Section A

RetailX, a fast-fashion retailer, is implementing a Big Data analytics system to analyze customer purchasing patterns from social media, in-store sensors, and online transactions.

Which TWO of the following represent the 'Variety' and 'Velocity' characteristics of Big Data in this context?

Answer options:

The system processes real-time footfall data from in-store sensors.

The database stores over 50 petabytes of historical sales information.

The data includes unstructured social media posts, structured transaction logs, and video feeds.

The analytics engine ensures that the data is accurate and free from inconsistencies.

How to approach this question

Recall the 4 Vs of Big Data: Volume, Velocity, Variety, and Veracity. Match the definitions to the scenarios.

Full Answer

Big Data is characterized by the 4 Vs. 'Variety' refers to the different forms of data (structured, unstructured, semi-structured). 'Velocity' refers to the speed at which data is generated, captured, and shared.

Common mistakes

Confusing Volume (size) with Velocity (speed).

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