D491 Data Analytics WGU UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Alpine Miner - CORRECT ANSWER - Provides GUI for creating workflows
SAS/ACCESS - CORRECT ANSWER - Provides integration between SAS and analytics
sandbox
What phase in the data analytics lifecycle involves the Analytic Sandbox? - CORRECT
ANSWER - Data Preparation
What phase in the DA lifecycle consist of clarifying, conditioning and becoming familiar with
the data? - CORRECT ANSWER - Data Preparation
After collecting datasets what is a useful step to examine the data quality? - CORRECT
ANSWER - Survery and data visualization
What phase is the Apline Miner tool used? - CORRECT ANSWER - Data Preparation
What is the Hadoop tool used for in the Data Preparation phase? - CORRECT ANSWER -
Perform parallel analysis for web traffic parsing, GPS location, and combining unstructured data
feeds from multiple sources.
OpenRefine - CORRECT ANSWER - Free, open source tool for working with messy data
What is the interactive tool used for data cleaning and transformation? - CORRECT
ANSWER - Data Wrangler
, Who assists the team in the Data Preparation phase? - CORRECT ANSWER - IT,
Database Administrators, or whoever controls enterprise data warehouse.
What phase do you work with the analytics sandbox ? - CORRECT ANSWER - Data
Preparation phase
What is the data preparation phase for? - CORRECT ANSWER - To gather enough good
quality data and understand the data.
What is the model planning phase? - CORRECT ANSWER - During this phase you
identify potential models to apply to the data.
What are common tools for the model planning phase? - CORRECT ANSWER - (3) R,
SQL, SAS/ACCESS
What is the Execution phase? - CORRECT ANSWER - The phase that involves
developing data sets to train and test.
What type of tools are used during the execution phase? - CORRECT ANSWER -
Programming tools (I.e. SAS enterprise miner, SPSS modeler, MatLab, Alpine Miner, R, Python,
SQL)
What is the communication phase for? - CORRECT ANSWER - This phase is where the
team compares the outcome to the criteria established at the beginning.
What phase is the project determined a fail or success? - CORRECT ANSWER -
Communication phase
What is the operationalize phase? - CORRECT ANSWER - In this phase, the benefits of
the project will be shared widely and a pilot project will deploy on a wide scale.
ACTUAL Exam Questions and CORRECT
Answers
Alpine Miner - CORRECT ANSWER - Provides GUI for creating workflows
SAS/ACCESS - CORRECT ANSWER - Provides integration between SAS and analytics
sandbox
What phase in the data analytics lifecycle involves the Analytic Sandbox? - CORRECT
ANSWER - Data Preparation
What phase in the DA lifecycle consist of clarifying, conditioning and becoming familiar with
the data? - CORRECT ANSWER - Data Preparation
After collecting datasets what is a useful step to examine the data quality? - CORRECT
ANSWER - Survery and data visualization
What phase is the Apline Miner tool used? - CORRECT ANSWER - Data Preparation
What is the Hadoop tool used for in the Data Preparation phase? - CORRECT ANSWER -
Perform parallel analysis for web traffic parsing, GPS location, and combining unstructured data
feeds from multiple sources.
OpenRefine - CORRECT ANSWER - Free, open source tool for working with messy data
What is the interactive tool used for data cleaning and transformation? - CORRECT
ANSWER - Data Wrangler
, Who assists the team in the Data Preparation phase? - CORRECT ANSWER - IT,
Database Administrators, or whoever controls enterprise data warehouse.
What phase do you work with the analytics sandbox ? - CORRECT ANSWER - Data
Preparation phase
What is the data preparation phase for? - CORRECT ANSWER - To gather enough good
quality data and understand the data.
What is the model planning phase? - CORRECT ANSWER - During this phase you
identify potential models to apply to the data.
What are common tools for the model planning phase? - CORRECT ANSWER - (3) R,
SQL, SAS/ACCESS
What is the Execution phase? - CORRECT ANSWER - The phase that involves
developing data sets to train and test.
What type of tools are used during the execution phase? - CORRECT ANSWER -
Programming tools (I.e. SAS enterprise miner, SPSS modeler, MatLab, Alpine Miner, R, Python,
SQL)
What is the communication phase for? - CORRECT ANSWER - This phase is where the
team compares the outcome to the criteria established at the beginning.
What phase is the project determined a fail or success? - CORRECT ANSWER -
Communication phase
What is the operationalize phase? - CORRECT ANSWER - In this phase, the benefits of
the project will be shared widely and a pilot project will deploy on a wide scale.
