Correct Answer
verified
Multiple Choice
A) centralized storage creates too many vulnerabilities.
B) the "Big" in Big Data necessitates over 10,000 processing nodes.
C) the processing power needed for the centralized model would overload a single computer.
D) Big Data systems have to match the geographical spread of social media.
Correct Answer
verified
Short Answer
Correct Answer
verified
Multiple Choice
A) end-user ad hoc reports,queries,and analysis.
B) transaction processing systems that constantly update operational databases.
C) the collection of reputable sources of intelligence.
D) transactions such as ATM withdrawals,where we need to reduce a bank balance accordingly.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) the increasing divide between users who focus on the strategic level and those who are more oriented to the tactical level
B) the need to create a database infrastructure that is always online and contains all the information from the OLTP systems
C) the more pressing need to close the gap between the operational data and strategic objectives
D) the fact that BI cannot simply be a technical exercise for the information systems department
Correct Answer
verified
Short Answer
Correct Answer
verified
Short Answer
Correct Answer
verified
True/False
Correct Answer
verified
True/False
Correct Answer
verified
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