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Actual exam question from Oracle's 1z0-497
Question #: 1
Topic #: 1
[All 1z0-497 Questions]

Which statement about CDB architecture is true?

  • A. Oracle-supplied metadata resides only in the root container.
  • B. A seed PDB can sometimes be opened for particular operations.
  • C. Multiple PDBs with the same name can reside in the same CDB.
  • D. A CDB can have an infinite number of PDBs.
  • E. You can create common users in PDBs.
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Suggested Answer: A 🗳️
References:
by subtype11 at Jan. 28, 2023, 10:38 a.m.

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subtype11
2 years ago
A: In the Oracle Database architecture, a CDB (Container Database) is a collection of one or more PDBs (Pluggable Databases). The CDB contains a root container, which holds the Oracle-supplied metadata for the entire CDB, and one or more PDBs, which are user-created and hold the application-specific data. Because the Oracle-supplied metadata is specific to the entire CDB, it is stored in the root container, which is the only place it can reside. The other options in the question are not necessarily true.
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