Valid 1Z0-083 Test Answers & Oracle 1Z0-083 Exam PDF
Oracle 1Z0-083 Certification Real 2025 Mock Exam
Oracle 1Z1-083 Certification Exam requires candidates to have a deep understanding of Oracle database architecture, SQL, and PL/SQL. Candidates should also have experience in database administration, performance tuning, and database security. 1Z0-083 exam is designed to test candidates’ knowledge of advanced database administration concepts, such as database performance tuning, database security, and high availability solutions.
NEW QUESTION # 29
An Oracle Database server session has an uncommitted transaction in progress which updated
5000 rows in one table.
In which two situations does the transaction complete, thereby committing the updates?
- A. When a DML statement is executed successfully by same user in a different session.
- B. When a DDL statement is executed successfully by same user in a different session.
- C. When a DML statement is executed successfully by the user in the same session.
- D. When a DBA issues a successful SHUTDOWN NORMAL statement and the session terminates normally.
- E. When a DDL statement is executed successfully by the user in the same session.
Answer: D,E
NEW QUESTION # 30
Which three true about recovering tables using RMAN? (Choose three.)
- A. RMAN can recover tables owned by the SYS user.
- B. RMAN always uses an auxiliary instance.
- C. RMAN can recover tables in the SYSAUX tablespace.
- D. RMAN can recover tables owed by the SYSTEM user.
- E. RMAN can recover tables in a standby database.
- F. RMAN can recover a table after a DDL operation has altered the table structure.
- G. RMAN can recover tables in the SYSTEM tablespace.
Answer: B,D,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/rman-recovering-tables-partitions.html#GUID-526969ED-37C3-44C6-B205-AF1621008DCE
NEW QUESTION # 31
Examine this configuration:
CDB1 is a container database.
PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:
Which two are true? (Choose two.)
- A. PDB1 and PDB2 are in READ ONLY state.
- B. PDB$SEED is in READ ONLY state.
- C. Redo logs are opened.
- D. CDB$ROOT is in MOUNT state.
- E. PDB1 and PDB2 are in MOUNT state.
Answer: B,C
NEW QUESTION # 32
Which three are true about OPatch?
- A. It must be invoked as the user that owns the software being patched.
- B. It supports Rolling Patching.
- C. It is platform independent.
- D. It can be used to apply interim patches to the Grid Infrastructure and Database Home combination.
- E. It is a Java-based utility for applying patchsets.
- F. It requires installation of Oracle Universal Installer.
Answer: A,B,D
NEW QUESTION # 33
Which three are true about performing an Oracle Database install on Linux? (Choose three.)
- A. It allows you to select the languages supported by the Oracle database server.
- B. The runfixup.sh script can install missing RPMs.
- 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. The Oracle database administrator must be granted access to the root operating system account to tun root privileged scripts.
- F. It can be done before installing Grid Infrastructure for a Standalone 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,D,E
NEW QUESTION # 34
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2.
COMMON_USER_PREFIX is set to an empty string. 3. PDB1 is a pluggable database in CDB1. 4. APP1_ROOT is an application container in CDB1. 5. APP1_PDB1 is an application PDB in APP1_ROOT. You execute these commands: S sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> CREATE ROLE role1 CONTAINER=CURRENT; Which is true?
- A. ROLE1 will be created only in CDB$ROOT and APP1_ROOT.
- B. It will return an error because creation of a local role is not allowed in CDB$ROOT.
- C. It will return an error because common roles must start with C##.
- D. ROLE1 will be created only in CDB$ROOT.
- E. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.
Answer: B
NEW QUESTION # 35
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 Memory Advisor for the System Global Area.
- B. Run the SQL Access Advisor.
- C. Run the Memory Advisor for the shared pool.
- D. Run the SQL Tuning Advisor.
- E. Run the Memory Advisor for the Program Global Area.
Answer: C
NEW QUESTION # 36
Which two are true about gathering optimizer statistics? (Choose two.)
- A. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.
- B. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.
- C. System statistics can be gathered only while connected to CDB$ROOT.
- D. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)
- E. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.
Answer: B,D
NEW QUESTION # 37
Examine these queries and their output:
An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?
- A. This cannot be done due to the lack of a clean restore point.
- B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
- C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
- D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
- E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
Answer: E
NEW QUESTION # 38
Choose three. Which three are true about post-upgrade activities when upgrading an Oracle database using Database Upgrade Assistant?
- A. Any Recovery Manager (RMAN) recovery catalog must be upgraded manually.
- B. The Oracle Application Express configuration should be updated after upgrading Oracle Database.
- C. After a manual upgrade, TNSNAMES.ORA entries must be updated to reflect the new ORACLE_HOME.
- D. Time zone files must be upgraded manually using the DBMS_DST PL/SQL package.
- E. The new extended data type capability must be enabled by running the utlrp.sql script
Answer: A,B,E
NEW QUESTION # 39
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
- A. It runs automatically after each AWR snapshot.
- B. A DBA can run it manually.
- C. Results are written to the alert log.
- D. It analyzes a period of time corresponding to the 12 hours of activity.
- E. It analyzes a period of time corresponding to the last day of activity.
Answer: A,C
NEW QUESTION # 40
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$SESSION_WAIT_CLASS
- B. V$SESSION
- C. V$SESSION_EVENT
- D. V$SESSTAT
- E. V$SESSION_WAIT
Answer: C
Explanation:
The V$SESSION_EVENT view provides summary of all the events the session has waited for since it started.
NEW QUESTION # 41
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)
- A. The Data Warehouse template is most suitable when transaction response time is the key criterion.
- B. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
- C. Oracle DBCA templates can store only logical structure and not database files.
- D. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
- E. New templates can only be created by modifying an existing user-created template.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/ADMQS/GUID-2B8A3B5E-D319-4377-8B22-
8BB67DCC9885.htm#ADMQS0235
NEW QUESTION # 42
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 data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- B. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
- C. The control file is included in the self-contained archival backup.
- D. All archive logs created after this backup are kept for two years.
- E. The restore point is a label for the system change number (SCN) before the archival backup was taken.
- F. The SPFILE is included in the self-contaied archival backup.
Answer: C,D,F
NEW QUESTION # 43
Which two are true about common objects? (Choose two.)
- A. They can be extended data-linked in CDB$ROOT.
- B. They can be created only in CDB$ROOT.
- C. They can be only metadata-linked in an application container.
- D. They can be created only in an application root.
- E. They can exist in user-defined schemas only in application containers.
- F. They can exist in CDB$ROOT and an application root.
Answer: D,E
Explanation:
Reference:
https://blog.toadworld.com/2017/08/01/oracle-multi-tenant-application-containers-part-iii-sharing- of-data-in-application-common-objects
NEW QUESTION # 44
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?
- A. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- B. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- C. These backups can be written to disk or SBT.
- D. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
- E. All non-Oracle files in the current FRAthat have not been backed up already, are backed up.
Answer: D
NEW QUESTION # 45
Choose three. 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 an RMAN backup is successfully recorded in the catalog.
- 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 a new table is created.
Answer: A,D,E
NEW QUESTION # 46
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? (Choose two.)
- A. after losing a SYSAUX tablespace data file
- B. after losing all copies of the control file
- C. after losing all members of the CURRENT online redo log group
- D. after losing an UNDO tablespace that is in use
- E. after losing all members of an INACTIVE online redo log group
Answer: B,C
Explanation:
If you lose all control the required incomplete recovery. if incomplete recovery then db must be open in resetlog option.
http://oracle-help.com/backup-and-recovery/recovery-restore-loss-current-control-files-default- location/
NEW QUESTION # 47
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
- A. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
- B. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- C. The Oracle Grid Infrastructure installation must be owned by the grid user.
- D. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- E. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- F. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
Answer: E,F
NEW QUESTION # 48
Choose two. Which two are true about the execution of operating system scripts starting from Oracle Database 19c?
- A. root.sh can be executed automatically by the Database installer only by using sudo credentials.
- B. The root password cannot be specified in a response file.
- C. orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
- D. The sudo password must be specified in a response file.
- E. root.sh can be executed automatically by the Database installer only if it is provided with root credentials.
Answer: B,E
NEW QUESTION # 49
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1Z0-083 Exam Questions and Valid 1Z0-083 Dumps PDF: https://www.exams4collection.com/1Z0-083-latest-braindumps.html
1Z0-083 Brain Dump: A Study Guide with Tips & Tricks for passing Exam: https://drive.google.com/open?id=1s8fp632tHicDV9LKwbND0MZ8Z5hbgwnQ
