What are the three size characteristics of 'Big Data'? Select THREE.
Answer(s): A,B,D
The Three Vs of Big Data are:Volume = Large sizeVariety = Different data types (text, images, etc.)Velocity = The speed at which data is generated
In Data Analytics, what is the term 'black swan' used to describe?
Answer(s): D
A black swan refers to false pattern recognition--when a pattern appears in data but does not actually exist.
Ramesh is Head of Procurement at Wiggle Waggle Ltd. He is using a tool for predictive modeling and statistical analysis to inform upon future strategic business decisions. Which of the following is he using?
Answer(s): A
Analytics predicts future trends using data. BI (Business Intelligence) focuses on past and present data but does not predict. Big Data is just large datasets, and Black Box refers to decision-making without transparency.
Which of the following are benefits of using smart sensors in a manufacturing factory? Select ALL that apply.
Answer(s): A,B,C,D
All options are correct. Smart sensors help in worker tracking, machine monitoring, forecasting, and stock control.
Unstructured data can be organized into semi-structured or structured data by using a short word or phrase to describe what is held in the digital file. What is this marker commonly known as?
Answer(s): B
A tag is a marker describing data, commonly used in social media and databases.
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