You find today’s performance of your production databas

单项选择题

You find today’s performance of your production database to be the best ever.
Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

A.A
B.B
C.C
D.D
E.E

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1Z0-042