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You want to upgrade an Oracle Database running Oracle Database 11g to Oracle Database 12c.
Which three tasks should be performed before a manual upgrade?

A.
running preupgrad.sql in Oracle Database 11g to generate fix-up scripts and a log file

B.
running utlu121s.sql from the new Oracle home to display information about the required initialization
parameters

C.
copying the initialization parameter file to the new Oracle home

D.
copying the password file to the new Oracle home

E.
copying net configuration files to the new Oracle home

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