WorksheetsData Roles and Big Data Fundamentals Quiz
Total questions: 20
Worksheet time: 3mins
Siapa pemain dalam tim data yang bertugas sebagai "Defender" (menjaga infrastruktur)?
Data Scientist
Data Engineer
Data Analyst
AI Engineer
Menurut aturan "The 80/20 Rule", aktivitas apa yang memakan waktu 80% (paling lama)?
AI modeling
Presentations
Data cleaning
Data collection
If data is crude oil, what is the 'gasoline'?
Raw data
Insight
Database
Excel
What percentage of the world's data volume is unstructured?
20%
50%
80%
95%
In the 5V principle, what is the term for the speed of data growth?
Volume
Variety
Velocity
Veracity
The principle 'input trash = output trash' is known as what?
Data is Oil
GIGO
80/20 Rule
Data Journey
What is the first step in a Data Analytics Framework?
Data cleaning
Data collection
Business understanding
Data visualization
A Data Scientist primarily focuses on which time frame?
Past
Present
Future
Vacation time
Which file format is ideal for Big Data because it is columnar?
Excel
CSV
Parquet
JSON
Which is an example of semi-structured data?
SQL tables
JSON/XML
TikTok video
Audio recording
Which DIKW pyramid level answers the question 'Why is'?
Data
Information
Knowledge
Wisdom
What is the main challenge for an AI Engineer in real industry practice?
Only building models
Making slide decks
Building integrated systems
Studying mathematics
Which combination correctly represents the 5Vs of Big Data?
Volume, Velocity, Variety, Veracity, Value
Volume, Victory, Variety, Veracity, Value
Volume, Velocity, Vision
Volume, Velocity, Version
What is the primary output of a Data Engineer?
Dashboards
Predictive models
Pipelines and warehouses
Reports
What is the main goal of Credit Scoring AI in fintech?
Calculating discounts
Predicting default risk
Finding a match
Creating content
A Data Analyst focuses analysis on which time frame?
Future
Past and present
Only the past
Prehistoric times
What does 'Veracity' mean in the 5V concept of Big Data?
Speed of data
Diversity of data
Accuracy of data
Economic value
Why is a Monthly Bill of -$19.99 considered an error?
Too cheap
Invalid (negative)
It is colored red
Typo
What is the industry-standard framework for the data mining process?
National privacy law
GDPR
CRISP-DM
Waterfall
What does the principle GIGO stand for?
Good In, Good Out
Garbage In, Garbage Out
Go In, Go Out
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