1)Filter stage is used to transform (not modify) records from the input link based on a specific condition
2)Different criteria/requirements can be specified to direct data to different output links from the Filter stage.
3)This processing stage can have a single input link and any number of output links. It can also, optionally, have a reject link.
4)Switch stage supports only 128 output links whereas Filter stage can have any number of output links
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