Download Oracle Database Administration II.VCEplus.1z0-083.2020-04-15.1e.85q.vcex
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| Exam | Oracle Database Administration II |
| Number | 1z0-083 |
| File Name | Oracle Database Administration II.VCEplus.1z0-083.2020-04-15.1e.85q.vcex |
| Size | 1.33 Mb |
| Posted | April 15, 2020 |
| Downloads | 303 |
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Demo Questions
Question 1
Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)
- A: All metrics are instance related.
- B: Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
- C: A space usage management alert is automatically cleared after the underlying problem is resolved.
- D: They are generated by SMON when a tablespace is 97% full.
- E: Metrics are statistical counts for a specific unit.
- F: STATISTICS_LEVEL must be set to ALL to generate alerts.
Question 2
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)
- A: Increase the size of tape I/O buffers.
- B: Disable FORCE LOGGING for the database.
- C: Increase the size of the database buffer cache.
- D: Enable asynchronous disk I/O.
- E: Increase the level of RMAN multiplexing.
Question 3
For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)
- A: to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
- B: to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB
- C: to include specific user tablespaces only when relocating a PDB
- D: to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- E: to exclude a temp tablespace when plugging in a PDB
- F: to specify the list of tablespaces to include when creating a PDB from the CDB seed
Question 4
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
- A: FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
- B: FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
- C: FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
- D: FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
- E: FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time.
- F: FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
Question 5
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 oracle OS user
- C: creating the OSDBA (dba) group
- D: creating thte oraInventory (oinstall) group
- E: creating the grid OS user
- F: configuring the OS for Oracle Automatic Storage Management shared storage access
Question 6
Which two are true about common objects? (Choose two.)
- A: They can be created only in CDB$ROOT.
- B: They can be only metadata-linked in an application container.
- C: They can exist in user-defined schemas only in application containers.
- D: They can exist in CDB$ROOT and an application root.
- E: They can be extended data-linked in CDB$ROOT.
- F: They can be created only in an application root.
Question 7
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
- A: It analyzes a period of time corresponding to the 12 hours of activity.
- B: It runs automatically after each AWR snapshot.
- C: A DBA can run it manually.
- D: Results are written to the alert log.
- E: It analyzes a period of time corresponding to the last day of activity.
Question 8
Which two are true about server-generated alerts? (Choose two.)
- A: Stateful alerts must be created by a DBA after resolving the problem.
- B: Stateless alerts can be purged manually from the alert history.
- C: Stateless alerts can be cleared manually.
- D: Stateless alerts are automatically cleared.
- E: Stateful alerts are purged automatically from the alert history.
Question 9
Which three are located by using environment variables? (Choose three.)
- A: the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
- B: the location of Oracle Net Services configuration files
- C: the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
- D: default directories for temporary files used by temporary tablespaces
- E: the temporary disk space used by Oracle Installer during installation
- F: the maximum number of database files that can be opened by a database instance
Question 10
Which three are true about opatchauto? (Choose three.)
- A: It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.
- B: It must be invoked by a user with root user privileges.
- C: Patches are applied via opatchauto.
- D: Users must always input patch plans to opatchauto.
- E: It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
- F: It applies patches in nonrolling mode by default.
- G: It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
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