Oracle 1Z1-083 Dumps Questions [2023] Pass for 1Z1-083 Exam [Q88-Q109]

Oracle 1Z1-083 Dumps Questions [2023] Pass for 1Z1-083 Exam

Updated Oracle Study Guide 1Z1-083 Dumps Questions

NEW QUESTION # 88
Choose three. You must migrate a non-CDB Oracle 11g Database to a CDB without first performing an upgrade to the non-CDB. User-defined objects are stored in several tablespaces in the non-CDB. Which three methods can you use?

• A. Data Pump full transportable database
• B. cloning the non-CDB as a PDB
• C. replication using GoldenGate
• D. Data Pump full database export and import
• E. the DBMS_PDB package
• F. Data Pump transportable tablespaces

Answer: C,D,F

NEW QUESTION # 89
Examine this command:
$ rhpctl move database -sourcehorae Oracle_horne_path -destinationhome Oracle_home_path For which two purposes can you use this command?

• A. to switch to a patched Oracle Database home
• B. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server
• C. to switch back to the previous Oracle home as part of a rollback operation
• D. to switch to a read-only Oracle home
• E. to switch an existing Oracle Database home to a newer release of Oracle software on the same server

Answer: B,D

NEW QUESTION # 90
Examine this configuration:
* CDB1 is a container database.
* COMMON_USER_PREFIX is C##.
* PDB1 is a pluggable database contained in CDB1.
* APP1_ROOT is an application container contained in CDB1.
* APP1_PDB1 is an application PDB contained in APP1_ROOT.
You execute these commands successfully:

Which two are true? (Choose two.)

• A. APP1_USER1 can be created in CDB1.
• B. APP1_USER1 can be created in PDB1.
• C. APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT.
• D. C##_APP_USER1 can be created in CDB1.
• E. C##_USER1 will have the same privileges and roles granted in all PDBs in CDB1.
• F. P1_USER1 can be created in CDB1.

Answer: C,E

NEW QUESTION # 91
Which two are true about data movement between a non-CDB and a PDB using Data Pump?

• A. Tablespaces are automatically created as needed while importing full exports in either a non-CDB or a PDB.
• B. Oracle attempts to convert conventional database users to local users when moving schemas from a non-CDB to a PDB.
• C. Oracle attempts to convert common users to conventional users when moving schemas from a PDB to a non-CDB.
• D. Moving data from a non-CDB to a PDB is only possible by using conventional export and import.
• E. A new PDB is automatically created when importing a non-CDB into a CDB.
• F. Moving data from a PDB to a non-CDB is only possible by using transportable tablespace export and import.

Answer: A,E

NEW QUESTION # 92
After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE ------------0 SQL> exec DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES(-1); SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL; NUMBER_VALUE -------------1 After changing the value, you notice that FULL redaction continues to redact numeric data with zero.What must you do to activate the new default value for numeric full redaction?

• A. Flushthesharedpool.
• B. Re-createredactionpoliciesthatuseFULLdataredaction.
• C. Re-connect the sessions that access objects with redaction policies defined on them.
• D. Re-enableredactionpoliciesthatuseFULLdataredaction.
• E. Restart the database instance. Correct

Answer: E

NEW QUESTION # 93
You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. Which method or feature should you use?

• A. Active Session History (ASH) report
• B. Database Replay
• C. SQL Performance Analyzer
• D. Automatic Database Diagnostic Monitor (ADDM) Compare Period report

Answer: D

NEW QUESTION # 94
Which three are true about recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

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

Answer: A,D,E

NEW QUESTION # 95
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

• A. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
• B. The RMAN SHOW ALL command displays only settings with nondefault values.
• C. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
• D. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
• E. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
• F. A target database's persistent RMAN configuration settings are always stored in the target's control file
• G. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.

Answer: A,E,F

NEW QUESTION # 96
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

• A. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the dataabse be in the MOUNT state.
• B. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
• C. An Oracle database can be restored from backup files copied using O/S utilities.
• D. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
• E. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
• F. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.
• G. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.

Answer: D,E,G

NEW QUESTION # 97
Choose three. Which three are true about a whole database backup?

• A. It can be consistent.
• B. It always includes all data files, the current control file, the server parameter file, and archived redo logs.
• C. It can consist of either backup sets or image copies. F) It can be inconsistent.
• D. It is the only possible backup type for a database in NOARCHIVELOG mode.
• E. It can be created only by using RMAN.

Answer: A,C

NEW QUESTION # 98
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_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
• C. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
• D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
• E. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
• F. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.

Answer: A,B,C

NEW QUESTION # 99
You issued this command: RMAN> BACKUP RECOVERY FILES; Which two are true? (Choose two.)

• A. All Oracle recovery files in the current FRA that have not been backed up already, are backed up. D)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 non-Oracle files in the current FRA that have not been backed up already, are backed up.

Answer: A,B

NEW QUESTION # 100
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)

• A. It runs automatically after each AWR snapshot.
• B. It analyzes a period of time corresponding to the last day of activity.
• C. A DBA can run it manually.
• D. Results are written to the alert log.
• E. It analyzes a period of time corresponding to the 12 hours of activity.

Answer: A,D

NEW QUESTION # 101
Examine this output:

Which two are true? (Choose two.)

• A. PDB3 can use all available parallel execution processes at times.
• B. Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources.
• C. PDB2is guaranteed at least 25% of the available parallel execution processes if there is enough demand.
• D. PDB1is always limited to 40% of the available system resources regardless of demand.
• E. PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.
• F. Any PDB not specified in the plan will be unable to execute statements in parallel.

Answer: E,F

NEW QUESTION # 102
Choose three. You issued this command: RMAN> BACKUP RECOVERY AREA FORCE; Which three are true?

• A. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up.
• B. All files in any previous FRA that have not yet been backed up, are backed up.
• C. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up. C)All files in the current FRA that have been backed up already, are backed up.
• D. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.
• E. All files in any previous FRA that have been backed up already, are backed up.
• F. All Oracle recovery files normally written to the FRA and which have not yet been backed, are backed up.

Answer: D,E

NEW QUESTION # 103
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

• A. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
• B. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
• C. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.
• D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
• E. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

Answer: A,E

NEW QUESTION # 104
Which two are true about common objects? (Choose two.)

• A. They can be only metadata-linked in an application container.
• B. They can exist in CDB$ROOT and an application root.
• C. They can be created only in an application root.
• D. They can be created only in CDB$ROOT.
• E. They can exist in user-defined schemas only in application containers.
• F. They can be extended data-linked in CDB$ROOT.

Answer: C,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 # 105
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)

• A. A Virtual Private Catalog used to register a container database can be created in a non-container database.
• B. A Virtual Private Catalog used to register a container database must be created in a pluggable database.
• C. It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.
• D. A Virtual Private Catalog used to register a container database can be created in a pluggable database.
• E. It is always possible for RMAN to connect to a pluggable database as a target.
• F. It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.

Answer: A,D,E

Explanation:
Explanation/Reference:

NEW QUESTION # 106
Examine these actions:
1. Create a new database for a recovery catalog.
2. Create a tablespace with sufficient space in the catalog database for the recovery catalog.
3. Configure archivelog mode for the catalog database.
4. Create a user to own the recovery catalog schema with quota on the tablespace that will contain the catalog.
5. Grant the recovery_catalog_owner role to the recovery catalog schema owner.
6. Grant the sysbackup privilege to the recovery catalog schema owner.
Which are the minimum actions that must be performed before executing the create catalog command?

• A. 2, 4, 5
• B. 1,3,4, 5
• C. 2, 4, 5, 6
• D. 1,2,3,4, 5,6
• E. 1,2,4, 5

Answer: B

NEW QUESTION # 107
Which two are true about the Oracle database tuning methodology?

• A. Tuning activities should stop once agreed service levels for performance have been met.
• B. The alert log should be used to find the database and instance areas most in need of tuning.
• C. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
• D. Tuning activities should stop once the user is satisfied with performance.
• E. SQL statements should always be tuned before tuning any file systems.
• F. The database instance memory should always be tuned before tuning any file systems.

Answer: C,E

NEW QUESTION # 108
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:

Which two are true? (Choose two.)

• 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 will be an owner of the Oracle Inventory.
• D. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
• E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

Answer: B,D

NEW QUESTION # 109
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