Get 2024 Updated Free Oracle 1Z0-083 Exam Questions & Answer [Q167-Q191]

Get 2024 Updated Free Oracle 1Z0-083 Exam Questions and Answer

1Z0-083 Dumps PDF and Test Engine Exam Questions

Oracle 1Z0-083 exam is a challenging but rewarding certification that can help database administrators take their careers to the next level. With the right preparation and dedication, candidates can successfully pass the exam and become certified experts in Oracle database administration.

 

NEW QUESTION # 167
Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

• A. log writer performance
• B. database writer performance
• C. database instance memory management and sizes
• D. SQL statements
• E. general operating system health

Answer: E

NEW QUESTION # 168
Which three are true? (Choose three.)

• A. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
• B. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.
• C. Unified auditing can be automatically synchronized to all application PDBs in an application container.
• D. Application-common TSDP policies are always container specific.
• E. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
• F. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
• G. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.

Answer: C,F,G

NEW QUESTION # 169
Choose two. Which two are true about monitoring waits for sessions and services?

• 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 waiting session is currently waiting.
• C. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for terminated sessions.
• D. V$SESSION_EVENT displays all waits events for those events that have occurred at least once for sessions that have now terminated.
• E. V$SERVICE_EVENT displays wait counts for every wait event for each service even including counts of zero for waits that never occurred.

Answer: B,E

NEW QUESTION # 170
Which two are true about various Oracle security and auditing capabilities?

• A. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
• B. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.
• C. Application-common TSDP policies are always container specific.
• D. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch begin-end block.
• E. Unified auditing can be automatically synchronized to all application PDBs in an application container.

Answer: B,D

NEW QUESTION # 171
Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group.
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.

• A. 1,2, 5, 7,4, 10
• B. 1,3,5, 6, 10
• C. 1,3,5, 6, 9
• D. 1,3, 5, 6, 10
• E. 1,3,5,8, 6, 10
• F. 1,3, 5, 7, 10

Answer: F

NEW QUESTION # 172
Choose three. Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?

• A. They can create any table.
• B. They cannot drop tablespaces.
• C. They cannot create restore points.
• D. They can view data from any data dictionary view or dynamic performance view.
• E. They can drop any tablespace.
• F. They can view data from any user-defined tables.

Answer: A,D,E

NEW QUESTION # 173
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. Setting DBWR_IO_SLAVESto a non zero value can improve backup performance when using asynchronous I/O/
• B. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
• C. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.
• D. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.
• E. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
• F. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.
• G. 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.

Answer: C,E,F

NEW QUESTION # 174
Choose three. Which three are true in Oracle 19c and later releases?

• A. Tablespaces never remain in read/write mode during transportable tablespace operations.
• B. Tablespaces always remain in read/write mode during transportable tablespace operations.
• C. A transportable data pump import can leave a plugged-in tablespace in read/write mode.
• D. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
• E. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
• F. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.

Answer: C,D,E

NEW QUESTION # 175
Which three are true about Optimizer Statistics Advisor? (Choose three.)

• A. It can recommend changes to improve the statistics gathering process.
• B. It runs automatically every night by default.
• C. It is part of the DBMS_ADVISOR package.
• D. It always analyzes all schemas in the database.
• E. It can be run only manually.
• F. It is part of the DBMS_STATS package.

Answer: A,D,F

NEW QUESTION # 176
Which three are true about opatchauto?

• A. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
• B. Users must always input patch plans to opatchauto.
• C. It applies patches in nonrolling mode by default.
• D. It Is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
• E. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.
• F. Patchsets are applied via opatchauto.
• G. It must be invoked by a user with root user privileges.

Answer: A,C,F

NEW QUESTION # 177
Which three are true about performing an Oracle Database install on Linux?

• A. The Oracle Preinstallation RPM can be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
• B. It can be done before installing Grid Infrastructure for a Standalone Server.
• C. The Oracle database administrator must be granted access to the root operating system account to run root privileged scripts.
• D. It allows you to select the languages supported by the Oracle database server.
• E. The runfixup.sh script can install missing RPMs.
• F. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
• G. It can be done after installing Grid Infrastructure for a Standalone Server.

Answer: B,D,F

NEW QUESTION # 178
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 MOUNTED.
• B. PDB$SEED will be MOUNTED
• C. PDB$SEED will be opened READ ONLY.
• D. PDB1 will be MOUNTED.
• E. PDB1 will be opened READ WRITE.
• F. PDB2 will be opened READ WRITE.

Answer: A,C,E

NEW QUESTION # 179
Examine this configuration:
1. CDB1is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
2. PDB$SEEDis open READ ONLY
3. PDB1is open READ WRITE
4. PDB2 is MOUNTED.
5. ORACLE_HOMEis /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

• A. CDB1and PDB$SEEDonly
• B. CDB1, PDB$SEED, and PDB1 only
• C. CDB1, PDB$SEED, PDB1, and PDB2
• D. CDB1, PDB1, and PDB2only
• E. PDB$SEED, PDB1, and PDB2only

Answer: B

NEW QUESTION # 180
Choose three. Which three are true about recovery operations done without using Recovery Manager (RMAN)?

• A. A lost password file can be manually re-created with the orapwd utility.
• B. A lost PFILE can be re-created from alert.log using SQL*PLUS.
• C. A lost password file can be re-created with SQL*PLUS.
• D. A lost index tablespace can be re-created without performing any recovery.
• E. A lost TEMPFILE must always be re-created manually.
• F. A lost SPFILE can be recovered from memory using SQL*PLUS.

Answer: A,D,F

NEW QUESTION # 181
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. CDB1 is in MOUNT state
• B. PDB1 is closed.
• C. Uncommitted transactions in PDB1 have been rolled back.
• D. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
• E. CDB1 is shut down.

Answer: B,C

NEW QUESTION # 182
Choose the best answer. How do you configure a CDB for local undo mode?

• A. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.
• B. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON. create an UNDO tablespace in each PDB, and then restart the CDB instance.
• C. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.
• D. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.
• E. Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.

Answer: A

NEW QUESTION # 183
Which three are true about Database Point-in-Time Recovery?

• A. The database must be open resetlogs after Database Point-in-Time Recovery.
• B. The target point for the recovery must be specified as a time or System Change Number (SCN).
• C. The database must be in mount state when performing Database Point-in-Time Recovery.
• D. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
• E. The database must have flashback database on to perform Database Point-in-Time Recovery.
• F. The database must be in archivelog mode.

Answer: A,B,F

NEW QUESTION # 184
Choose two. Which two are true about PDB archive files?

• A. They contain a PDB manifest file and all the data files in uncompressed form for a PDB.
• B. They must be created using the DBMS_PDB package.
• C. They contain all the data files only in compressed form for a PDB.
• D. They contain all the data files only in uncompressed form for a PDB.
• E. They contain a PDB manifest file and all the data files in compressed form for a PDB.
• F. DBMS_PDB.CHECK_PLUG_COMPATIBILITY can be run against a PDB archive.

Answer: E,F

NEW QUESTION # 185
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
• C. V$SESSTAT
• D. V$SESSION_WAIT
• E. V$SESSION_WAIT_CLASS

Answer: A

NEW QUESTION # 186
Choose three. Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES= (CONNECT) CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1' ; Which three are true about PDB1?

• A. It is in mount state after creation.
• B. It has only local roles.
• C. It has no local users.
• D. It has the same number of roles as CDB1.
• E. It has the same common users defined as does CDB1.
• F. Service PDB1 is created for remote logins to PDB1.

Answer: A,E,F

NEW QUESTION # 187
Which two are true in Oracle 19c and later releases?

• A. If the password file location changes, then the new location is used automatically by the Oracle Server.
• B. All the Oracle-supplied accounts are Schema Only accounts.
• C. Schema Only accounts can be granted administrator privileges.
• D. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.
• E. Unified Auditing can be configured to audit only events that are issued directly by an audited user.

Answer: A,C

NEW QUESTION # 188
Which two are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases?

• A. A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.
• B. A PDB snapshot must be a full copy of a source PDB.
• C. A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silent mode.
• D. A PDB snapshot can be a sparse copy of a source PDB.
• E. A CDB can be duplicated only by using the Database Configuration Assistant (DBCA).

Answer: C,D

NEW QUESTION # 189
T schema owned by the RC12C user. The RCAT11 database contains an Oracle Database version 11g catalog schema owned by the RC11 user in which several databases are registered. Both the databases are open. You execute the RMAN commands: RMAN> CONNECT CATALOG rcl2c/passl2c@catdbl2c RMAN> IMPORT CATALOG rcll/pwdcatll@ractll Which two tasks are performed as part of the import?

• A. Imported databases are unregistered from the RC11 catalog.
• B. Recovery catalog is resynchronized with the control files of the registered databases.
• C. All databases registered in the RC11 catalog are registered in the RC12C catalog.
• D. Databases from the RC12C catalog are implicitly unregistered if the RC11 catalog has registered databases with same name.
• E. Local and global stored scripts that have the same name as existing scripts in the RC12C catalog are automatically renamed.

Answer: C,E

NEW QUESTION # 190
choose one You take regular backups of one of your production databases by using RMAN with a recovery catalog. You have added two new tablespaces to this database which must be included in future backups. Which process occurs which allows the new backups to contain the new datafiles?

• A. The target database control file is synchronized from the recovery catalog with a partial resync at the next backup.
• B. The recovery catalog is synchronized from the target database control file with a partial resync at the next backup.
• C. The target database control file is synchronized from the recovery catalog with a full resync at the next backup.
• D. The recovery catalog is synchronized from the target database control file with a full resync at the next backup.

Answer: D

NEW QUESTION # 191
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