【12c-062】OCP 062考试题库最新考试真题-第17题
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QUESTION 17
Which task would you recommend before using the Database Upgrade Assistant (DBUA) to
upgrade a single-instance Oracle 11g R2 database to Oracle Database 12c?
A. shutting down t he database instance that is being upgraded
B. executing the catctl.pl script to run t he upgrade processes in parallel
C. running the Pre-Upgrade Information Tool
D. copying the listener.ora file to the new ORACLE_HOME
Correct Answer: C