# Quiz 2

+ About`tiup cluster check`, what is the wrong description?
  + `A.`Can be used to detect if CPU and memory meet TiDB database deployment requirements
  + `B.`Can be used to detect whether operating system parameter meet TiDB database deployment requirements
  + `C.`TiDB database needs to be deployed before it can be used
  + `D.`Some configurations cannot be fixed through
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Reference answer: C