2022 Valid 1Z0-083 Real Exam Questions (Updated) 100% Dumps & Practice Exam
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NEW QUESTION 71
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 72
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)
- A. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.
- B. Online Redo Log backups can be created while connected to the root container.
- C. Control file backups can be created while connected to the root container.
- D. Archived Redo Log backups can be created while connected to an application root CDB.
- E. Control file backups can be created while connected to a nonroot container.
Answer: D,E
NEW QUESTION 73
Which two are true about gathering optimizer statistics?
- A. Executing dbms_stats.gather_database_stats while connected to cdb$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 in all open pluggable databases (PDBs).
- C. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics only in cdbSroot.
- D. System statistics can be gathered only while connected to cdb$root.
- E. Executing dbms_stats.gather_database_stats while connected to a PDBopened in read/write mode gathers object statistics for that PDB.
Answer: B,C
NEW QUESTION 74
Which two are true about memory advisors? (Choose two.)
- A. If Automatic Memory Management is enabled, the Shared Pool Advisor and Buffer Cache Advisor are available to set the maximum size for these individual System Global Area components.
- B. All memory advisors use data from Automatic Workload Repository.
- C. If Manual Shared Memory Management is enabled, only the Shared Pool Advisor and Buffer Cache Advisor are available.
- D. If Automatic Memory Management is enabled, no memory advisors are available.
- E. If Automatic Shared Memory Management is enabled, both the SGA Advisor and PGA Advisor are always available.
Answer: D,E
NEW QUESTION 75
The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3.
Which three are true? (Choose three.)
- A. A database link must exist in the remote CDB referring to the local CDB.
- B. A proxy PDB must exist in the application root in the local CDB.
- C. The HR_ROOT replica must exist in the remote CDB.
- D. A proxy PDB must exist in the application root in the remote CDB.
- E. PDB3's application root replica must exist in the local CDB.
- F. A database link must exist in the local CDB root referring to the remote CDB.
Answer: A,B,C
NEW QUESTION 76
Examine this configuration:
CDB1 is a container database.
PDB1 and PDB2 are pluggable databases in CDB1.
PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully:
Which two are true? (Choose two.)
- A. CDB1 is in MOUNT state
- B. Uncommitted transactions in PDB1 have been rolled back.
- C. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
- D. PDB1 is closed.
- E. CDB1 is shut down.
Answer: B,D
NEW QUESTION 77
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 restore point is a label for the system change number (SCN) before the archival backup was taken.
- B. The SPFILE is included in the self-contaied archival backup.
- C. The control file is included in the self-contained archival backup.
- D. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- E. All archive logs created after this backup are kept for two years.
- 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: B,C,E
NEW QUESTION 78
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A. to exclude a temp tablespace when plugging in a PDB
- B. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- C. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- D. to specify the list of tablespaces to include when creating a PDB from the CDB seed
- E. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
- F. to include specific user tablespaces only when relocating a PDB
Answer: B,D
NEW QUESTION 79
Which three are true about the SQL Tuning Advisor? (Choose three.)
- A. It can recommend semantic changes to SQL statements.
- B. It builds SQL profiles for each poorly performing SQL statement to prevent regressions.
- C. It checks each query being analyzed for stale statistics.
- D. It only recommends syntactic changes to SQL statements.
- E. It checks each query being analyzed for missing statistics.
- F. It considers all SQL statements being analyzed by the advisor task as a group.
Answer: B,C,E
NEW QUESTION 80
Which three are performed by Oracle Automatic Storage Management (ASM) instances? (Choose three.)
- A. acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)
- B. managing space allocation for Oracle ASM files
- C. managing extent allocation for Oracle database segments
- D. acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes
- E. mounting disk groups
- F. managing Allocation Units (AUs) for disk group content
Answer: B,E,F
NEW QUESTION 81
Which three are true about Oracle Grid Infrastructure for a Standalone Server?
- A. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks
- B. It requires the operating system oracle_base environment variable to be predefined before installation.
- C. It requires Oracle ASMLibto manage Automatic Storage Management (ASM) disks.
- D. It creates one disk group during installation.
- E. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.
- F. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
Answer: A,D,F
NEW QUESTION 82
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
- A. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- B. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
- 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 Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- F. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
Answer: E,F
NEW QUESTION 83
Which two are true about the Oracle database tuning methodology?
- A. The alert log should be used to find the database and instance areas most in need of tuning.
- B. The database instance memory should always be tuned before tuning any file systems.
- C. SQL statements should always be tuned before tuning any file systems.
- D. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
- E. Tuning activities should stop once agreed service levels for performance have been met.
- F. Tuning activities should stop once the user is satisfied with performance.
Answer: C,D
NEW QUESTION 84
Which three are true about patchsets? (Choose three.)
- A. Installing a patchset is considered an "upgrade".
- B. They can introduce new features.
- C. They are only released quarterly.
- D. They are installed via OPatch or OPatchAuto.
- 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,C,E
NEW QUESTION 85
Which two are true about RMAN encryption? (Choose two.)
- A. The SET ENCRYPTIONcommand overrides encryption settings specified by the CONFIGURE ENCRYPTIONcommand.
- B. RMAN can encrypt the Oracle Database password file.
- C. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
- D. RMAN encryption keys are stored in a database keystore.
- E. Password encryption can be persistently configured using the CONFIGURE ENCRYPTIONcommand.
Answer: A,C
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/BRADV/rcmconfa.htm#BRADV89476
NEW QUESTION 86
Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.)
- A. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
- B. creating the OSDBA (dba) group
- C. creating the oracle OS user
- D. configuring the OS for Oracle Automatic Storage Management shared storage access
- E. creating the grid OS user
- F. creating thte oraInventory (oinstall) group
Answer: B,C,F
Explanation:
Reference:
https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN2932
NEW QUESTION 87
Which three are true In Oracle 19c and later releases?
- A. A transportable data pump import can leave a plugged-in tablespace In read/write mode.
- B. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.
- C. Tablespaces always remain In read/write mode during transportable tablespace operations.
- D. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
- E. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
- F. Tablespaces never remain In read/write mode during transportable tablespace operations.
Answer: B,C,E
NEW QUESTION 88
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