Oracle 1Z0-083 Exam Dumps - PDF Questions and Testing Engine
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Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps:
- Duplicate an active PDB
- Perform Backup and Recover CDBs and PDBs
- Upgrading and Transporting CDBs and Regular PDBs - Oracle Database: Managing Multitenant Architecture
- Evaluate the impact of parameter value changes
- Explore the structure of PDBs
- Backup and Duplicate - Oracle Database: Managing Multitenant Architecture Ed 1
- Duplicate a Database
- Upgrade an Oracle Database
- Change the different modes and settings of PDBs
- Performance management in CDBs and PDBs
- Manage startup, shutdown and availability of CDBs and PDBs
- Manage PDB service names and connections
- Tuning SQL Statements
- Manage CDBs and PDBs - Oracle Database: Managing Multitenant Architecture Ed 1
- Control CDB and PDB resource usage with the Oracle Resource Manager
- Create a new PDB from the CDB seed
- Configure and create a CDB
Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps:
- Diagnose RMAN performance issues
- Oracle Database 18c: New Features - Oracle Database: Deploy, Patch and Upgrade Workshop
- Transport Data
- RMAN Troubleshooting and Tuning - Oracle Database: Backup and Recovery Workshop
- Transporting Data - Oracle Database: Backup and Recovery Workshop
- Performing Recovery - Oracle Database: Backup and Recovery Workshop
- Patching Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Upgrading to Oracle Grid Infrastructure - Oracle Database: Deploy, Patch and Upgrade Workshop
- Install Oracle Database software
- Install Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Restore and Recovering Databases with RMAN
- Install Grid Infrastructure for a Standalone server
- Interpret the RMAN message output
- Patch Grid Infrastructure and Oracle Database
- Perform Non RMAN database recovery
- Upgrade Oracle Grid Infrastructure
- Image and RPM based Database Installation
NEW QUESTION 77
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)
- A. cloning a remote container database in interactive mode
- B. relocating a remote pluggable database in interactive mode
- C. relocating a remote pluggable database in silent mode
- D. cloning a remote container database in silent mode
- E. cloning a remote pluggable database in silent mode
- F. relocating aremote container database in interactive mode
- G. relocating a remote container database in silent mode
Answer: B,C,D
NEW QUESTION 78
Automatic Shared Memory Management is disabled for one of your database instances.
Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance.
What would be your next step?
- A. Run the SQL Tunning Advisor.
- B. Run the Memory Advisor for the Program Global Area.
- C. Run the SQL Access Advisor.
- D. Run the Memory Advisor for the shared pool.
- E. Run the Memory Advisor for the System Global Area.
Answer: D
NEW QUESTION 79
You issued this command:
RMAN> BACKUP RECOVERY AREA FORCE;
Which three are true? (Choose three.)
- A. All files in any previous FRA that have not yet been backed up, are backed up.
- B. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up.
- C. All Oracle recovery files normally written to the FRA and which have not yet been backed up, are backed up.
- D. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.
- E. All files in any previous FRA that have been backed up already, are backed up.
- F. All files in the current FRA that have been backed up already, are backed up.
- G. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up.
Answer: C,E,G
NEW QUESTION 80
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
- A. It analyzes a period of time corresponding to the last day of activity.
- B. A DBA can run it manually.
- C. It runs automatically after each AWR snapshot.
- D. Results are written to the alert log.
- E. It analyzes a period of time corresponding to the 12 hours of activity.
Answer: B,C
NEW QUESTION 81
Which two are true about the Oracle dataabse methodology? (Choose two.)
- A. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
- B. Tuning activities should stop once agreed service levels for performance have been met.
- C. The database instance memory should always be tuned before tuning any file systems.
- D. Tuning activities should stop once the user is satisfied with performance.
- E. SQL statements should always be tuned before tuning any file systems.
- F. The alert log should be used to find the database and instance areas most in need of tuning.
Answer: B,F
Explanation:
Reference:
https://flylib.com/books/en/4.322.1.9/1/
NEW QUESTION 82
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A. to exclude a temp tablespace when plugging in a PDB
- B. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- C. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- D. to specify the list of tablespaces to include when creating a PDB from the CDB seed
- E. to include specific user tablespaces only when relocating a PDB
- F. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
Answer: A,D
NEW QUESTION 83
Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment?
- A. using check constraints to speed up updates
- B. the physical data model
- C. defining primary keys for all tables to speed up all queries
- D. the configuration of storage arrays
- E. defining foreign keys for all tables to speed up joins
Answer: B,E
NEW QUESTION 84
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)
- A. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.
- B. Setting DBWR_IO_SLAVESto a non zero value can improve backup performance when using asynchronous I/O/
- C. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
- D. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.
- E. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.
- F. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
- G. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.
Answer: D,F,G
NEW QUESTION 85
Which two are true about common objects? (Choose two.)
- A. They can be only metadata-linked in an application container.
- B. They can be created only in CDB$ROOT.
- C. They can exist in user-defined schemas only in application containers.
- D. They can be created only in an application root.
- E. They can be extended data-linked in CDB$ROOT.
- F. They can exist in CDB$ROOT and an application root.
Answer: D,F
NEW QUESTION 86
Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)
- A. The response file must contain the root or sudo password.
- B. Silent install always runs operating scripts automatically.
- C. The response file can specify the root or sudo password.
- D. The installer will prompt for the root or sudo password.
- E. The response file can specify the path of the sudo program.
Answer: A,E
NEW QUESTION 87
Which two are true about RMAN duplexed backup sets? (Choose two.)
- A. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.
- B. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.
- C. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
- D. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.
- E. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
- F. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
Answer: A,D
NEW QUESTION 88
A container database called CDB1 is OMF-enabled.
PDB_FILE_NAME_CONVERT is not configured in CDB1. PDB1 was unplugged from CDB1 earlier in the week. Examine this command, which will be executed in CDB1:
CREATE PLUGGABLE DATABASE pdb1
USING '/u01/app/oracle/oradata/pdb1.xml'
SOURCE_FILE_NAME_CONVERT =
('/u01/app/oracle/oradata/', '/u02/app/oracle/oradata/');
Which two are true? (Choose two.)
- A. PDB1 must be dropped from CDB1.
- B. /u01/app/oracle/oradata/pdb1.xml does not contain the current locations of data files for PDB1.
- C. PDB1 data files already exist in the correct location.
- D. PDB_FILE_NAME_CONVERT must be set before executing the command.
- E. DBMS_PDB.CHECK_PLUG_COMPATIBILITY must be run in CDB1 before executing the command.
Answer: B,D
NEW QUESTION 89
Examine this configuration:
* CDB1 is a container database.
* PDB1 and PDB2 are pluggable databases in CDB1.
* PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully:
Which two are true? (Choose two.)
- A. PDB1 is closed.
- B. Uncommitted transactions in PDB1 have been rolled back.
- C. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
- D. CDB1 is in MOUNT state
- E. CDB1 is shut down.
Answer: A,B
NEW QUESTION 90
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)
- A. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
- B. Existing Oracle Database instances must be shut down before starting the upgrade.
- C. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
- D. Only the grid user can perform the upgrade.
- E. An existing Oracle base can be used.
- F. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
Answer: B,C,D
Explanation:
Reference:
https://docs.oracle.com/database/121/CWLIN/procstop.htm#CEGEDCDB
NEW QUESTION 91
Which three are true about monitoring waits for sessions and services? (Choose three.)
- A. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
- B. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
- C. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
- D. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
- E. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
- F. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
Answer: A,C,D
NEW QUESTION 92
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)
- A. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
- B. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
- C. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
- D. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
- E. The RMAN SHOW ALL command displays only settings with nondefault values.
- F. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
- G. A target database's persistent RMAN configuration settings are always stored in the target's control file
Answer: A,B,G
NEW QUESTION 93
Which three are true about Automatic Workload Repository (AWR) snapshots? (Choose three.)
- A. They are generated if STATISTICS_LEVEL is set to BASIC.
- B. They are generated if STATISTICS_LEVEL is set to ALL.
- C. They are always created automatically.
- D. They are generated if STATISTICS_LEVEL is set to TYPICAL.
- E. They are always created manually.
- F. They can be retained forever.
Answer: A,C,D
NEW QUESTION 94
Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed No changes have been made to the standard PDB$SEED.
How many default temporary tablespaces can be assigned in the CDB?
- A. seven
- B. six
- C. eight
- D. five
- E. three
Answer: A
NEW QUESTION 95
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
- A. using Oracle Data Pump
- B. using the CREATE TABLE AS SELECT SQL statement
- C. using Database Replay
- D. using Database Upgrade Assistant
- E. using SQL Developer
- F. using operating system file copy utilities
Answer: B,D,F
NEW QUESTION 96
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It can recommend changes to improve the statistics gathering process.
- B. It can be run only manually.
- C. It is part of the DBMS_STATSpackage.
- D. It is part of the DBMS_ADVISORpackage.
- E. It runs automatically every night by default.
- F. It always analyzes all schemas in the database.
Answer: A,C,F
Explanation:
Explanation/Reference: https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2
NEW QUESTION 97
Which two are true about an RPM-based Oracle Database installation? (Choose two.)
- A. It performs a software-only Oracle Database installation.
- B. It includes the Oracle Preinstallation RPM.
- C. It requires an Unbreakable Linux Network (ULN) subscription.
- D. It uses a service configuration script to create a single-instance database as part of the installation.
- E. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
Answer: B,C
NEW QUESTION 98
Which three are true about an application container? (Choose three.)
- A. It must have an application seed PDB.
- B. It can contain a single application.
- C. An application PDB can belong to multiple application containers.
- D. It must have an application root PDB.
- E. Two application containers can share an application seed PDB.
- F. It can contain multiple applications.
Answer: B,C,D
NEW QUESTION 99
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:
Which three are true?
- A. A default service Is created for the application root APP1.
- B. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
- C. APP1 can never be unplugged.
- D. An application root PDB is created for APP1.
- E. An application seed PDB Is created for APP1.
- F. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
Answer: A,B,D
NEW QUESTION 100
Which two are true about automatic block repair?
- A. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
- B. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
- C. Automatic block repair can repair blocks with no standby database if db_block_checking = TRUE.
- D. It is not possible for media corrupt blocks.
- E. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
Answer: A,D
NEW QUESTION 101
You must transport the UNIVERSITY tablespace from one database to another.
The UNIVERSITY tablespace is currently open read/write.
The source and destination platforms have different endian formats. Examine this list of actions:
1.Make the UNIVERSITY tablespace read-only on the source system.
2.Export the UNIVERSITY tablespace metadata using EXPDP.
3.Convert the UNIVERSITY tablespace data fies to the destination platform format using RMAN on the source system.
4.Copy the UNIVERSITY tablespace data files to the destination system.
5.Copy the Data Pump dump set to the destination system.
6.Convert the UNIVERSITY tablespace data files to the destination platform format using RMAN on the destination system.
7.Import the UNIVERSITY tablespace metadata using IMPDP.
8.Make the UNIVERSITY tablespace read/write on the destination system.
Which is the minimum number of actions required, in the correct order, to transport the UNIVERSITY tablespace?
- A. 2, 4, 5, 6, 7
- B. 1, 2, 4, 5, 7, 8
- C. 1, 2, 3, 4, 5, 7, 8
- D. 1, 2, 3, 4, 5, 6, 7, 8
- E. 1, 2, 4, 6, 7, 8
Answer: E
NEW QUESTION 102
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