Core Administration And Cdb Pdb Architecture →hardMultiple ChoiceObjective-mapped

OCP Core Administration And Cdb Pdb Architecture Practice Question

You are migrating a non-CDB database to a PDB in a 23ai CDB using the remote cloning method. Which condition must be met for the non-CDB to be successfully plugged in?

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

✓

The non-CDB must be in READ ONLY mode

When plugging in a non-CDB, it must be opened in READ ONLY mode to ensure consistency during the cloning process, and the non-CDB must be at a version compatible with the CDB.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
The non-CDB must be in READ ONLY mode
Why this is correct
A non-CDB must be opened READ ONLY to allow the CDB to perform the metadata copy.
✗
The non-CDB must be in MOUNTED state
Why it's wrong here
The non-CDB must be open to perform the necessary dictionary exports.
✗
The non-CDB must be in ARCHIVELOG mode
Why it's wrong here
While recommended, it is not a technical requirement for the cloning metadata extraction.
✗
The non-CDB must have an identical DBID to the CDB
Why it's wrong here
The DBID must be unique for each database in the container architecture.

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Written and reviewed by Johnson Ajibi, MSc IT Security

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Last reviewed August 2026 · checked against the official Oracle exam blueprint

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