ANSWERS GRADED A+ 100% VERIFIED.
What is Business Intelligence (BI)? ANS >> The use of data analysis
tools and techniques to extract actionable insights from
structured data
What does BI primarily focus on? ANS >> Analysing past and
present data to provide insights
What is the main purpose of Artificial Intelligence (AI)? ANS >> To
simulate human intelligence in machines
What type of analytics does BI usually deal with ANS >>
Descriptive analytics
What is one of the main differences between BI and AI? ANS >> BI
requires human intervention for data analysis
,What is Big Data? ANS >> Extremely large and complex datasets
that cannot be easily managed using traditional data processing
techniques
What are the three types of data? ANS >> Structured,
Unstructured, Semi-structured
What percentage of all data is unstructured? ANS >> 80%
What are the 'Four V's' of Big Data? ANS >> Volume, Velocity,
Variety, Veracity
What is the purpose of a data warehouse? ANS >> To consolidate
disparate data in a central location
What does ETL stand for? ANS >> Extract, Transform, Load
What is the first step in the ETL process? ANS >> Extract
What is Hadoop used for? ANS >> Storing and processing large
sets of data across multiple servers
, What is MapReduce? ANS >> The processing arm of Hadoop
What is data mining? ANS >> Examination of vast datasets to
discover patterns and connections
What are descriptive analytics? ANS >> Baseline analytics that
define past data
What is the purpose of data visualization? ANS >> Graphical
representation of data mining analytics and BI results
What is Tableau known for? ANS >> Its intuitive interface and
powerful visualization capabilities
What are dashboards used for? ANS >> Depicting specific data
analyses through visualization
What is Looker used for? ANS >> Data exploration and
visualization
Knowledge Check 12 ANS >>