Passing Oracle 1Z0-083 Exam Using 2023 Practice Tests
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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 exam dumps:
- RMAN Troubleshooting and Tuning - Oracle Database: Backup and Recovery Workshop
- Patching Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Restore and Recovering Databases with RMAN
- Oracle Database 18c: New Features - Oracle Database: Deploy, Patch and Upgrade Workshop
- Install Oracle Database software
- Performing Recovery - Oracle Database: Backup and Recovery Workshop
- Upgrade Oracle Grid Infrastructure
- Interpret the RMAN message output
NEW QUESTION 48
Which four are true about performing Tablespace Point -In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?
- A. It can be performed repeatedly until the correct time is found without using an RMAN catalog.
- B. It can be performed using an auxiliary instance managed by RMAN.
- C. RMAN automatically adds any required tablespaces to the recovery set to make it self-contained.
- D. RMAN always includes tablespaces containing undo segments in the recovery set.
- E. It can be used to recover a truncated table.
- F. flashback database must be enabled for it to work.
- G. It can be used to recover a dropped tablespace.
- H. It can be performed using anauxiliary instance managed by a DBA.
Answer: A,B,F,H
NEW QUESTION 49
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 only the PDB_FILE_NAME_CONVERTparameter.
- B. Enable only OMF.
- C. Add only the CREATE_FILE_DESTclause to the statement.
- D. Set the PDB_FILE_NAME_CONVERTparameter and enable OMF.
- E. Add the FILE_NAME_CONVERTclause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
- F. Add the FILE_NAME_CONVERTclause to the statement and enable Oracle Managed Files (OMF)
Answer: B,C,D
NEW QUESTION 50
Examine this configuration:
1. The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2. ORCL uses disk group +FRA for 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 ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.
- B. Only the ORCL database and the ASM instances are started.
- C. Only the ORCL database instance and the +DATA and +FRA disk groups are started.
- D. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.
- E. Only the ORCL database instance is started.
Answer: A
NEW QUESTION 51
Which two are true about creating RMAN backups for an Oracle container database?
- A. spfile backups can be created while connected to an application root PDB.
- B. The backup pluggable database command can be used to back up cdb$root.
- C. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- D. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
- E. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
Answer: C,E
NEW QUESTION 52
A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?
- A. V$SESSION_EVENT
- B. V$SESSION_WAIT
- C. V$SESSION_WAIT_CLASS
- D. V$SESSTAT
- E. V$SESSION
Answer: C
NEW QUESTION 53
Which two statements are true about recovering logically corrupted tables or table partitions from an RMAN backup?
- A. Tables or table partitions can be recovered only when the database is in mount state.
- B. Tables or table partitions from the system and sysaux tablespaces cannot be recovered.
- C. Tables with not null constraints cannot be recovered.
- D. Tables or table partitions with a foreign key cannot be recovered.
- E. Tables or table partitions can be recovered by using an auxiliary instance only.
Answer: B,E
NEW QUESTION 54
Choose two. Which two are true about Rapid Home Provisioning of Oracle software?
- A. It can be used only for Oracle Grid Infrastructure, including Oracle Restart.
- B. It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart.
- C. It can be used for both Oracle Database and Oracle Grid Infrastructure, including Oracle Restart.
- D. It can be used for applications and middleware.
- E. It can be used for both Oracle Database and Oracle Grid Infrastructure, excluding Oracle Restart.
Answer: C,D
NEW QUESTION 55
Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance? (Choose two.)
- A. PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session.
- B. The entire PGA is located in the System Global Area (SGA) when using shared servers.
- C. The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers.
- D. The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.
- E. Sorts and Hash Joins use PGA memory.
Answer: A,D
NEW QUESTION 56
Choose three. Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
- A. They can view data from any data dictionary view or dynamic performance
- B. They cannot create restore points.
- C. They can create any table.
- D. They can drop any tablespace.
- E. They cannot drop tablespaces.
- F. They can view data from any user-defined tables.
Answer: A,C,D
NEW QUESTION 57
Choose two. Which two are true about RMAN Multisection backups when a very large data file is divided into four sections?
- A. Each of the file sections must be processed serially.
- B. The four sections can be created in parallel.
- C. The four sections can be created serially.
- D. The four sections must be contained in backup sets.
- E. The four sections must be image copies.
Answer: B,D
NEW QUESTION 58
Choose the best answer. SQL Performance Analyzer (SPA) has reported several regressed SQL statements for one of your databases. Which action could help in the performance management of these regressed SQL statements?
- A. Create SQL plan directives for each of the regressed statements.
- B. Create an adaptive execution plan for each of the regressed statements
- C. Use the SQL Access Advisor for each of the regressed statements.
- D. Use The SQL Tuning Advisor for each of the regressed statements.
Answer: D
NEW QUESTION 59
Choose three. PDB1 and PDB2 are pluggable databases in CDB1. Examine these commands: $ export ORACLE_SID=CDB1 $ sqlplus / as sysdba SQL> STARTUP ....... Database opened. SQL> SHOW PDBS CON_ID CON_NAME --------------------------------------------------------------------OPEN MODE READ ONLY NO MOUNTED MOUNTED SQL> ALTER PLUGGABLE Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE A DATABASE pdb2 OPEN; Pluggable database altered. CDB1 is then restarted. Which three are true?
- A. PDB2 will be opened READ WRITE.
- B. PDB2 will be MOUNTED.
- C. PDB1 will be MOUNTED.
- D. PDB$SEED will be MOUNTED
- E. PDB1 will be opened READ WRITE.
- F. PDB$SEED will be opened READ ONLY.
Answer: B,E,F
NEW QUESTION 60
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
- B. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- C. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- 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 a temp tablespace when plugging in a PDB
Answer: A,B
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/admin/creating-and-removing- pdbs-with-sql-plus.html#GUID-1C47D543-8376-48AE-A1AE-632316731D59
NEW QUESTION 61
Your SALES_ROOTapplication container has two application PDBs.
The SALES_APPapplication has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:
Which two are true? (Choose two.)
- A. The MAPTABLE table is a metadata-linked table.
- B. A container map exists for the REVENUEtable, but is not enabled.
- C. The MAPTABLEtables defines a logical partition key on a commonly used column for the REVENUEtable.
- D. The CONTAINERSclause cannot be used in queries on the REVENUEtable.
- E. The REVENUEtable must be a list-partitioned table.
- F. The REVENUEtable partitions are not pruned across the PDBs automatically.
Answer: B,C
NEW QUESTION 62
You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:
Which three are true? (Choose three.)
- A. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
- B. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- C. All archive logs created after this backup are kept for two years.
- D. The SPFILE is included in the self-contaied archival backup.
- E. The control file is included in the self-contained archival backup.
- F. The restore point is a label for the system change number (SCN) before the archival backup was taken.
Answer: B,D,E
Explanation:
Explanation
https://docs.oracle.com/cd/E18283_01/server.112/e17118/statements_6011.htm
http://devel.hotpilot.cz/ora11gR2u2-full/backup.112/e10643/rcmsubcl011.htm An example:
http://www.online-database.eu/recovery-manager-rman/143-rman-backupsets-with-restore-point
NEW QUESTION 63
Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?
- A. SQL statements
- B. general operating system health
- C. database writer performance
- D. database instance memory management and sizes
- E. log writer performance
Answer: A
NEW QUESTION 64
HR_ROOT is an application container with the HR_APP application installed. No application PDBs and no application seed have yet been created in HR_ROOT. An application PDB, PDB1,must be created so that the HR_APP application's common objects are accessible to it. Which two methods can be used?
- A. Create the PDB1 application PDB and synchronize it with poB$SEED.
- B. Create the PDB1 application PDB and synchronize it with HR_ROOT.
- C. Create an application seed, synchronize it with HR_ROOT, and then create the PDB1.application PDB.
- D. Create an application seed, and install HR_APP in it.
- E. Create the PDB1 application PDB and install HR_APP in it.
Answer: B,C
NEW QUESTION 65
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