INTRODUCTION TO ANALYTICS D491
PRE-ASSESSMENT REVIEW EXAM
QUESTIONS AND ANSWERS
Which stakeholder has access to essential tables or storage systems and
guarantees the highest levels of security in the data repository?
Data analyst
Data engineer
Data scientist
Database administrator - ANSWER-Database administrator
Why is it significant to establish failure criteria for a data analytics project in the
discovery phase?
It ensures that the project team will reach its goals.
It helps the team determine when it is best to accept the conclusions.
It provides a best-case scenario approach.
It guides the team in identifying the main objectives of the project. - ANSWER-It
helps the team determine when it is best to accept the conclusions
Which stakeholder extracts and transforms data during the discovery phase?
Data engineer
Data scientist
Database administrator
Business intelligence analyst - ANSWER-Data engineer
A person has been assigned to manage a project to implement a company-wide
customer relationship management (CRM) system. The CRM system aims to
centralize customer details, automate sales processes, and improve customer
service.What skills are crucial for the project team members working on the CRM
system implementation?
Data analysis, system integration, and training
Graphic design, social media marketing, and content creation
Financial forecasting, budgeting, and cost analysis
Network troubleshooting, hardware maintenance, and software installation -
ANSWER-Data analysis, system integration, and training
Why is formulating an initial hypothesis an integral part of the discovery phase of the
data analytics lifecycle?
It guarantees accurate predictions and outcomes from the data.
It guides the subsequent data collection, processing, and analysis activities.
It guarantees that the final results will support the initial hypothesis.
, It allows the team to use specific algorithms for analysis. - ANSWER-It guides the
subsequent data collection, processing, and analysis activities.
Who should be included as stakeholders in an analytics project?
Anyone who will benefit from the project
Anyone who has relevant skills
Anyone who is available to participate
Anyone who is a manager in the organization - ANSWER-Anyone who will benefit
from the project
Who offers suggestions on ideas to test as the team formulates hypotheses during
the discovery phase of a data analytics project?
Data scientists
Data visualization specialists
Project managers
Marketing experts - ANSWER-Data scientists
Which activity occurs during the data preparation phase of the data analytics
lifecycle?
Discovery of data
Modeling of data
Collection of data
Understanding of data - ANSWER-Understanding of data
Which data visualization is most suitable for understanding the trend and
progression of a variable over time in the data preparation phase?
Histograms
Scatter plots
Box plots
Line charts - ANSWER-Line charts
Which task is commonly performed to identify and address data quality issues during
the data preparation phase?
Performing data deduplication
Developing data visualization
Conducting data profiling
Executing data integration - ANSWER-Conducting data profiling
Which job position is primarily responsible for designing and constructing data
pipelines within the field of data analytics?
Data analyst
Data scientist
Data administrator
Data engineer - ANSWER-Data engineer
PRE-ASSESSMENT REVIEW EXAM
QUESTIONS AND ANSWERS
Which stakeholder has access to essential tables or storage systems and
guarantees the highest levels of security in the data repository?
Data analyst
Data engineer
Data scientist
Database administrator - ANSWER-Database administrator
Why is it significant to establish failure criteria for a data analytics project in the
discovery phase?
It ensures that the project team will reach its goals.
It helps the team determine when it is best to accept the conclusions.
It provides a best-case scenario approach.
It guides the team in identifying the main objectives of the project. - ANSWER-It
helps the team determine when it is best to accept the conclusions
Which stakeholder extracts and transforms data during the discovery phase?
Data engineer
Data scientist
Database administrator
Business intelligence analyst - ANSWER-Data engineer
A person has been assigned to manage a project to implement a company-wide
customer relationship management (CRM) system. The CRM system aims to
centralize customer details, automate sales processes, and improve customer
service.What skills are crucial for the project team members working on the CRM
system implementation?
Data analysis, system integration, and training
Graphic design, social media marketing, and content creation
Financial forecasting, budgeting, and cost analysis
Network troubleshooting, hardware maintenance, and software installation -
ANSWER-Data analysis, system integration, and training
Why is formulating an initial hypothesis an integral part of the discovery phase of the
data analytics lifecycle?
It guarantees accurate predictions and outcomes from the data.
It guides the subsequent data collection, processing, and analysis activities.
It guarantees that the final results will support the initial hypothesis.
, It allows the team to use specific algorithms for analysis. - ANSWER-It guides the
subsequent data collection, processing, and analysis activities.
Who should be included as stakeholders in an analytics project?
Anyone who will benefit from the project
Anyone who has relevant skills
Anyone who is available to participate
Anyone who is a manager in the organization - ANSWER-Anyone who will benefit
from the project
Who offers suggestions on ideas to test as the team formulates hypotheses during
the discovery phase of a data analytics project?
Data scientists
Data visualization specialists
Project managers
Marketing experts - ANSWER-Data scientists
Which activity occurs during the data preparation phase of the data analytics
lifecycle?
Discovery of data
Modeling of data
Collection of data
Understanding of data - ANSWER-Understanding of data
Which data visualization is most suitable for understanding the trend and
progression of a variable over time in the data preparation phase?
Histograms
Scatter plots
Box plots
Line charts - ANSWER-Line charts
Which task is commonly performed to identify and address data quality issues during
the data preparation phase?
Performing data deduplication
Developing data visualization
Conducting data profiling
Executing data integration - ANSWER-Conducting data profiling
Which job position is primarily responsible for designing and constructing data
pipelines within the field of data analytics?
Data analyst
Data scientist
Data administrator
Data engineer - ANSWER-Data engineer
