ACTUAL Questions and CORRECT
Answers
Web-based e-mail such as Google's Gmail are not examples of cloud computing. -
CORRECT ANSWER- ✔✔False
In the Quiznos case, the company employed location-based behavioral targeting to narrow the
characteristics of users who were most likely to eat at a quick-service restaurant. -
CORRECT ANSWER- ✔✔True
From massive amounts of high-dimensional location data, algorithms that reduce the
dimensionality of the data can be used to uncover trends, meaning, and relationships to
eventually produce human-understandable representations. - CORRECT ANSWER- ✔✔True
Simulation is normally used only when a problem is too complex to be treated using
numerical optimization techniques. - CORRECT ANSWER- ✔✔True
A decision table shows the relationships of the problem graphically and can handle complex
situations in a compact form. - CORRECT ANSWER- ✔✔False
A model builder makes predictions and assumptions regarding input data, many of which deal
with the assessment of certain futures. - CORRECT ANSWER- ✔✔False
A more general form of an influence diagram is called a(n) - CORRECT ANSWER-
✔✔cognitive map
Every LP model has some internal intermediate variables that are not explicitly stated. -
CORRECT ANSWER- ✔✔True
Spreadsheets are clearly the most popular developer modeling tool. - CORRECT ANSWER-
✔✔False
,In decision making under uncertainty, it is assumed that complete knowledge is available. -
CORRECT ANSWER- ✔✔False
By using ________, businesses can collect and analyze data to discern large-scale patterns of
movement and identify distinct classes of behaviors in specific contexts. - CORRECT
ANSWER- ✔✔location-enabled services
In-motion ________ is often overlooked today in the world of BI and Big Data. - CORRECT
ANSWER- ✔✔analytics
________ bring together hardware and software in a physical unit that is not only fast but
also scalable on an as-needed basis. - CORRECT ANSWER- ✔✔Appliances
HBase is a nonrelational ________ that allows for low-latency, quick lookups in Hadoop. -
CORRECT ANSWER- ✔✔database
In open-source databases, the most important performance enhancement to date is the cost-
based ________. - CORRECT ANSWER- ✔✔optimizer
A(n) ________ is one or more Web pages that provide a collection of links to authoritative
Web pages. - CORRECT ANSWER- ✔✔crawlers/spiders hub
Text analytics is the subset of text mining that handles information retrieval and extraction,
plus data mining. - CORRECT ANSWER- ✔✔False
Categorization and clustering of documents during text mining differ only in the preselection
of categories. - CORRECT ANSWER- ✔✔True
Articles and auxiliary verbs are assigned little value in text mining and are usually filtered
out. - CORRECT ANSWER- ✔✔True
In the car insurance case study, text mining was used to identify auto features that caused
injuries. - CORRECT ANSWER- ✔✔False
, Regional accents present challenges for natural language processing. - CORRECT
ANSWER- ✔✔True
In the Tito's Vodka case study, trends in cocktails were studied to create a quarterly recipe for
customers. - CORRECT ANSWER- ✔✔True
In the Wimbledon case study, designers balanced the needs of mobile and desktop computer
users. - CORRECT ANSWER- ✔✔True
In text mining, if an association between two concepts has 7% support, it means that 7% of
the documents had both concepts represented in the same document. - CORRECT ANSWER-
✔✔True
In sentiment analysis, sentiment suggests a transient, temporary opinion reflective of one's
feelings. - CORRECT ANSWER- ✔✔False
Current use of sentiment analysis in voice of the customer applications allows companies to
change their products or services in real time in response to customer sentiment. - CORRECT
ANSWER- ✔✔True
In sentiment analysis, it is hard to classify some subjects such as news as good or bad, but
easier to classify others, e.g., movie reviews, in the same way. - CORRECT ANSWER-
✔✔True
Search engines are only used in the context of the World Wide Web (WWW). - CORRECT
ANSWER- ✔✔False
Search engine optimization (SEO) techniques play a minor role in a Web site's search ranking
because only well-written content matters. - CORRECT ANSWER- ✔✔False
Clickstream analysis does not need users to enter their perceptions of the Web site or other
feedback directly to be useful in determining their preferences. - CORRECT ANSWER-
✔✔True