1Z0-083 Exam Questions Dumps, Selling Oracle Products
1Z0-083 Cert Guide PDF 100% Cover Real Exam Questions
If you are a database administrator and looking to advance your career in Oracle Database Administration, the Oracle 1Z0-083 certification exam is a great way to validate your skills and knowledge. Passing 1Z0-083 exam demonstrates your advanced knowledge and skills in managing Oracle 19c databases and can help you stand out among your peers in the job market.
Oracle 1Z1-083 certification exam is a must-have for professionals who want to advance their careers in the field of database administration. It covers a range of topics including database backup and recovery, performance tuning, and troubleshooting. These are essential skills required by database administrators to maintain the integrity and security of the database.
NEW QUESTION # 10
Which two are true about a Recovery Manager (RMAN) duplication without a TARGET connection?
- A. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
- B. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
- C. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
- D. The UNDO TABLESPACE clause is never required.
- E. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
Answer: B,C
NEW QUESTION # 11
Choose the best answer. On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days. Level 0 backups are taken on the 10th, 17th, and 24th of August. Differential level 1 incremental backups are taken daily between the level 0 backups. Today is the 26th of August. Which backups will be obsolete?
- A. all backups prior to 20th of August
- B. all backups prior to 17th of August
- C. all backups prior to 24th of August
- D. all backups prior to 22nd of August
- E. all backups prior to 10th of August
Answer: B
NEW QUESTION # 12
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. /u01/app/oracle/oradata/pdb1.xml does not contain the current locations of data files for PDB1.
- B. PDB1 data files already exist in the correct location.
- C. PDB1 must be dropped from CDB1.
- 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,C
NEW QUESTION # 13
Which three are true about Automatic Workload Repository (AWR)?
- A. By default, AWR snapshots are taken every 60 minutes.
- B. Its collection level is determined by the value of the statistics_level database parameter.
- C. By default, AWR snapshots are retained for 7 days.
- D. The taking of AWR snapshots can be disabled.
- E. AWR data is stored in the system tablespace.
Answer: A,B,D
NEW QUESTION # 14
Choose three. Which three are true about OPatch ?
- A. It is a Java-based utility for applying patchsets.
- B. It must be invoked as the user that owns the software being patched.
- C. It supports Rolling Patching.
- D. It requires installation of Oracle Universal Installer.
- E. It can be used to apply interim patches to the Grid Infrastructure and Database Home combination.
- F. It is platform independent.
Answer: B,C,E
NEW QUESTION # 15
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
- A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- B. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
- C. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
- D. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
- E. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
- F. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
Answer: A,C,F
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 # 16
Which three are true about RMAN archival backups with the RESTORE POINT clause? (Choose three.)
- A. They can optionally be written to a fast recovery area (FRA).
- B. The SPFILE is included in the archival backup.
- C. Use of a recovery catalog is always required to support the creation and use of archival backups.
- D. The ARCHIVAL attribute for a backup overrides the RMAN retention policy.
- E. They are never considered obsolete by RMAN.
- F. Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.
- G. All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.
Answer: B,D,F
NEW QUESTION # 17
Which two are true about Recovery Manager (RMAN) diagnostic message output?
- A. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file and to standard output.
- B. Media Management messages for SBT devices are written to an Oracle trace file.
- C. RMAN error stacks should be read from the top down as that is the order in which errors are generated.
- D. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.
- E. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.
- F. Media Management messages for SBT devices are always written to sbtio.log.
Answer: B,F
NEW QUESTION # 18
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 will be granted the sysasm privilege when installing the Oracle Database software.
- B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- C. oracle will be an owner of the Oracle Inventory.
- D. oracle must be the owner of every Oracle Database installation.
- E. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
Answer: B,E
NEW QUESTION # 19
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 installer will prompt for the root or sudo password.
- D. The response file can specify the root or sudo password.
- E. The response file can specify the path of the sudo program.
Answer: C,E
Explanation:
response file options:
oracle.install.db.rootconfig.executeRootScript= true / false
oracle.install.db.rootconfig.configMethod= ROOT / SUDO
oracle.install.db.rootconfig.sudoPath=
oracle.install.db.rootconfig.sudoUserName=
https://oraclefact.wordpress.com/2019/08/05/1-install-oracle-database-19c-with-automatic-root- scripts-execution/
NEW QUESTION # 20
choose two You take your database backups by using the RMAN media management interface (MMI). Which two are true about the use of the RMAN MMI?
- A. You can
- B. You can
- C. You can
- D. You can
- E. You can
Answer: C,D
NEW QUESTION # 21
Examine this configuration:
* CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
* PDB$SEED is open READ ONLY
* PDB1 is open READ WRITE
* PDB2 is MOUNTED.
* ORACLE_HOME is /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. PDB$SEED, PDB1, and PDB2 only
- B. CDB1, PDB1, and PDB2 only
- C. CDB1, PDB$SEED, PDB1, and PDB2
- D. CDB1 and PDB$SEED only
- E. CDB1, PDB$SEED, and PDB1 only
Answer: E
NEW QUESTION # 22
Which three are true about performing an Oracle Database install on Linux? (Choose three.)
- 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. The runfixup.sh script can install missing RPMs.
- E. It can be done after installing Grid Infrastructure for a Standalone Server.
- F. It allows you to select the languages supported by the Oracle database server.
- G. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group
Answer: A,B,E
NEW QUESTION # 23
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)
- A. SQL statements that were originally run concurrently are run concurrently by SPA.
- B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
- C. It is integrated with the SQL Access Advisor.
- D. It predicts the impact of system changes on SQL workload response time.
- E. It provides before and after execution statistics for each SQL statement in the analysis task
Answer: D,E
NEW QUESTION # 24
Which three are true about configuring CONTROLFILE AUTOBACKUP by using RMAN?
- A. The control file is backed up whenever a new tablespace is created.
- B. The control file is backed up whenever a new table is created.
- C. It requires the use of fast recovery area (FRA).
- D. The server parameter file (SPFILE) is automatically backed up each time the control file is backed up.
- E. The control file is backed up automatically each time the SPFILE is backed up manually.
- F. The control file is backed up whenever an RMAN backup is successfully recorded in the catalog.
Answer: A,D,E
NEW QUESTION # 25
Which three are true about an application seed pluggable database (PDB)? (Choose three.)
- A. It is automatically synchronized with its application root PDB when an application is installed.
- B. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
- C. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
- D. It is not required in an application container.
- E. It is automatically synchronized with its application root PDB when an application is upgraded. B)It cannot be added to an application container after the application container has already been created.
- F. It cannot be dropped from its application container.
Answer: A,D
NEW QUESTION # 26
Which three are true about opatchauto?
- A. It applies patches in nonrolling mode by default.
- B. It Is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
- C. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
- D. It must be invoked by a user with root user privileges.
- E. Patchsets are applied via opatchauto.
- F. Users must always input patch plans to opatchauto.
- G. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.
Answer: A,C,E
NEW QUESTION # 27
Choose two. Which two are true about the Optimizer Statistics Advisor?
- A. It can recommend changes to improve the statistics gathering process.
- B. It runs automatically every night by default. E) It can be run only automatically.
- C. It always analyzes all schemas in the database.
- D. It can be run only manually.
Answer: A,B
NEW QUESTION # 28
Choose two. A database is configured in ARCHIVELOG mode. A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred. In which two scenarios is incomplete recovery required?
- A. after losing an UNDO tablespace that is in use
- B. after losing all members of an INACTIVE online redo log group
- C. after losing all copies of the control file
- D. after losing a SYSAUX tablespace data file
- E. after losing all members of the CURRENT online redo log group
Answer: C,E
NEW QUESTION # 29
Which three are true about performing an Oracle Database install on Linux?
- A. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- B. It allows you to select the languages supported by the Oracle database server.
- C. The Oracle PreinstallationRPMcan be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- D. The Oracle database administrator must be granted access to the root operating system account to run root privileged scripts.
- E. The runfixup.sh script can install missing RPMs.
- F. It can be done after installing Grid Infrastructure for a Standalone Server.
- G. It can be done before installing Grid Infrastructure for a Standalone Server.
Answer: A,B,G
NEW QUESTION # 30
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