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CS 1032 Ch8 Exam With 100% Correct And Verified Answers
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CS 1032 Ch8 Exam With 100% Correct And Verified Answers
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CS 1032 Ch8 Exam With 100% CorrectAnd Verified Answers
Operational data is generally not immediately suitable for a
data warehouse due to all of the following factors
except_________.
A.lack of integration
B.too few attributes
C.missing values
D.dirty data
E.wrong granularity - Correct Answer-B
Operational data is likely to have too many attributes, not
too few attributes.
The total amount of data that will be generated by 2020 is
estimated to be _______________.
A.40 petabytes
B.44 gigabytes
C.5 yottabytes
D.4 exabytes
E.44 zettabytes - Correct Answer-E
If you are collecting data electronically and processing the
transaction online, then you are using a(n)
_______________.
A.database management system (DBMS)
B.data warehouse
C.online analytical processing (OLAP) system
D.data-mining system
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, E.online transaction processing (OLTP) system - Correct
Answer-E
If transactions are entered and processed immediately upon
entry, then the system is operating in
______________________.
A.real time
B.batch mode
C.online mode
D.unprotected mode
E.transaction time - Correct Answer-A
Which of the following is not used to produce business
intelligence through reporting applications?
A.Calculating
B.retracting
C.Grouping
D.Filtering
E.Sorting - Correct Answer-B
Reporting applications produce business intelligence using
five basic operations: Sorting, Filtering, Grouping,
Calculating, and Formatting.
________ encapsulate the knowledge of human experts in the
form of if-then rules.
A.CRM systems
B.Data-mining systems
C.Business intelligence applications
D.Expert systems
E.Reporting systems - Correct Answer-D
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