TSDP) policies can be created only if all the PDBs in the application container are closed.
- E. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container when they are updated.
Answer: B,E
NEW QUESTION 97
The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3.
Which three are true? (Choose three.)
- A. PDB3's application root replica must exist in the local CDB.
- B. A database link must exist in the remote CDB referring to the local CDB.
- C. A database link must exist in the local CDB root referring to the remote CDB.
- D. A proxy PDB must exist in the application root in the remote CDB.
- E. The HR_ROOT replica must exist in the remote CDB.
- F. A proxy PDB must exist in the application root in the local CDB.
Answer: B,E,F
NEW QUESTION 98
Choose three. Which three are true about a whole database backup?
- A. It always includes all data files, the current control file, the server parameter file, and archived redo logs.
- B. It is the only possible backup type for a database in NOARCHIVELOG mode.
- C. It can be created only by using RMAN.
- D. It can be consistent.
- E. It can consist of either backup sets or image copies. F) It can be inconsistent.
Answer: D,E
NEW QUESTION 99
Which three are located by using environment variables? (Choose three.)
- A. the temporary disk space used by Oracle Installer during installation
- B. default directories for temporary files used by temporary tablespaces
- C. the maximum number of database files that can be opened by a database instance
- D. the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
- E. the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
- F. the location of Oracle Net Services configuration files
Answer: A,E,F
NEW QUESTION 100
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
- A. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- B. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
- C. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- D. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- E. The Oracle Grid Infrastructure installation must be owned by the grid user.
- F. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
Answer: A,D
NEW QUESTION 101
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Introduction for Oracle Database Administration II Exam Number: 1Z0-083
Oracle Database Administration II Exam Number: 1Z0-083 exam helps candidates gain the skills and knowledge to install, patch and upgrade Oracle Database and Oracle Grid Infrastructure for a standalone server, create and manage a backup and recovery strategy using Recovery Manager (RMAN), use RMAN for Database duplication and transportation, diagnose failures using RMAN, and manage all aspects of Multitenant container databases, pluggable databases and application containers including creation, cloning, security, transportation and backup and recovery.
An Oracle Database Administration 2019 Certified Professional has proven theoretical understanding of and the practical skills required to configure and manage Oracle Databases up to and including Oracle 19c. Passing this 2nd exam in a 2 exam path proves your skills in: installation, upgrades, patching, SQL programming skills, database and network administration and backup and recovery. This person also demonstrates fluency with some advanced skills such as multi-tenant, SQL performance monitoring and problem determination.
With this exam, candidates will learn:
- Using RMAN for Database duplication and transportation
- Diagnosing failures using RMAN
- Managing all aspects of Multitenant container databases, pluggable databases and application containers including the creation
- Installing, patching and upgrading Oracle Database
ORACLE 1Z0-083 practice exams and ORACLE 1Z0-083 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam.
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