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Best Quality Oracle 1Z0-083 Exam Questions
NEW QUESTION # 141
Examine this configuration:
1. CDB1 is a container database.
2. COMM0N_USER_PREFIX IS C##.
3. PDB1 is a pluggable database contained in CDB1.
4. APP1_ROOT is an application container contained in CDB1.
5. APP1_PDB1 is an application PDB contained in APP1_ROOT.
You execute these commands successfully:
Which two are true?
- A. c##_app_user1 can be created in cdb1.
- B. app1_user1 can have different privileges in each Application PDB contained in app1_root.
- C. c##_user1 will have the same privileges and roles granted in all PDBs in cdb1.
- D. p1_user1 can be created in cdb1.
- E. app1_user1 can be created in pdb1.
- F. app1_user1 can be created in cdb1.
Answer: B,E
NEW QUESTION # 142
Which two are true about the Oracle Optimizer?
- A. It ignores stale object statistics in the Data Dictionary.
- B. It always generates an index access operation when a statement filters on an indexed column with an equality operator.
- C. It can automatically re-optimize execution plans that were detected to be sub-optimal when executing.
- D. It can re-write a statement internally in order to generate a more optimal plan.
- E. It requires system statistics when generating SQL execution plans.
Answer: C,D
NEW QUESTION # 143
Choose two. Which two are prerequisites for using FLASHBACK TABLE?
- A. Row Movement must be enabled on the table being flashed back.
- B. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the table owner.
- C. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the user performing the flashback.
- D. A table's constraints must be disabled before issuing the flashback.
- E. A table's indexes must be set to unusable before issuing the flashback.
Answer: A,C
NEW QUESTION # 144
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
3. PDB1 and PDB2 are open in read write mode.
You execute these commands successfully:
Which two are true?
- A. PDB1 is closed.
- B. CDB1 is in mount state
- C. Uncommitted transactions in PDB1 have been rolled back.
- D. CDB1 is shut down.
- E. Uncommitted transactions in CDB1 and pdbi have been rolled back.
Answer: B,E
NEW QUESTION # 145
Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?
- A. log writer performance
- B. database instance memory management and sizes
- C. database writer performance
- D. general operating system health
- E. SQL statements
Answer: B
NEW QUESTION # 146
Examine this configuration:
1. CDB1is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
2. PDB$SEEDis open READ ONLY
3. PDB1is open READ WRITE
4. PDB2 is MOUNTED.
5. ORACLE_HOMEis /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:
For which databases will fixup scripts be created?
- A. CDB1and PDB$SEEDonly
- B. CDB1, PDB$SEED, and PDB1 only
- C. CDB1, PDB$SEED, PDB1, and PDB2
- D. PDB$SEED, PDB1, and PDB2only
- E. CDB1, PDB1, and PDB2only
Answer: B
NEW QUESTION # 147
Examine these queries and their output:
An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?
- A. This cannot be done due to the lack of a clean restore point.
- B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
- C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
- D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
- E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
Answer: C
NEW QUESTION # 148
Which three activities are possible for PDBs? (Choose three.)
- A. converting an application container into another application container in the same CDB
- B. converting an application seed to an application PDB
- C. converting an application PDB to an application root
- D. converting an application PDB to a regular PDB
- E. converting a regular PDB to an application PDB
- F. converting an application PDB to an application seed
- G. converting an application container into another application container in a different CDB
Answer: A,D,E
NEW QUESTION # 149
Which three are true about a container database (CDB)?
- A. It contains predefined common roles in both the root and the seed.
- B. It can contain only one Application Container seed, which is created when the Application Container is created.
- C. It can contain only one PDB$SEED, which is created when the CDB is created.
- D. It can be created by cloning an existing CDB.
- E. It can be created from a non-CDB.
- F. It can have local users with the same name in different PDBs.
- G. It can have any number of pluggable databases (PDBs) limited only by space availability.
Answer: A,C,D
NEW QUESTION # 150
Examine this command for creating pluggable database PDB2 in container database CDB2 CREATE PLUGGABLE DATABASE pdb2 ADMIN USER pdb2_adrn IDENTIFIED BY 12 3pdb ROLES=(CONNECT) ; Select three options, any one of which is required for it to execute successfully.
- A. Add the file_name_convert clause to the statement and set the pdb_file_name_convert parameter.
- B. Add the file_mame_comvert clause to the statement and enable Oracle Managed Files (OMF).
- C. Set only the pdb_file_name_convert parameter.
- D. Set the pdb_file_name_convert parameter and enable OMF.
- E. Add only the create_file_dest clause to the statement.
- F. Enable only OMF.
Answer: A,B,D
NEW QUESTION # 151
Which two are true about the character sets used in an Oracle database? (Choose two.)
- A. Single-byte character sets provide better performance than multibyte character sets.
- B. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
- C. Single-byte character sets always use 7-bit encoding schemes.
- D. Multibyte character sets allow more efficient space utilization than single byte character sets.
- E. Unicode enables information from any language to be stored using a single character set.
- F. Single-byte character sets always use 8-bit encoding schemes.
Answer: A,E
NEW QUESTION # 152
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)
- A. cloning a remote pluggable database in silent mode
- B. cloning a remote container database in silent mode
- C. relocating a remote pluggable database in interactive mode
- D. relocating a remote pluggable database in silent mode
- E. relocating a remote container database in silent mode
- F. cloning a remote container database in interactive mode
- G. relocating a remote container database in interactive mode
Answer: B,C,D
NEW QUESTION # 153
Which two are true about RMAN Multisection backups when a very large data file is divided into four sections?
(Choose two.)
- A. The four sections can be created serially.
- B. The four sections can be created in parallel.
- C. The four sections must be image copies.
- D. Each of the file sections must be processed serially.
- E. The four sections must be contained in backup sets.
Answer: B,E
NEW QUESTION # 154
Choose two. Which two are true about an RPM-based Oracle Database installation?
- A. It uses a service configuration script to create a single-instance database as part of the installation.
- B. It requires an Unbreakable Linux Network (ULN) subscription.
- C. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.
- D. It includes the Oracle Preinstallation RPM.
- E. It performs a software-only Oracle Database installation.
Answer: C,E
NEW QUESTION # 155
Which three are true about Automatic Workload Repository (AWR) snapshots?
- A. They can be retained forever.
- B. They are always created manually.
- C. They are always created automatically.
- D. They are generated if STATISTICS LEVEL is set to TYPICAL.
- E. They are generated if STATISTICS LEVEL is set to ALL.
- F. They are generated if STATISTICS LEVEL is set to BASIC.
Answer: C,D,E
NEW QUESTION # 156
Which three are true about an application seed pluggable database (PDB)?
- A. It cannot be dropped from its application container.
- 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 upgraded.
- D. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
- E. It is automatically synchronized with its application root PDB when an application is installed.
- 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 is not required in an application container.
Answer: D,E,F
NEW QUESTION # 157
Which operating system group is NOT needed to perform an Oracle Database installation?
- A. OSOPER
- B. OSRACDBA
- C. OSASM
- D. OSKMDBA
- E. OSDBA
Answer: B
NEW QUESTION # 158
You want to duplicate one of your databases when connected to the target database and to the recovery catalog.
Which three are true about this type of database duplication?
- A. The target database must be in mount state.
- B. The target database must be open.
- C. The duplication process pushes image copies to the auxiliary instance.
- D. The duplication process can use existing backup sets or image copies.
- E. The duplication process pushes backup sets to the auxiliary instance.
- F. The duplication process can create backup sets or image copies.
Answer: A,B,E
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/rcmrf/DUPLICATE.html#GUID- E13D8A02-80F9-49A2-9C31-92DD3A795CE4
NEW QUESTION # 159
Which two are true about the execution of operating system scripts starting from Oracle Database 19c?
(Choose two.)
- A. The sudopassword can be specified in a response file.
- B. The rootpassword cannot be specified in a response file.
- C. orainstRoot.shcan be executed automatically by the Database installer by using sudoor root credentials.
- D. root.shcan be executed automatically by the Database Installer only if it is provided with root credentials.
- E. root.shcan be executed automatically by the Database installer only by using sudocredentials.
- F. The sudopassword must be specified in a response file.
Answer: B,C
Explanation:
Explanation
NEW QUESTION # 160
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