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Oracle 1Z1-083 exam is ideal for IT professionals who have experience working with Oracle databases and want to enhance their skillset by demonstrating their advanced knowledge. Oracle Database Administration II certification enables candidates to further their careers in database management and administration by showcasing their proficiency and expertise in this field. The Oracle 1Z1-083 exam is recognized globally and is widely accepted as a validation of an IT professional’s expertise.
NEW QUESTION # 85
A container database called CDB1is OMF-enabled.
PDB_FILE_NAME_CONVERTis not configured in CDB1.
PDB1was unplugged from CDB1earlier 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. PDB1 must be dropped from CDB1.
- B. DBMS_PDB.CHECK_PLUG_COMPATIBILITYmust be run in CDB1before executing the command.
- C. PDB1 data files already exist in the correct location.
- D. PDB_FILE_NAME_CONVERTmust be set before executing the command.
- E. /u01/app/oracle/oradata/pdb1.xmldoes not contain the current locations of data files for PDB1.
Answer: D,E
Explanation:
Explanation/Reference: http://anjaniappsdba.blogspot.com/2016/09/oracle-database-12102c-hot-cloning-of.html
NEW QUESTION # 86
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 installer will prompt for the root or sudo password.
- B. The response file can specify the root or sudo password.
- C. The response file must contain the root or sudo password.
- D. Silent install always runs operating scripts automatically.
- E. The response file can specify the path of the sudo program.
Answer: C,E
NEW QUESTION # 87
Which three are true about Database Point-in-Time Recovery? (Choose three.)
- A. The database must be open RESETLOGS after Database Point-in-Time Recovery.
- B. The target point for the recovery must be specified as a stime or System Change Number (SCN).
- C. The database must be in MOUNT state when performing Database Point-in-Time Recovery.
- D. The Database must be in ARCHIVELOG mode.
- E. The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.
- F. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
Answer: A,C,D
Explanation:
Explanation
https://docs.oracle.com/cd/B19306_01/backup.102/b14192/flashptr006.htm#:~:text=Database%20point%2Din%
NEW QUESTION # 88
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 SQL Access Advisor.
- B. Run the Memory Advisor for the Program Global Area.
- C. Run the Memory Advisor for the shared pool.
- D. Run the SQL Tunning Advisor.
- E. Run the Memory Advisor for the System Global Area.
Answer: C
NEW QUESTION # 89
Choose three. Which three are true about block media recovery?
- A. It can be performed on noncorrupt blocks.
- B. The data file containing the block being recovered remains online.
- C. A block being recovered is not accessible.
- D. The target database for which one or more blocks are to be recovered must be in the OPEN state.
- E. It cannot repair logical corruption.
- F. To use it, Flashback Database must be enabled.
Answer: B,C,F
NEW QUESTION # 90
Choose three. Which three are true about a container database (CDB)?
- A. It can contain only one PDB$SEED, which is created when the CDB is created.
- B. It can have any number of pluggable databases (PDBs) limited only by space availability.
- C. It can contain only one Application Container seed, which is created when the Application Container is created.
- D. It can be created from a non-CDB.
- E. It can be created by cloning an existing CDB.
- F. It contains predefined common roles in both the root and the seed.
- G. It can have local users with the same name in different PDBs.
Answer: A,E,F
NEW QUESTION # 91
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
- A. using Database Replay
- B. using SQL Developer
- C. using operating system file copy utilities
- D. using Oracle Data Pump
- E. using Database Upgrade Assistant
- F. using the CREATE TABLE AS SELECT SQL statement
Answer: C,E,F
NEW QUESTION # 92
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. PDB1 must be dropped from CDB1.
- B. /u01/app/oracle/oradata/pdb1.xml does not contain the current locations of data files for PDB1.
- C. PDB_FILE_NAME_CONVERT must be set before executing the command.
- D. DBMS_PDB.CHECK_PLUG_COMPATIBILITY must be run in CDB1 before executing the command.
- E. PDB1 data files already exist in the correct location.
Answer: B,C
NEW QUESTION # 93
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?
- A. The control file is included in the self-contained archival backup.
- B. The spfile is included in the self-contained archival backup.
- C. All archive logs created after this backup are kept for two years.
- D. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- E. The restore point is a label for the system change number (SCN) before the archival backup was taken.
- F. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
Answer: A,B,C
NEW QUESTION # 94
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. 1,2,4, 5
- B. 2, 4, 5
- C. 2, 4, 5, 6
- D. 1,3,4, 5
- E. 1,2,3,4, 5,6
Answer: D
NEW QUESTION # 95
How do you configure a CDB for local undo mode?
- A. Open the CDB instance in restricted mode. In cdb$root, execute alter database local undo on. create an undo tablespace in each PDB, and then restart the CDB instance
- B. Open the CDB instance in restricted mode. In cdb$root, drop the undo tablespace. Execute alter database local undo on in each PDB, and then restart the CDB instance.
- C. Open the CDB in read-only mode. In cdb$root, execute alter database local undo on, and then change the CDB to read/write mode.
- D. Open the CDB instance in upgrade mode. In cdb$root, execute alter database local undo on, and then restart the CDB instance.
- E. Open the CDB instance in upgrade mode. In each PDB, execute alter database local undo on, create an undo tablespace, and then restart the CDB instance.
Answer: B
NEW QUESTION # 96
A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?
- A. V$SESSION_WAIT
- B. V$SESSION_WAIT_CLASS
- C. V$SESSTAT
- D. V$SESSION_EVENT
- E. V$SESSION
Answer: D
NEW QUESTION # 97
Examine this configuration:
1. CDB1 and CDB2 are two container databases.
2. PDB1 is a pluggable database in CDB1.
3. PDB1_C1_SRV is a service for PDB1.
4. CDB1_LINK is a database link in CDB2 referring to PDB1.
5. CDB2 is also an entry in tnsnames.ora pointing to the CDB2 database default service.
You execute these commands successfully:
$ sqlplus sys/oracle_4U@cdb2 as sysdba
SQL> CREATE PLUGGABLE DATABASE PDB1
FROM PDB1@CDB1_LINK
SERVICE_NAME_CONVERT=('PDB1_C1_SRV','PDB1_C2_SRV');
Which two are true? (Choose two.)
- A. PDB1_C2_SRV will be created but not started.
- B. PDB1_C1_SRV in CDB1 will be renamed PDB1_C2_SRV.
- C. PDB1 will be created in CDB2 and automatically opened.
- D. PDB1_C2_SRV will be created and started automatically.
- E. PDB1 will be created in CDB2 and left in MOUNT state.
Answer: B,C
NEW QUESTION # 98
Choose two. Which two are true about backup set compression using RMAN default compression?
- A. Compressed backups cannot have a section size defined.
- B. Unused blocks below the high water mark are backed up.
- C. Compressed backups can be written only to media.
- D. Binary compression adds CPU overhead to backup operations.
- E. Compression can be done only for locally managed tablespaces.
Answer: D,E
NEW QUESTION # 99
RMAN has just been connected to a target database and the recovery catalog database.
In which two cases would an automatic full resynchronization occur between this target database's control file and the RMAN recovery catalog? (Choose two.)
- A. when a new tablespace is added to a registered target database
- B. when a backup of the current control file is created
- C. when the target is first registered
- D. when control file metadata for archive log backups or image copies has been overwritten in the target database's control file due to being older than CONTROL_FILE_RECORD_KEEP_TIME
- E. when control file metadata for data file backups or image copies has been overwritten in the target database's control file due to being older than CONTROL_FILE_RECORD_KEEP_TIME
Answer: B,E
NEW QUESTION # 100
Which three are true about performing an Oracle Database install on Linux?
- A. It can be done before installing Grid Infrastructure for a Standalone Server.
- B. The runfixup.sh script can install missing RPMs.
- C. The Oracle Preinstallation RPM can 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 Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- F. It allows you to select the languages supported by the Oracle database server.
- G. It can be done after installing Grid Infrastructure for a Standalone Server.
Answer: A,E,F
NEW QUESTION # 101
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To be eligible for the Oracle 1Z0-083 certification exam, you must have a strong foundation in database administration concepts and have passed the Oracle Database Administration I certification exam. You should also have practical experience working with Oracle databases, including experience in backup and recovery, performance tuning, and security management. Preparing for the exam can be challenging, but there are many resources available, including Oracle's official study materials, practice exams, and training courses.
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