题目内容

21.BigDataischaracterizedbyallofthefollowingexcept______________.

A. verifiability
B. velocity
C. variety
D. volume

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22.AstudentbuyingabookatAmazon.comillustrateswhichofthefollowingcorebusinessprocesses?

A. time-to-purchase
B. order-to-cash
C. plan-to-produce
D. account-to-report
E. hire-to-retire

23.Taggingisadding______________tocontentsuchasmaps,pictures,orwebpages.

A. metadata
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A. adware
B. phishingmail
C. spam
D. aworm
E. aTrojanhorse

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A. rankenhancement
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D. Googlefooling