What is signified by the “variability” characteristic of big data?

Posted by: Pdfprep Category: E05-001 Tags: , ,

What is signified by the “variability” characteristic of big data?
A . Meaning of the data changes constantly
B . Data is generated in different formats by numerous sources
C . Data change rate affects its timely analysis
D . Varying data quality affects its reliability and accuracy

Answer: A