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Oracle 1z0-083 Exam Practice Questions (P. 2)

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Question #6
Which two are true about common objects? (Choose two.)
  1. A
    They can be created only in CDB$ROOT.
  2. B
    They can be only metadata-linked in an application container.
  3. C
    They can exist in user-defined schemas only in application containers.
  4. D
    They can exist in CDB$ROOT and an application root.
  5. E
    They can be extended data-linked in CDB$ROOT.
  6. F
    They can be created only in an application root.

Correct Answer:
EF
Reference:
https://blog.toadworld.com/2017/08/01/oracle-multi-tenant-application-containers-part-iii-sharing-of-data-in-application-common-objects

Question #7
Which two are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)
  1. A
    It analyzes a period of time corresponding to the 12 hours of activity.
  2. B
    It runs automatically after each AWR snapshot.
  3. C
    A DBA can run it manually.
  4. D
    Results are written to the alert log.
  5. E
    It analyzes a period of time corresponding to the last day of activity.

Correct Answer:
BD
chatbot-img GPT-4o - Answer
Regarding the Automatic Database Diagnostic Monitor (ADDM), it does run automatically after each AWR snapshot, confirming option B as correct. This execution is dependent on the STATISTICS_LEVEL parameter set to either TYPICAL or ALL. However, there’s a correction needed for D. ADDM findings are stored in the AWR, specifically in the database, not in the alert log as previously noted. This fact makes option D incorrect, and suggests option C could be true, acknowledging that DBAs can indeed initiate ADDM analysis manually to extend analysis periods.

Question #8
Which two are true about server-generated alerts? (Choose two.)
  1. A
    Stateful alerts must be created by a DBA after resolving the problem.
  2. B
    Stateless alerts can be purged manually from the alert history.
  3. C
    Stateless alerts can be cleared manually.
  4. D
    Stateless alerts are automatically cleared.
  5. E
    Stateful alerts are purged automatically from the alert history.

Correct Answer:
AC
Reference:
https://jameshuangsj.wordpress.com/2019/12/01/clears-stateless-alerts-in-oem-by-using-emcli/

Question #9
Which three are located by using environment variables? (Choose three.)
  1. A
    the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.
  2. B
    the location of Oracle Net Services configuration files
  3. C
    the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup
  4. D
    default directories for temporary files used by temporary tablespaces
  5. E
    the temporary disk space used by Oracle Installer during installation
  6. F
    the maximum number of database files that can be opened by a database instance

Correct Answer:
BDF
chatbot-img GPT-4o - Answer
In the context of the Oracle environment, the environmental variables TNS_ADMIN, TMP, and TEMP are instrumental. The TNS_ADMIN is crucial as it dictates the location of Oracle Net Services configuration files. On the other hand, TMP and TEMP variables specify directories used for temporary storage during Oracle installations, but not for temporary files used by tablespaces. Hence, choices B, E as indicated in the question are governed by environment variables, aligning with standard Oracle configuration practices. However, it's important to recognize that while D and F, as stated, do not utilize environment variables but rather initialization parameters. This discrepancy suggests that the originally marked choices might not all be accurate, pointing towards B and E as the correct responses grounded in environmental variables.

Question #10
Which three are true about opatchauto? (Choose three.)
  1. 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.
  2. B
    It must be invoked by a user with root user privileges.
  3. C
    Patches are applied via opatchauto.
  4. D
    Users must always input patch plans to opatchauto.
  5. E
    It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
  6. F
    It applies patches in nonrolling mode by default.
  7. G
    It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.

Correct Answer:
BCE
chatbot-img GPT-4o - Answer
For the opatchauto tool in Oracle, it requires execution by a user with root privileges to manage comprehensive service processes. Root access ensures that it can fully manage Oracle services for correctly applying patches across the system. Additionally, it's essential to halt the Oracle Grid Infrastructure and Oracle Database instances entirely before invoking opatchauto to ensure consistent application environments and prevent data corruption. This control over service states and user permissions aligns opatchauto as a critical system-level management tool.

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