MISY 160 Exam 3 University of Delaware with all
Correct & 100% Verified Answers| Updated to Pass
What does a software developer do? ✔Correct Answer-Develop applications
Skill software developer needs to have ✔Correct Answer-Understanding progragramming
languages and databases
What does a data analyst do? ✔Correct Answer-Look at data to find meaning to solve real business
problems
Skill data analysts need to have ✔Correct Answer-Analytical skills
What does a database administrator do? ✔Correct Answer-Architecting how data is shared
What does a quality assurance analyst do? ✔Correct Answer-Finding problems within the
applications, testing the applications to find problems - what the system is supposed to accomplish
What does a business analyst do? ✔Correct Answer-Understanding what the business is trying to
accomplish, the processes, the stakeholders, the goals, and the current system
What does a project manager do? ✔Correct Answer-Managing people, keeping track of schedules,
communicating risks
Big data ✔Correct Answer-Massive amounts of data
How to classify as big data ✔Correct Answer-5 Vs: Volume, Velocity, Variety, Veracity, and Value
Velocity ✔Correct Answer-Big data is generated at a very high speed
Various data types ✔Correct Answer-Structured, semi-structured, unstructured data
Example of structured data ✔Correct Answer-Excel records
Example of semi-structured data ✔Correct Answer-Log files
Example of unstructured data ✔Correct Answer-X-ray images
Veracity ✔Correct Answer-Accuracy and trustworthiness of the data
Value ✔Correct Answer-The benefit from analyzing the data
Frameworks to store and process big data ✔Correct Answer-Cassandra, Hadoop, Spark
How Hadoop distributed file systems ✔Correct Answer-File is broken into smaller chunks, making
copies of them, and storing them in various machines
What Map Reduce is ✔Correct Answer-Doing parallel processing: Lengthy task is broken into
smaller tasks, one machine takes up one task, multiple machines complete
Correct & 100% Verified Answers| Updated to Pass
What does a software developer do? ✔Correct Answer-Develop applications
Skill software developer needs to have ✔Correct Answer-Understanding progragramming
languages and databases
What does a data analyst do? ✔Correct Answer-Look at data to find meaning to solve real business
problems
Skill data analysts need to have ✔Correct Answer-Analytical skills
What does a database administrator do? ✔Correct Answer-Architecting how data is shared
What does a quality assurance analyst do? ✔Correct Answer-Finding problems within the
applications, testing the applications to find problems - what the system is supposed to accomplish
What does a business analyst do? ✔Correct Answer-Understanding what the business is trying to
accomplish, the processes, the stakeholders, the goals, and the current system
What does a project manager do? ✔Correct Answer-Managing people, keeping track of schedules,
communicating risks
Big data ✔Correct Answer-Massive amounts of data
How to classify as big data ✔Correct Answer-5 Vs: Volume, Velocity, Variety, Veracity, and Value
Velocity ✔Correct Answer-Big data is generated at a very high speed
Various data types ✔Correct Answer-Structured, semi-structured, unstructured data
Example of structured data ✔Correct Answer-Excel records
Example of semi-structured data ✔Correct Answer-Log files
Example of unstructured data ✔Correct Answer-X-ray images
Veracity ✔Correct Answer-Accuracy and trustworthiness of the data
Value ✔Correct Answer-The benefit from analyzing the data
Frameworks to store and process big data ✔Correct Answer-Cassandra, Hadoop, Spark
How Hadoop distributed file systems ✔Correct Answer-File is broken into smaller chunks, making
copies of them, and storing them in various machines
What Map Reduce is ✔Correct Answer-Doing parallel processing: Lengthy task is broken into
smaller tasks, one machine takes up one task, multiple machines complete
