ExpertEasy2 marksMultiple Choice
ACCA · Question 1 · Information, technologies and systems
Section A
A global logistics NGO uses Big Data analytics to optimize its disaster relief supply chains. The data includes real-time GPS coordinates, unstructured social media distress signals, and historical weather patterns.
Which TWO of the following characteristics of Big Data are most directly illustrated by the inclusion of unstructured social media signals and real-time GPS updates?
Section A
A global logistics NGO uses Big Data analytics to optimize its disaster relief supply chains. The data includes real-time GPS coordinates, unstructured social media distress signals, and historical weather patterns.
Which TWO of the following characteristics of Big Data are most directly illustrated by the inclusion of unstructured social media signals and real-time GPS updates?
Answer options:
A.
Volume
B.
Variety
C.
Velocity
D.
Veracity
How to approach this question
Recall the 4 Vs of Big Data. Match 'unstructured' to Variety and 'real-time' to Velocity.
Full Answer
Big Data is often defined by the 4 Vs: Volume, Velocity, Variety, and Veracity. Unstructured social media data represents 'Variety' (different formats), while real-time GPS updates represent 'Velocity' (speed of data generation and processing).
Common mistakes
Students often confuse Veracity with Variety when dealing with social media data.
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