General
4 Questions
Study Guide: This page shows the correct answers and explanations for all questions in this topic.
Review these to understand the key concepts.
Question:
What memory structure caches the data dictionary providing access to all database user processes?
Correct Answer: D
- D. The Shared Pool
Explanation
D .True. The Shared Pool caches data dictionary metadata (e.g., table definitions) in the Library Cache and Dictionary Cache, accessible to all processes. Others serve different purposes (e.g., Large Pool for backups).
Question:
Which resource plan is used to manage the resources for the predefined maintenance window?
Correct Answer: A
- A. By default, all predefined maintenance windows use the DEFAULT_MAINTENANCE_PLANresource plan, and automated maintenance tasks run under subplan called ORA$AUTOTASK.
Explanation
A .True. Oracle 23ai uses DEFAULT_MAINTENANCE_PLAN with ORA$AUTOTASK subplan for maintenance tasks (e.g., stats gathering). Others are incorrect or speculative.
Question:
Which two statements are true about database instances and Real Application Clusters (RAC)?
Correct Answer: B,D
- B. A RAC database can have one instance.
- D. A RAC database can have instances on separate servers.
Explanation
A .False. RAC can run with one instance (degraded mode). B .True. Possible, though not typical for RAC. C .False. No minimum of three. D .True. RAC instances run on separate nodes. E .False. Instances are DB -specific in RAC.
Question:
Which three statements are true about Enterprise Manager Cloud Control?
Correct Answer: A,B,C
- A. It is integrated with My Oracle Support.
- B. It provides management for Oracle-engineered systems.
- C. It provides management for Oracle middleware.
Explanation
A .True. Integrates with MOS for patches and support. B .True. Manages Exadata, etc. C .True. Covers WebLogic and other middleware. D .False. Web-based, but not built into the DB. E .False. Can manage stopped instances via agents.