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Google Cloud Certified Professional Data Engineer · Google Cloud
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Just a regular Spark. B
C. I think it should be C because intent of asking question is to realize the problem of on-prem auto-scaling not the optimization that we achieve using spark in-memory features. Its GCP exam they want to highlight if hadoop cluster commodity hard doesn't increase when data increases then it can create problem unlike GCP. Hence migrate to GCP.
None. Being a GCP exam, it must be either Dataflow or BigQuery :D