1 answer published. Last candidate submission on Jul 3 2026, 1:34am PDT. Interview question asked to Data Scientists interviewing at Canva, Hootsuite, Samsung and other companies. Original question asked: How do you ensure data correctness and validate data quality when working with massive datasets?. Question last reported by a candidate interviewing at Bitdefender for a Data Scientist interview on May 31 2026, 8:55am PDT.