Nov 10, 2023 Updated 1Z0-083 Dumps Questions For Oracle Exam
Best Value Available Preparation Guide for 1Z0-083 Exam
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.
Oracle 1Z0-083 exam is a comprehensive exam that covers a wide range of topics related to database administration. Some of the key areas that are covered in 1Z0-083 exam include managing database storage structures, backup and recovery, database performance tuning, and managing database security. To prepare for 1Z0-083 exam, candidates should have a solid knowledge of Oracle Database Administration I.
NEW QUESTION # 138
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 Program Global Area.
- B. Run the Memory Advisor for the shared pool.
- C. Run the SQL Access Advisor.
- D. Run the SQL Tuning Advisor.
- E. Run the Memory Advisor for the System Global Area.
Answer: B
NEW QUESTION # 139
Choose three. Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PDB) starting from Oracle 19c?
- A. creating a database link from CDB$ROOT in the remote database to the PDB in the local database
- B. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
- C. creating a new empty PDB in the local database from PDB$SEED
- D. automatically dropping the database link to the remote database if it already exists
- E. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database
- F. opening the cloned PDB
- G. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
Answer: A,D,G
NEW QUESTION # 140
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
- A. using Oracle Data Pump
- B. using Database Upgrade Assistant
- C. using Database Replay
- D. using operating system file copy utilities
- E. using SQL Developer
- F. using the CREATE TABLE AS SELECT SQL statement
Answer: A,B,F
Explanation:
Explanation
https://www.oracle.com/a/tech/docs/twp-upgrade-oracle-database-19c.pdf
NEW QUESTION # 141
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)
- A. The V$RMAN_CONFIGURATION view displays only settings with valuesthat have been modified. G)A DBA must specify either a redundancy retention policy or a recovery window retention policy.
- B. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
- C. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
- D. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
- E. The RMAN SHOW ALL command displays only settings with nondefault values.
- F. A target database's persistent RMAN configuration settings are always stored in the target's control file
Answer: A,B,F
NEW QUESTION # 142
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 DATABSE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABSE OPEN
10.ALTER DATABASE OPEB RESETLOGS
Choose the minimum required steps in the correct order to recover the database.
- A. 1, 3, 5, 7, 10
- B. 1, 2, 5, 7, 4, 10
- C. 1, 3, 5, 6, 9
- D. 1, 3, 5, 8, 6, 10
- E. 1, 3, 5, 6, 10
Answer: E
NEW QUESTION # 143
Which three are true about an application seed pluggable database (PDB)? (Choose three.)
- A. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
- B. It cannot be added to an application container after the application container has already been created.
- C. It is automatically synchronized with its application root PDB when an application is installed.
- D. It is not required in an application container.
- E. It is automatically synchronized with its application root PDB when an application is upgraded.
- F. 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.
- G. It cannot be dropped from its application container.
Answer: C,D,F
NEW QUESTION # 144
Which four are true about RMAN backup sets? (Choose four.)
- A. A data file can be split into multiple sections stored in different backup sets.
- B. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
- C. A backup piece can belong to only one backup set.
- D. A backup set must be written to media.
- E. Blocks from multiple data files can be contained in one backup piece,
- F. Blocks from multiple data files can be contained in one backup set,
- G. A backup set can contain only one backup piece.
- H. A backup set must be written to disk.
Answer: A,D,F,G
NEW QUESTION # 145
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 ARCHIVE LOG 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. 1,2,3,4,5,6
- B. 1,3,4,5
- C. 1,2,4,5
- D. 2,4,5,6
- E. 2,4,5
Answer: E
NEW QUESTION # 146
Examine these queries and their output:
After a system crash, an instance restart and an attempted opening of the PDBs result in:
Which two are true? (Choose two.)
- A. Data file 24 must be recovered while the CDB is opened.
- B. Data file 24 can be recovered while CDB$ROOTand PDB$SEEDare opened.
- C. Data file 24 must be recovered while PDB2 is closed.
- D. Data file 24 can be recovered while PDB2 is opened.
- E. Data file 24 cannot be recovered while the CDB is opened.
Answer: A,E
NEW QUESTION # 147
Which three methods can be used for heap table data migration after upgrading a database?
- A. using Oracle Data Pump
- B. using the create table AS select SQL statement
- C. using Database Replay
- D. using Database Upgrade Assistant
- E. using operating system file copy utilities
- F. using SQL Developer
Answer: C,D,F
NEW QUESTION # 148
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. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- B. oracle must be the owner of every Oracle Database installation.
- C. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
- D. oracle will be an owner of the Oracle Inventory.
- E. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
Answer: A,D
NEW QUESTION # 149
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)?
- A. 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.
- B. An Oracle database can be restored from backup files copied using O/S utilities.
- C. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be shut down.
- D. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be started and the database be in mount state.
- E. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as image copies.
- 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. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
Answer: B,E,G
NEW QUESTION # 150
Choose three. Which three are true about corrupted data blocks and their recovery in an Oracle Database?
- A. A media corrupt block is one where the block is not formatted correctly.
- B. If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.
- C. If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.
- D. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.
- E. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.
- F. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.
Answer: B,D,F
NEW QUESTION # 151
Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES APP application. Examine these steps:
Install the SALES_APP application, induding the common tables, in the application root.
Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root.
Create an application seed.
Install the SALES_APP application in the application seed.
Create the SALES_APP1 and SALES_APP2 application PDBs.
Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.
Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.
Sync the application seed with the application root. Which are the minimum required steps in the correct sequence?
- A. 3,4,1.6,8
- B. 1,5,6
- C. 1,3,5,6,7
- D. 2,5,6
- E. 1,3,5,7
Answer: B
NEW QUESTION # 152
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
- A. The BACKUP DATABASE PLUS ARCHIVELOGcommand will back up archive logs when RMAN is connected to a PDB.
- B. The BACKUP DATABASEcommand will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- C. The BACKUP PLUGGABLE DATABASEcommand can be used to back up CDB$ROOT.
- D. SPFILEbackups can be created while connected to an application root PDB.
- E. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
Answer: B,E
NEW QUESTION # 153
Choose three. Which three are true about Oracle Restart?
- A. The Server Control (SRVCTL) utility can be used to start and stop Oracle Restart.
- B. It runs from the Oracle Grid Infrastructure home.
- C. It can manage Oracle Database instances, Oracle Net Listeners, and Oracle Automatic Storage Management instances.
- D. It is used in both clustered and non-clustered environments.
- E. If you shut down a database instance with SQL*Plus, Oracle Restart interprets this as a database failure and attempts to restart the instance.
- F. You can add and remove components from an Oracle Restart configuration with Server Control (SRVCTL) commands.
Answer: C,D,F
NEW QUESTION # 154
For which two requirements can you use the user_tablespaces clause with the create pluggable database command?
- A. to specify a default tablespace in a PDB cloned from another PDB in the same CDB
- B. to include specific user tablespaces only when relocating a PDB
- C. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- D. to exclude a temp tablespace when plugging in a PDB
- E. to exclude all tablespaces except system, sysaux, and temp when plugging in a PDB
- F. to specify the list of tablespaces to include when creating a PDB from the CDB seed
Answer: D,E
NEW QUESTION # 155
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Oracle 1Z0-083 exam is designed for those who want to validate their skills and knowledge in Oracle Database Administration. 1Z0-083 exam is the second part of the two-part series that leads to the Oracle Database Administrator Certified Professional credential. Passing the exam demonstrates that the candidate has advanced knowledge and skills in database administration and can perform complex tasks in various Oracle database environments.
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