[Nov-2021] Valid Way To Pass Oracle Exam Dumps with 1Z0-083 Exam Study Guide
All 1Z0-083 Dumps and Oracle Database Administration II Training Courses Help candidates to study and pass the Exams hassle-free!
Oracle 1Z0-083 Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 4 |
|
| Topic 5 |
|
| Topic 6 |
|
| Topic 7 |
|
| Topic 8 |
|
| Topic 9 |
|
| Topic 10 |
|
NEW QUESTION 74
Examine this configuration:
1. CDB1 is a container database.
2. COMMON_USER_PREFIX is set to an empty string.
3. PDB1 is a pluggable database in CDB1.
4. APP1_ROOT is an application container in CDB1.
5. APP1_PDB1 is an application PDB in APP1_ROOT.
You execute these commands:
$ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba
SQL> CREATE ROLE role1 CONTAINER=CURRENT;
What is true?
- A. ROLE1 will be created only in CDB$ROOT.
- B. It will return an error because common roles must start with C##.
- C. It will return an error because creation of a local role is not allowed in CDB$ROOT.
- D. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.
- E. ROLE1 will be created only in CDB$ROOT and APP1_ROOT.
Answer: A
NEW QUESTION 75
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$SESSION
- B. V$SESSTAT
- C. V$SESSION_WAIT
- D. V$SESSION_WAIT_CLASS
- E. V$SESSION_EVENT
Answer: E
Explanation:
Reference:
https://docs.oracle.com/cd/E29597_01/server.1111/e16638/instance_tune.htm
NEW QUESTION 76
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?
- A. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- B. These backups can be written to disk or SBT.
- C. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- D. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- E. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
Answer: C,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?
- A. The spfile is included in the self-contained archival backup.
- B. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
- C. The restore point is a label for the system change number (SCN) before the archival backup was taken.
- 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 control file is included in the self-contained archival backup.
- F. All archive logs created after this backup are kept for two years.
Answer: A,E,F
NEW QUESTION 78
Which two are true about RMAN encryption? (Choose two.)
- A. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
- B. RMAN encryption keys are stored in a database keystore.
- C. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.
- D. RMAN can encrypt the Oracle Database password file.
- E. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.
Answer: A,C
Explanation:
Reference:
https://docs.oracle.com/database/121/BRADV/rcmconfa.htm#BRADV89476
NEW QUESTION 79
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It is part of the DBMS_ADVISOR package.
- B. It is part of the DBMS_STATS package.
- C. It can recommend changes to improve the statistics gathering process.
- D. It always analyzes all schemas in the database.
- E. It runs automatically every night by default.
- F. It can be run only manually.
Answer: B,C,F
Explanation:
https://mikedietrichde.com/2017/08/22/oracle-optimizer-statistics-advisor-in-oracle-database-12-2-0-1/
https://www.oracle.com/technetwork/database/bi-datawarehousing/twp-bp-for-stats-gather-19c-5324205.pdf Reference:
https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2
NEW QUESTION 80
A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The local_undo_enabled database property is set to false in the CDB.
Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the backup database command while connected to CDB$ROOT.
Which three are true?
- A. Data file 24 can be recovered while connected to PDB2.
- B. Data file 24 can be restored only while connected to PDB2.
- C. Data file 24 can be restored and recovered while connected to CDB$ROOT.
- D. Data file 24 can be recovered only while connected to PDB2.
- E. Data file 24 can be restored only while connected to CDB$ROOT.
- F. Data file 24 can be recovered while connected to CDB$ROOT.
Answer: A,C,F
NEW QUESTION 81
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?
(Choose two.)
- A. A failure can be closed only when it has been repaired.
- B. Data Recovery Advisor can be used if a database is closed.
- 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. Using the Data Recovery Advisor LIST FAILUREcommand always requires that the database for which failures are to be listed is in MOUNTstate.
Answer: C,D
Explanation:
Explanation/Reference:
NEW QUESTION 82
Which four are true about RMAN backup sets? (Choose four.)
- A. Blocks from multiple data files can be contained in one backup piece,
- B. Blocks from multiple data files can be contained in one backup set,
- C. A data file canbe split into multiple sections stored in different backup pieces in the same backup set.
- D. A data file can be split into multiple sections stored in different backup sets.
- E. A backup set must be written to media.
- F. A backup set can contain only one backup piece.
- G. A backup set must be written to disk.
- H. A backup piece can belong to only one backup set.
Answer: B,D,E,F
NEW QUESTION 83
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)
- A. Flashback logs are monitored for being older than the retentionperiod defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
- B. Flashback logs areautomatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
- C. Flashback logs are automatically purged whenever the value of
DB_FLASHBACK_RETENTION_TARGET is changed. - D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
- E. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
Answer: C,D
NEW QUESTION 84
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)
- A. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- B. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- C. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
- D. These backups can be written to disk or SBT.
- E. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
Answer: C,D
Explanation:
Explanation
https://blog.toadworld.com/rman_-_using_the_flash_recovery_area
NEW QUESTION 85
A database is configured in ARCHIVELOG mode.
A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred.
In which two scenarios is incomplete recovery required? (Choose two.)
- A. after losing all copies of the control file
- B. after losing all members of an INACTIVE online redo log group
- C. after losing all members of the CURRENT online redo log group
- D. after losing an UNDO tablespace that is in use
- E. after losing a SYSAUX tablespace data file
Answer: A,C
NEW QUESTION 86
Which two are true about RMAN encryption? (Choose two.)
- A. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
- B. RMAN encryption keys are stored in a database keystore.
- C. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.
- D. RMAN can encrypt the Oracle Database password file.
- E. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.
Answer: A,C
NEW QUESTION 87
Which three are true about managing memory components in an Oracle database instance? (Choose three.)
- A. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
- B. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
- C. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
- D. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
- E. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
- F. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
Answer: A,E,F
NEW QUESTION 88
Which three are true in Oracle 19c and later releases? (Choose three.)
- A. Tablespaces never remain in read/write mode during transportable tablespace operations.
- B. A transportable data pump import can leave a plugged-in tablespace in read/write mode.
- C. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
- D. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.
- E. Tablespaces always remain in read/write mode during transportable tablespace operations.
- F. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
Answer: B,D,E
NEW QUESTION 89
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 SQL Access Advisor.
- C. Run the SQL Tuning Advisor.
- D. Run the Memory Advisor for the System Global Area.
- E. Run the Memory Advisor for the shared pool.
Answer: D
NEW QUESTION 90
Which three are true about Database Point-in-Time Recovery?
- A. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
- B. The database must be open resetlogs after Database Point-in-Time Recovery.
- C. The target point for the recovery must be specified as a time or System Change Number (SCN).
- D. The database must be in mount state when performing Database Point-in-Time Recovery.
- E. The database must have flashback database on to perform Database Point-in-Time Recovery.
- F. The database must be in archivelog mode.
Answer: C,D,E
NEW QUESTION 91
A database is configured in ARCHIVELOG mode.
Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred.
In which two scenarios is complete recovery possible? (Choose two.)
- A. after losing an archived log from before the most recent backup
- B. when any archived log from, before, or after the most recent backup is corrupt.
- C. after losing an archived log from after the most recent backup
- D. after losing all copies of the control file
- E. after losing the SYSTEM tablespace
Answer: A,B
NEW QUESTION 92
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 Tunning Advisor.
- B. Run the Memory Advisor for the Program Global Area.
- C. Run the SQL Access Advisor.
- D. Run the Memory Advisor for the shared pool.
- E. Run the Memory Advisor for the System Global Area.
Answer: D
NEW QUESTION 93
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:
# id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall) , 54322(dba) Which two are true?
- A. oracle must be the owner of every Oracle Database installation.
- B. oracle will be granted the sysasm privilege when installing the Oracle Database software.
- C. oracle will be an owner of the Oracle Inventory.
- D. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
- E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
Answer: D,E
NEW QUESTION 94
Which three are true in Oracle 19c and later releases? (Choose three.)
- A. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.
- B. If the password file location changes, then the new location is used automatically by the Oracle Server.
- C. Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.
- D. Unified Auditing can be configured to audit only events that are issued directly by an audited user.
- E. Schema Only accounts can be granted administrator privileges.
- F. All the Oracle-supplied accounts are Schema Only accounts.
Answer: C,E,F
Explanation:
Reference:
https://mandysandhu.com/2018/04/30/oracle-database-18c-schema-only-accounts/
NEW QUESTION 95
Which two are true about Oracle Flashback features? (Choose two.)
- A. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.
- B. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- C. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
- D. FLASHBACK DROP can undrop an index when undropping a table.
- E. FLASHBACK TABLE can undrop a column.
Answer: A,D
NEW QUESTION 96
Which three are true? (Choose three.)
- A. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
- B. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.
- C. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
- D. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.
- E. Application-common TSDP policies are always container specific.
- F. Unified auditing can be automatically synchronized to all application PDBs in an application container.
- G. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
Answer: D,E,F
NEW QUESTION 97
......
Real Exam Questions & Answers - Oracle 1Z0-083 Dump is Ready: https://drive.google.com/open?id=1WvAQV6bRfAhl2RBvt7qH7SBoNLpBQjdo
Get Latest [Nov-2021] Conduct effective penetration tests using Actual4Cert 1Z0-083: https://www.actual4cert.com/1Z0-083-real-questions.html