ACCA Applied Knowledge · Business and Technology · Financial systems and technology
A retailer collects millions of customer transactions, social media comments and sensor readings from stores, arriving rapidly in many formats. Which description of these characteristics best fits big data?
Volume, velocity and variety best describe big data. The retailer has very large amounts of data, generated rapidly, in many different formats such as transactions, comments and sensor readings. The other options describe qualities of good information or systems rather than big data features.
- AVolume, velocity and varietyCorrect
- BAccuracy, timeliness and completeness
- CRelevance, cost and clarity
- DReliability, security and availability
Explanation
Big data is commonly characterised by the three Vs: volume (large amounts), velocity (speed of generation) and variety (different formats). The other options list qualities of good information or system attributes rather than defining characteristics of big data.
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