OCP Core Administration And Cdb Pdb Architecture Practice Question
Which THREE components are shared between a CDB and its PDBs?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Background processes
The SGA, background processes, and redo logs are shared.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Undo tablespace
Why it's wrong here
Undo can be local or shared, but is not always shared.
- ✗
Datafiles
Why it's wrong here
Datafiles are PDB-specific.
- ✓
Background processes
Why this is correct
Processes are shared at the instance level.
- ✓
Redo log files
Why this is correct
Redo is shared by the whole CDB.
- ✓
SGA
Why this is correct
SGA is shared across containers.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Oracle exam blueprint
This OCP practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the OCP exam.