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To pass the Oracle 1Z0-083 exam, candidates must demonstrate proficiency in a wide range of topics related to database administration. These topics include managing backup and recovery, maintaining database security, configuring high availability features, and optimizing database performance. 1Z1-083 exam also covers topics such as managing database storage, database concurrency, and database upgrades. Successful candidates will have a deep understanding of the Oracle database architecture, data management concepts, and database administration best practices. Passing 1Z1-083 exam is a significant achievement for professionals seeking to advance their careers in database administration.
NEW QUESTION # 52
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)
- A. relocating a remote pluggable database in silent mode
- B. cloning a remote container database in silent mode
- C. cloning a remote pluggable database in silent mode
- D. relocating a remote pluggable database in interactive mode
- E. relocating aremote container database in interactive mode
- F. relocating a remote container database in silent mode
- G. cloning a remote container database in interactive mode
Answer: A,B,D
NEW QUESTION # 53
Choose two. Which two are true about various Oracle security and auditing capabilities?
- A. Unified auditing can be automatically synchronized to all application PDBs in an application container.
- B. Application-common TSDP policies are always container specific.
- C. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container when they are updated.
- D. Application-common Transparent Security Data Protection (TSDP) policies can be created only if all the PDBs in the application container are closed.
- E. Application-common OLS policies can be created only if all the PDBs in the application container are closed.
Answer: A,C
NEW QUESTION # 54
Choose two. Which two statements are true when row-archival management is enabled?
- A. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.
- B. The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job based on activity tracking.
- C. The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the column select list of a query
- D. The ORA_ARCHIVE_STATE column may only be updated by users with the DBA role set.
- E. The ORA_ARCHIVE_STATE column may only be queried by users with the DBA role set.
Answer: A,C
NEW QUESTION # 55
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
You execute these commands successfully:
Which two are true?
- A. PDB$SEED is in read only state.
- B. CDB$ROOT is in mount state.
- C. PDB1 and PDB2 are in read only state.
- D. PDB1 and PDB2 are in mount state.
- E. Redo logs are opened.
Answer: C,E
NEW QUESTION # 56
RMAN is connected to the target database prod1 and an auxiliary instance in nomount state. Examine the command to create a duplicate database: RMAN> DUPLICATE TARGET DATABASE TO dup1 FROM ACTIVE DATABASE NOFILENAMECHECK PASSWORD FILE SPFILE; Which two statements are true about the execution of the duplicate command?
- A. The duplicate database has the same directory structure as the source database.
- B. All archive redo log files are automatically copied to the duplicate database.
- C. The duplicate database is created without using RMAN backups and prod1 is allowed to remain open during duplication.
- D. The duplicate database is created by using the backups created during the execution of
- E. The password file and SPFILE for the duplicate database dup1 are created in their respective default locations.
- F. he duplicate command.
Answer: A,C
NEW QUESTION # 57
Which three conditions must be met before you create a Virtual Private Catalog (VPC)?
- A. At least one target database should be registered in the recovery catalog.
- B. The recovery_catalog_owner role should be granted to the virtual catalog owner.
- C. The owner of VPC cannot own recovery catalog.
- D. A base recovery catalog should exist.
- E. The register database privilege should be granted to the virtual catalog owner.
Answer: C,D,E
NEW QUESTION # 58
Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)? (Choose three.)
- A. the Process Monitor Process (PMON)
- B. SYSAUX tablespaces
- C. undo tablespaces
- D. the data dictionary in CDB$ROOT
- E. the log writer process (LGWR)
- F. temporary tablespaces
Answer: A,D,F
NEW QUESTION # 59
Which three are located by using environment variables? (Choose three.)
- A. the maximum number of database files that can be opened by a database instance
- B. default directories for temporary files used by temporary tablespaces
- C. the location of Oracle Net Services configuration files
- D. the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
- E. the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
- F. the temporary disk space used by Oracle Installer during installation
Answer: A,B,C
NEW QUESTION # 60
Choose two. Which two restrictions apply when the RMAN BACKUP AS COPY command is used to create a backup?
- A. Backups can be written only if checksums are stored for each block.
- B. Backups can be taken only for data files.
- C. Backups can be taken only if a fast recovery area is configured.
- D. Backups can be written only to media.
- E. Binary compression cannot be applied to the backup.
- F. Backups can be written only to disk.
Answer: E,F
NEW QUESTION # 61
Which three are true about patchsets? (Choose three.)
- A. They are only released quarterly.
- B. They are installed via OPatch or OPatchAuto.
- C. They can introduce new features.
- D. Installing a patchset is considered an "upgrade".
- E. A base release is not needed to install patchsets.
- F. They can be applied in a rolling fashion for Clusterware and the databases.
Answer: A,D,E
NEW QUESTION # 62
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?
(Choose two.)
- A. Data Recovery Advisor can be used if a database is closed.
- B. Using the Data Recovery Advisor LIST FAILUREcommand always requires that the database for which failures are to be listed is in MOUNTstate.
- C. Data Recovery Advisor can proactively check for failures.
- D. The Data Recovery Advisor CHANGE FAILUREcommand can be used only to change failure priorities.
- E. A failure can be closed only when it has been repaired.
Answer: C,D
Explanation:
Explanation/Reference:
NEW QUESTION # 63
Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?
- A. The base catalog must be enabled for Virtual Private Catalog use.
- B. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.
- C. The target PDB must be registered in a base catalog.
- D. The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.
- E. The target PDB must be registered in a Virtual Private Catalog.
- F. The target PDB must be registered in both the base catalog and the Virtual Private Catalog.
Answer: A,B,D
NEW QUESTION # 64
Choose two. Which two are true about creating RMAN backups for an Oracle container database?
- A. Archived Redo Log backups can be created while connected to an application root CDB.
- B. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.
- C. Control file backups can be created while connected to a nonroot container.
- D. Control file backups can be created while connected to the root container.
- E. Online Redo Log backups can be created while connected to the root container.
Answer: B,D
NEW QUESTION # 65
Which three are true about requirements for various flashback operations?
- A. flashback drop requires that the recyclebin parameter be set to on.
- B. flashback data archive requires undo to store all versions of all rows of a table being tracked.
- C. flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- D. flashback version query 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 drop requires undo to retrieve all versions of a row that existed between two points in time.
Answer: B,D,F
NEW QUESTION # 66
Which two are true about server-generated alerts? (Choose two.)
- A. Stateful alerts must be created by a DBA after resolving the problem.
- B. Stateful alerts are purged automatically from the alert history.
- C. Stateless alerts can be cleared manually.
- D. Stateless alerts can be purged manually from the alert history.
- E. Stateless alerts are automatically cleared.
Answer: C,D
Explanation:
Except for the tablespace space usage metric, which is database related, the other metrics are instance related. Threshold alerts are also referred to as stateful alerts which are automatically cleared when an alert condition clears. Stateful alert appears in DBA_OUTSTANDING_ALERTS and when cleared go to DBA_ALERT_HISTORY. Other server-generated alerts correspond to specific database events such as ORA-* errors, "Snapshot too old" errors, Recovery Area Low on Free Space, Resumable Session Suspended. These are non threshold based alerts, also referred to as stateless alerts. Stateless alerts go directly to the History table. +++ Most alerts (such as "Out of Space") are cleared automatically when the cause of the problem disappears. However, other alerts (such as generic alert log errors) are sent to you for notification and must be acknowledged by you. After taking the corrective measures, you acknowledge an alert by clearing or purging it. Clearing an alert sends the alert to the Alert History which is accessible from Monitoring sub menu. Purging an alert removes it from the Alert History.
Reference:
https://jameshuangsj.wordpress.com/2019/12/01/clears-stateless-alerts-in-oem-by-using-emcli/
NEW QUESTION # 67
Examine the command to duplicate a database: RMAN> DUPLICATE TARGET DATABASE TO cdb PLUGGABLE DATABASE pdb1, pdb5; Which two statements are true about the DUPLICATE command?
- A. he SPFILE is copied along with the datafiles of the pluggable databases (PDBs). The root and the seed database in the container database (CDB) are also duplicated.
- B. A backup of pdb1 and pdb5 must exist before executing the command.
- C. A backup of CDB and pdb1 and pdb5 must exist before executing the command.
- D. The duplicate command first creates a backup, and then duplicates the PDBs by using the backup.
- E. An auxiliary instance must be started with the initialization parameter ENABLE_PLUGGABLE_DATABASE set to TRUE.
Answer: D,E
NEW QUESTION # 68
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