ISDS 351 Diba Final CSUF UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Big Data - CORRECT ANSWER - data collections that are so enormous (terabytes or
more) and complex (from sensor data to social media data) that traditional data management
software, hardware, and analysis processes are incapable of dealing with them.
Data Lake - CORRECT ANSWER - A "store everything" approach to big data that saves
all the data in its raw and unaltered form
Data Warehouse - - CORRECT ANSWER - A large database that holds business
information from many sources in the enterprise, covering all aspects of the company's
processes, products, and customers
Extract Transform Load (ETL) Process - CORRECT ANSWER - A data handling process
that takes data from a variety of sources, edits and transforms it into the format used in the data
warehouse, and then loads this data into the warehouse.
Data Mart - CORRECT ANSWER - A subset of a data warehouse that is used by small-
and medium-sized businesses and departments within large companies to support decision
making.
NoSQL Database - CORRECT ANSWER - A way to store and retrieve data that is
modeled using some means other than the simple two-dimensional tabular relations used in
relational databases.
Hadoop - CORRECT ANSWER - An open-source software framework including several
software modules that provide a means for storing and processing extremely large data sets.
, Hadoop Distributed File System (HDFS) - CORRECT ANSWER - A system used for data
storage that divides the data into subsets and distributes the subsets onto different servers for
processing.
MapReduce Program - CORRECT ANSWER - A composite program that consists of a
Map procedure that performs filtering and sorting and a Reduce method that performs a
summary operation.
In-Memory Database (IMDB) - CORRECT ANSWER - A database management system
that stores the entire database in random access memory (RAM).
Business Intelligence - CORRECT ANSWER - A wide range of applications, practices,
and technologies for the extraction, transformation, integration, visualization, analysis,
interpretation, and presentation of data to support improved decision making.
Analytics - CORRECT ANSWER - The extensive use of data and quantitative analysis to
support fact-based decision making within organizations.
Data Scientist - CORRECT ANSWER - An individual who combines strong business
acumen, a deep understanding of analytics, and a healthy appreciation of the limitations of data,
tools, and techniques to deliver real improvements in decision making.
Descriptive Analysis - CORRECT ANSWER - A preliminary data processing stage used
to identify patterns in the data and answer questions about who, what, where, when, and to what
extent.
Visual Analysis - CORRECT ANSWER - The presentation of data in a pictorial or
graphical format
Word Cloud - CORRECT ANSWER - A visual depiction of a set of words that have been
grouped together because of the frequency of their occurrence.
ACTUAL Exam Questions and CORRECT
Answers
Big Data - CORRECT ANSWER - data collections that are so enormous (terabytes or
more) and complex (from sensor data to social media data) that traditional data management
software, hardware, and analysis processes are incapable of dealing with them.
Data Lake - CORRECT ANSWER - A "store everything" approach to big data that saves
all the data in its raw and unaltered form
Data Warehouse - - CORRECT ANSWER - A large database that holds business
information from many sources in the enterprise, covering all aspects of the company's
processes, products, and customers
Extract Transform Load (ETL) Process - CORRECT ANSWER - A data handling process
that takes data from a variety of sources, edits and transforms it into the format used in the data
warehouse, and then loads this data into the warehouse.
Data Mart - CORRECT ANSWER - A subset of a data warehouse that is used by small-
and medium-sized businesses and departments within large companies to support decision
making.
NoSQL Database - CORRECT ANSWER - A way to store and retrieve data that is
modeled using some means other than the simple two-dimensional tabular relations used in
relational databases.
Hadoop - CORRECT ANSWER - An open-source software framework including several
software modules that provide a means for storing and processing extremely large data sets.
, Hadoop Distributed File System (HDFS) - CORRECT ANSWER - A system used for data
storage that divides the data into subsets and distributes the subsets onto different servers for
processing.
MapReduce Program - CORRECT ANSWER - A composite program that consists of a
Map procedure that performs filtering and sorting and a Reduce method that performs a
summary operation.
In-Memory Database (IMDB) - CORRECT ANSWER - A database management system
that stores the entire database in random access memory (RAM).
Business Intelligence - CORRECT ANSWER - A wide range of applications, practices,
and technologies for the extraction, transformation, integration, visualization, analysis,
interpretation, and presentation of data to support improved decision making.
Analytics - CORRECT ANSWER - The extensive use of data and quantitative analysis to
support fact-based decision making within organizations.
Data Scientist - CORRECT ANSWER - An individual who combines strong business
acumen, a deep understanding of analytics, and a healthy appreciation of the limitations of data,
tools, and techniques to deliver real improvements in decision making.
Descriptive Analysis - CORRECT ANSWER - A preliminary data processing stage used
to identify patterns in the data and answer questions about who, what, where, when, and to what
extent.
Visual Analysis - CORRECT ANSWER - The presentation of data in a pictorial or
graphical format
Word Cloud - CORRECT ANSWER - A visual depiction of a set of words that have been
grouped together because of the frequency of their occurrence.
