1Z0-497 Question #150: Real Exam Question with Answer & Explanation

The correct answer is B. Although consolidated into a single physical database, PDBs mimic the behavior of non-CDBs. D. It is easier to collect performance metrics for many databases in a CDB than individual non-CDB. B: A PDB is a portable collection of schemas, schema objects, and non schema objects that appears to an Oracle Net client as a non-CDB. All Oracle databases before Oracle Database 12c D: Ease of performance tuning - It is easier to collect performance metrics for a single databas

Question

Which two statements about multitenant architecture are true?

Options

AMultiple PDBs on a single server need multiple database instances and multiple sets of database
BAlthough consolidated into a single physical database, PDBs mimic the behavior of non-CDBs.
CA PDB administrator can use Oracle Flashback or point-in-time recovery to retrieve lost data from a
DIt is easier to collect performance metrics for many databases in a CDB than individual non-CDB
EIt takes more time to apply a patch to one CDB that holds hundreds of PDBs than to hundreds of

Explanation

B: A PDB is a portable collection of schemas, schema objects, and non schema objects that appears to an Oracle Net client as a non-CDB. All Oracle databases before Oracle Database 12c D: Ease of performance tuning - It is easier to collect performance metrics for a single database than for multiple databases. It is easier to size one SGA than 100 SGAs.

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