[Jan 24, 2022] 1Z0-083 PDF Recently Updated Questions Dumps to Improve Exam Score
1Z0-083 Dumps Full Questions with Free PDF Questions to Pass
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:
- Manage Application PDBs
- Backup Strategies and Terminology
- Manage Security in Multitenant databases
- Creating CDBs and Regular PDBs
- Manage CDBs and PDBs
- Oracle Database: Managing Multitenant Architecture Ed 1
- Upgrading and Transporting CDBs and Regular PDBs
- Recovery and Flashback
- Configuring and Using RMAN
- Oracle Database: Backup and Recovery Workshop
- Backup and Duplicate
NEW QUESTION 44
Examine this command for creating pluggable database PDB2 in container database CDB2 CREATE PLUGGABLE DATABASE pdb2 ADMIN USER pdb2_adrn IDENTIFIED BY 12 3pdb ROLES=(CONNECT) ; Select three options, any one of which is required for it to execute successfully.
- A. Set the pdb_file_name_convert parameter and enable OMF.
- B. Add only the create_file_dest clause to the statement.
- C. Enable only OMF.
- D. Set only the pdb_file_name_convert parameter.
- E. Add the file_mame_comvert clause to the statement and enable Oracle Managed Files (OMF).
- F. Add the file_name_convert clause to the statement and set the pdb_file_name_convert parameter.
Answer: A,E,F
NEW QUESTION 45
Which three are true about performing an Oracle Database install on Linux?
- A. It can be done before installing Grid Infrastructure for a Standalone Server.
- B. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- C. It can be done after installing Grid Infrastructure for a Standalone Server.
- D. The Oracle Preinstallation RPM can be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- E. It allows you to select the languages supported by the Oracle database server.
- F. The runfixup.sh script can install missing RPMs.
- G. The Oracle database administrator must be granted access to the root operating system account to run root privileged scripts.
Answer: A,B,E
NEW QUESTION 46
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)
- A. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- B. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- C. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- D. These backups can be written to disk or SBT.
- E. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
Answer: C,D
Explanation:
Explanation
https://blog.toadworld.com/rman_-_using_the_flash_recovery_area
NEW QUESTION 47
Which four are true about RMAN backup sets?
- A. A backup set can contain only one backup piece.
- B. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
- C. A data file can be split into multiple sections stored in different backup sets.
- D. Blocks from multiple data files can be contained in one backup piece.
- E. A backup piece can belong to only one backup set.
- F. A backup set must be written to media.
- G. Blocks from multiple data files can be contained in one backup set.
- H. A backup set must be written to disk.
Answer: B,C,D,H
NEW QUESTION 48
Which three are true about patchsets? (Choose three.)
- A. They are installed via OPatch or OPatchAuto.
- B. A base release is not needed to install patchsets.
- C. They can introduce new features.
- D. Installing a patchset is considered an "upgrade".
- E. They are only released quarterly.
- F. They can be applied in a rolling fashion for Clusterware and the databases.
Answer: B,D,E
NEW QUESTION 49
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 same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- B. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- C. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- D. The Oracle Grid Infrastructure installation must be owned by the grid user.
- E. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- F. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
Answer: B,C
NEW QUESTION 50
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 51
Examine the command for creating pluggable database PDB2 in container database CDB2.
Select three options, any one of which is required for it to execute successfully. (Choose three.)
- A. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
- B. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
- C. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
- D. Set only the PDB_FILE_NAME_CONVERT parameter.
- E. Add only the CREATE_FILE_DEST clause to the statement.
- F. Enable only OMF.
Answer: A,E,F
NEW QUESTION 52
You are managing this configuration:
CDB1 is a container database.
PDB1 and PDB2 are two pluggable databases in CDB1.
USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2.
CDB1 user SYS executes these commands after connecting successfully to PDB2:
Which two are true? (Choose two.)
- A. The insert on USER2.DEPT is uncommitted.
- B. The inserts on USER1.EMP were rolled back when the session connected to PDB2.
- C. The insert on USER2.DEPT fails because of the active transaction in the parent container.
- D. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.
- E. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
- F. The inserts on USER1.EMP were committed when the session connected to PDB2.
- G. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.
Answer: A,F
NEW QUESTION 53
Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?
- A. It is a set of recommendations by the optimizer to create new indexes.
- B. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
- C. It is a set of recommendations by the optimizer to change the access methods used.
- D. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.
- E. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
Answer: D
NEW QUESTION 54
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. Increase the size of tape I/O buffers.
- B. Disable FORCE LOGGING for the database.
- C. Increase the level of RMAN multiplexing.
- D. Enable asynchronous disk I/O.
- E. Increase the size of the database buffer cache.
Answer: C,D
NEW QUESTION 55
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
NEW QUESTION 56
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
- A. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
- B. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- C. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
- D. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
- E. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
- F. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
Answer: B,C,E
Explanation:
Reference:
https://books.google.com.pk/books?id=0iwrL9P25Z0C&pg=PA35&lpg=PA35&dq=FLASHBACK+transaction
+query+requires+undo+to+retrieve+all+versions+of+a+row+that+existed+between+two+points+in
+time&source=bl&ots=MJnYl5CZ1u&sig=ACfU3U0dWP-NPd- U8uu3zbaoi3YZzT0FTQ&hl=en&sa=X&ved=2ahUKEwigi5_Jl9joAhXzUBUIHUh4DksQ6AEwAnoECAsQJg#v= onepage&q=FLASHBACK%20transaction%20query%20requires%20undo%20to%20retrieve%20all% 20versions%20of%20a%20row%20that%20existed%20between%20two%20points%20in%20time&f=false
https://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm
NEW QUESTION 57
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)
- A. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.
- B. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
- C. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
- D. SBT tape compression can be used even if no RMAN compression is configured.
- E. SBT tape compression and RMAN backup compression should be used in parallel.
Answer: A,E
NEW QUESTION 58
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)
- A. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
- B. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
- C. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
- D. A PDB snapshot is always a sparse copy of the source PDB.
- E. A PDB snapshot is always a full copy of the source PDB.
- F. A snapshot copy PDB can be created from a stand-alone clone PDB.
- G. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
Answer: C,E
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/administering-pdb- snapshots.html#GUID-35B03C37-00BA-4945-BF20-9A7C4C541955
NEW QUESTION 59
Examine this configuration:
1. The ORCLdatabase data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2. ORCLuses disk group +FRAfor the Fast Recovery Area.
3. LISTENER is the listener for ORCL.
4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5. All components are currently shut down.
You execute this command:
What is the outcome?
- A. Only the ORCLdatabase instance, the Oracle ASM instance, and the +DATAand +FRAdisk groups are started.
- B. The ORCL database, the Oracle ASM instances, the +DATAand +FRAdisk groups, and the LISTENER are started.
- C. Only the ORCLdatabase instance and the +DATAand +FRAdisk groups are started.
- D. Only the ORCLdatabase and the ASM instances are started.
- E. Only the ORCL database instance is started.
Answer: A
NEW QUESTION 60
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:
# id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall) , 54322(dba) Which two are true?
- A. oracle must be the owner of every Oracle Database installation.
- B. oracle will be granted the sysasm privilege when installing the Oracle Database software.
- C. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
- D. oracle will be an owner of the Oracle Inventory.
- E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
Answer: E
NEW QUESTION 61
Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)
- A. The ADR can store metadata in an Oracle Database repository.
- B. The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it.
- C. RMAN can always repair corrupt blocks.
- D. The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support.
- E. The Data Recovery Advisor uses the ADR.
- F. Flashback commands help with repairing physical errors.
Answer: A,B,C
NEW QUESTION 62
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 files to the destination platform format using RMANon 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 RMANon the destination system.
7. Import the university tablespace metadata using impdp.
8. Make the university tablespace read/write on the destination system.
Which are the minimum number of actions required, in the correct order, to transport the university tablespace?
- A. 1, 2, 4, 6, 7, 8
- B. 1, 2, 4, 5, 7, 8
- C. 2. 4. 5. 6. 7
- D. 1, 2, 3, 4, 5, 7, 8
- E. 1, 2, 3, 4, 5, 6, 7, 8
Answer: E
NEW QUESTION 63
Which three are true about monitoring waits for sessions and services? (Choose three.)
- A. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
- B. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
- C. V$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$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
Answer: A,D,F
NEW QUESTION 64
Your SALES_ROOT application container has two application PDBs.
The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:
Which two are true? (Choose two.)
- A. The REVENUE table must be a list-partitioned table.
- B. The CONTAINERS clause cannot be used in queries on the REVENUE table.
- C. A container map exists for the REVENUE table, but is not enabled.
- D. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.
- E. The MAPTABLE table is a metadata-linked table.
- F. The REVENUE table partitions are not pruned across the PDBs automatically.
Answer: C,D
NEW QUESTION 65
Examine these queries and their output:
After a system crash, an instance restart and an attempted opening of the PDBs result in:
Which two are true? (Choose two.)
- A. Data file 24 can be recovered while PDB2 is opened.
- B. Data file 24 cannot be recovered while the CDB is opened.
- C. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
- D. Data file 24 must be recovered while PDB2 is closed.
19c: PDB SYSTEM or UNDO Tablespace Recovery: The CDB and all other PDBs can be left opened. 1. Connect to PDB 2. Shutdown abort the PDB, if its not automatically done. sqlplus sys@sales_pdb as sysdba sql> SHUTDOWN ABORT; OR ALTER PLUGGABLE DATABASE CLOSE ABORT; rman target sys@slaes_pdb rman> restore database; rman> recover database; rman> alter pluggable database sales_pdb open; - E. Data file 24 must be recovered while the CDB is opened.
Answer: A,E
NEW QUESTION 66
Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome Oracle_home_path For which two purposes can you use this command? (Choose two.)
- A. to switch to a patched Oracle Database home
- B. to switch to a read-only Oracle home
- C. to switch back to the previous Oracle home as part of a rollback operation
- D. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server
- E. to switch an existing Oracle Database home to a newer release of Oracle software on the same server
Answer: A,E
NEW QUESTION 67
......
100% Updated Oracle 1Z0-083 Enterprise PDF Dumps: https://www.testkingfree.com/Oracle/1Z0-083-practice-exam-dumps.html
Free Oracle Database 19c 1Z0-083 Official Cert Guide PDF Download: https://drive.google.com/open?id=13Tcb_k4y80EexftmCD-nu80HXqIK3VFA