Textbook Quiz 06: Business
Intelligence: Big Data and Analytics
Due Jul 16 at 11:59pm
Points 20
Questions 20
Time Limit 30 Minutes
Attempt History
Attempt Time
LATEST Attempt 1 25 minutes
Correct answers are hidden.
Score for this quiz: 19 out of 20
Submitted Jul 2 at 11:31pm
This attempt took 25 minutes.
Question 1
pts
A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and
departments within large companies to support decision making.
data dictionary
, data model
data mart
data mine
Data marts bring the data warehouse concept—lots of data from many
sources—to small- and medium-sized businesses and to departments within
larger companies.
Rationale:
A data mart is a subset of a data warehouse. Data marts bring the data warehouse concept—lots of data
from many sources—to small- and medium-sized businesses and to departments within larger companies.
Rather than store all enterprise data in one monolithic database, data marts contain a subset of the data for
a single aspect of a company’s business—for example, finance, inventory, or personnel.
IncorrectQuestion 2
pts
A database system that stores the entire database in random access memory is known as a(n) _____.
relational database
HDFS database
in-memory database
NoSQL database
Rationale:
An in-memory database (IMDB) is a database management system that stores the entire database in
random access memory (RAM).
Question 3
pts
A hospital system that wants to utilize big data can use HIPAA regulations to help them _____.
identify which data needs to be protected from unauthorized access
find nuggets of data that are relevant to the decision making at hand
choose a subset of data to store
Intelligence: Big Data and Analytics
Due Jul 16 at 11:59pm
Points 20
Questions 20
Time Limit 30 Minutes
Attempt History
Attempt Time
LATEST Attempt 1 25 minutes
Correct answers are hidden.
Score for this quiz: 19 out of 20
Submitted Jul 2 at 11:31pm
This attempt took 25 minutes.
Question 1
pts
A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and
departments within large companies to support decision making.
data dictionary
, data model
data mart
data mine
Data marts bring the data warehouse concept—lots of data from many
sources—to small- and medium-sized businesses and to departments within
larger companies.
Rationale:
A data mart is a subset of a data warehouse. Data marts bring the data warehouse concept—lots of data
from many sources—to small- and medium-sized businesses and to departments within larger companies.
Rather than store all enterprise data in one monolithic database, data marts contain a subset of the data for
a single aspect of a company’s business—for example, finance, inventory, or personnel.
IncorrectQuestion 2
pts
A database system that stores the entire database in random access memory is known as a(n) _____.
relational database
HDFS database
in-memory database
NoSQL database
Rationale:
An in-memory database (IMDB) is a database management system that stores the entire database in
random access memory (RAM).
Question 3
pts
A hospital system that wants to utilize big data can use HIPAA regulations to help them _____.
identify which data needs to be protected from unauthorized access
find nuggets of data that are relevant to the decision making at hand
choose a subset of data to store
