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ITSS 4351.501. Exam 2 || Already Passed.
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Using data to understand customers/clients and business operations to sustain and foster growth and profitability is A. easier with the advent of BI and Big Data. B. now completely automated with no human intervention required. C. essentially the same now as it has always been. D. an increasing...

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  • August 23, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • using data to understand customersclients and bus

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  • ITSS 4351.501. E
  • ITSS 4351.501. E

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ITSS 4351.501. Exam 2 || Already Passed.
Using data to understand customers/clients and business operations to sustain and foster growth
and profitability is
A. easier with the advent of BI and Big Data.
B. now completely automated with no human intervention required.
C. essentially the same now as it has always been.
D. an increasingly challenging task for today's enterprises. correct answers D. an increasingly
challenging task for today's enterprises.

Which of the following sources is likely to produce Big Data the fastest?
A.online customers
B.RFID tags
C.cashiers
D.order entry clerks correct answers B.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?
A.periodicity
B.volatility
C.inconsistency
D.variability correct answers D.variability

How does Hadoop work?
A.It integrates Big Data into a whole so large data elements can be processed as a whole on
multiple computers
B.It breaks up Big Data into multiple parts so each part can be processed and analyzed at the
same time on multiple computers.
C.It integrates Big Data into a whole so large data elements can be processed as a whole on one
computer.
D.It breaks up Big Data into multiple parts so each part can be processed and analyzed at the
same time on one computer. correct answers B.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?
A.unstructured and semistructured non-relational data
B.structured and semistructured relational data
C.structured and semistructured non-relational data
D.unstructured and semistructured relational data correct answers A.unstructured and
semistructured non-relational data

***In a Hadoop "stack," what node periodically replicates and stores data from the Name Node
should it fail?
A.slave node
B.secondary node
C.backup node

, D.substitute node correct answers B.secondary node

All of the following statements about MapReduce are true EXCEPT
A.MapReduce runs without fault tolerance
B.MapReduce handles parallel programming.
C.MapReduce is a general-purpose execution engine.
D.MapReduce handles the complexities of network communication. correct answers
A.MapReduce runs without fault tolerance

Traditional data warehouses have not been able to keep up with
A.OLAP.
B.expert systems that run on them.
C.the evolution of the SQL language.
D.the variety and complexity of data. correct answers D.the variety and complexity of data.

Companies with the largest revenues from Big Data tend to be
A.non-U.S. Big Data firms
B.pure open source Big Data firms.
C.small computer and IT services firms.
D.the largest computer and IT services firms. correct answers D.the largest computer and IT
services firms.

Big Data is being driven by the exponential growth, availability, and use of information.
True
False correct answers True

Quiz 2: Programs with the ability to learn and reason to implement intelligent tasks.
A.Artificial Intelligence
B.Deep Learning
C.Supervised Learning
D.Machine Learning correct answers A.Artificial Intelligence

Algorithms with the ability to learn without being explicitly programmed by converting inputs to
outputs.
A.Machine Learning
B.Artificial Intelligence
C.Deep Learning
D.UnSupervised Learning correct answers A.Machine Learning

Artificial neural networks adapt and learn from vast amounts of data.
A.Deep Learning
B.Artificial Intelligence
C.Machine Learning
D.Re-enforced Learning correct answers A.Deep Learning

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