# Quiz

+ What are the following statements about the MPP architecture that are incorrect?
  + `A` . The intermediate results of the.MPP architecture are in memory
  + `B` . MPP architecture works with data on TiKV and TiFlash
  + `C` . MPP architecture does not currently support non-equivalent joins
  + `D` . MPP architecture accelerates operations such as aggregations and JOINs

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Reference answer: B