BUSINESS INTELLIGENCE FINAL
EXAM QUESTIONS WITH CORRECT
SOLUTIONS||100% GUARANTEED
PASS||UPDATED 2026/2027
SYLLABUS||<<RECENT VERSION>>
MapReduce can be easily understood by skilled programmers due to its procedural
nature. - ANSWER ✓ True
Hadoop was designed to handle petabytes and exabytes of data distributed over
multiple nodes in parallel. - ANSWER ✓ True
Hadoop and MapReduce require each other to work. - ANSWER ✓ False
In most cases, Hadoop is used to replace data warehouses. - ANSWER ✓ False
Despite their potential, many current NoSQL tools lack mature management and
monitoring tools. - ANSWER ✓ True
There is a clear difference between the type of information support provided by
influential users versus the others on Twitter. - ANSWER ✓ True
Social media mentions can be used to chart and predict flu outbreaks. - ANSWER
✓ True
In Application Case 7.6, Analyzing Disease Patterns from an Electronic Medical
Records Data Warehouse, it was found that urban individuals have a higher
number of diagnosed disease conditions. - ANSWER ✓ True
For low latency, interactive reports, a data warehouse is preferable to Hadoop. -
ANSWER ✓ True
,If you have many flexible programming languages running in parallel, Hadoop is
preferable to a data warehouse. - ANSWER ✓ True
In the Salesforce case study, streaming data is used to identify services that
customers use most. - ANSWER ✓ False
It is important for Big Data and self - ANSWER ✓ service business intelligence to
go hand in hand to get maximum value from analytics. - True
Big Data simplifies data governance issues, especially for global firms. -
ANSWER ✓ False
Current total storage capacity lags behind the digital information being generated
in the world. - ANSWER ✓ True
Using data to understand customers/clients and business operations to sustain and
foster growth and profitability is - ANSWER ✓ an increasingly challenging task
for today's enterprises.
A newly popular unit of data in the Big Data era is the petabyte (PB), which is -
ANSWER ✓ 1015 bytes
Which of the following sources is likely to produce Big Data the fastest? -
ANSWER ✓ RFID tags
Data flows can be highly inconsistent, with periodic peaks, making data loads hard
to manage. What is this feature of Big Data called? - ANSWER ✓ variability
In the Twitter case study, how did influential users support their tweets? -
ANSWER ✓ objective data
Allowing Big Data to be processed in memory and distributed across a dedicated
set of nodes can solve complex problems in near-real time with highly accurate
insights. What is this process called? - ANSWER ✓ in-memory analytics
Which Big Data approach promotes efficiency, lower cost, and better performance
by processing jobs in a shared, centrally managed pool of IT resources? -
ANSWER ✓ grid computing
, How does Hadoop work? - ANSWER ✓ It breaks up Big Data into multiple parts
so each part can be processed and analyzed at the same time on multiple
computers.
What is the Hadoop Distributed File System (HDFS) designed to handle? -
ANSWER ✓ unstructured and semistructured non-relational data
In a Hadoop "stack," what is a slave node? - ANSWER ✓ a node where data is
stored and processed
In a Hadoop "stack," what node periodically replicates and stores data from the
Name Node should it fail? - ANSWER ✓ secondary node
All of the following statements about MapReduce are true EXCEPT - ANSWER
✓ MapReduce runs without fault tolerance.
In a network analysis, what connects nodes? - ANSWER ✓ edges
In the Analyzing Disease Patterns from an Electronic Medical Records Data
Warehouse case study, what was the analytic goal? - ANSWER ✓ determine
differences in rates of disease in urban and rural populations
Traditional data warehouses have not been able to keep up with - ANSWER ✓ the
variety and complexity of data.
Under which of the following requirements would it be more appropriate to use
Hadoop over a data warehouse? - ANSWER ✓ unrestricted, ungoverned sandbox
explorations
What is Big Data's relationship to the cloud? - ANSWER ✓ Amazon and Google
have working Hadoop cloud offerings.
Companies with the largest revenues from Big Data tend to be - ANSWER ✓ the
largest computer and IT services firms.
In the financial services industry, Big Data can be used to improve - ANSWER ✓
regulatory oversight & decision making (both A & B)
EXAM QUESTIONS WITH CORRECT
SOLUTIONS||100% GUARANTEED
PASS||UPDATED 2026/2027
SYLLABUS||<<RECENT VERSION>>
MapReduce can be easily understood by skilled programmers due to its procedural
nature. - ANSWER ✓ True
Hadoop was designed to handle petabytes and exabytes of data distributed over
multiple nodes in parallel. - ANSWER ✓ True
Hadoop and MapReduce require each other to work. - ANSWER ✓ False
In most cases, Hadoop is used to replace data warehouses. - ANSWER ✓ False
Despite their potential, many current NoSQL tools lack mature management and
monitoring tools. - ANSWER ✓ True
There is a clear difference between the type of information support provided by
influential users versus the others on Twitter. - ANSWER ✓ True
Social media mentions can be used to chart and predict flu outbreaks. - ANSWER
✓ True
In Application Case 7.6, Analyzing Disease Patterns from an Electronic Medical
Records Data Warehouse, it was found that urban individuals have a higher
number of diagnosed disease conditions. - ANSWER ✓ True
For low latency, interactive reports, a data warehouse is preferable to Hadoop. -
ANSWER ✓ True
,If you have many flexible programming languages running in parallel, Hadoop is
preferable to a data warehouse. - ANSWER ✓ True
In the Salesforce case study, streaming data is used to identify services that
customers use most. - ANSWER ✓ False
It is important for Big Data and self - ANSWER ✓ service business intelligence to
go hand in hand to get maximum value from analytics. - True
Big Data simplifies data governance issues, especially for global firms. -
ANSWER ✓ False
Current total storage capacity lags behind the digital information being generated
in the world. - ANSWER ✓ True
Using data to understand customers/clients and business operations to sustain and
foster growth and profitability is - ANSWER ✓ an increasingly challenging task
for today's enterprises.
A newly popular unit of data in the Big Data era is the petabyte (PB), which is -
ANSWER ✓ 1015 bytes
Which of the following sources is likely to produce Big Data the fastest? -
ANSWER ✓ RFID tags
Data flows can be highly inconsistent, with periodic peaks, making data loads hard
to manage. What is this feature of Big Data called? - ANSWER ✓ variability
In the Twitter case study, how did influential users support their tweets? -
ANSWER ✓ objective data
Allowing Big Data to be processed in memory and distributed across a dedicated
set of nodes can solve complex problems in near-real time with highly accurate
insights. What is this process called? - ANSWER ✓ in-memory analytics
Which Big Data approach promotes efficiency, lower cost, and better performance
by processing jobs in a shared, centrally managed pool of IT resources? -
ANSWER ✓ grid computing
, How does Hadoop work? - ANSWER ✓ It breaks up Big Data into multiple parts
so each part can be processed and analyzed at the same time on multiple
computers.
What is the Hadoop Distributed File System (HDFS) designed to handle? -
ANSWER ✓ unstructured and semistructured non-relational data
In a Hadoop "stack," what is a slave node? - ANSWER ✓ a node where data is
stored and processed
In a Hadoop "stack," what node periodically replicates and stores data from the
Name Node should it fail? - ANSWER ✓ secondary node
All of the following statements about MapReduce are true EXCEPT - ANSWER
✓ MapReduce runs without fault tolerance.
In a network analysis, what connects nodes? - ANSWER ✓ edges
In the Analyzing Disease Patterns from an Electronic Medical Records Data
Warehouse case study, what was the analytic goal? - ANSWER ✓ determine
differences in rates of disease in urban and rural populations
Traditional data warehouses have not been able to keep up with - ANSWER ✓ the
variety and complexity of data.
Under which of the following requirements would it be more appropriate to use
Hadoop over a data warehouse? - ANSWER ✓ unrestricted, ungoverned sandbox
explorations
What is Big Data's relationship to the cloud? - ANSWER ✓ Amazon and Google
have working Hadoop cloud offerings.
Companies with the largest revenues from Big Data tend to be - ANSWER ✓ the
largest computer and IT services firms.
In the financial services industry, Big Data can be used to improve - ANSWER ✓
regulatory oversight & decision making (both A & B)
