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Ch. 5,6,7,8 Multiple Choice

Terms in this set (80)

What types of documents are BEST suited to semantic labeling and aggregation to determine sentiment orientation?
small- to medium-sized documents
What is one major way in which Web-based social media differs from traditional publishing media?
They have different costs to own and operate.
In sentiment analysis, which of the following is an implicit opinion?
The customer service I got for my TV was laughable.
In the research literature case study, the researchers analyzing academic papers extracted information from which source?
the paper abstrac
Breaking up a Web page into its components to identify worthy words/terms and indexing them using a set of rules is called
parsing the documents.
What does advanced analytics for social media do?
It examines the content of online conversations.
Web site usability may be rated poor if
Web site visitors download few of your offered PDFs and videos
Understanding which keywords your users enter to reach your Web site through a search engine can help you understand
how well visitors understand your products.
Search engine optimization (SEO) is a means by which
Web site developers can increase Web site search rankings
All of the following are challenges associated with natural language processing EXCEPT
dividing up a text into individual words in English.
In the opening vignette, the architectural system that supported Watson used all the following elements EXCEPT
a core engine that could operate seamlessly in another domain without changes.
What are the two main types of Web analytics?
off-site and on-site Web analytics
Which of the following statements about Web site conversion statistics is FALSE?
Visitors who begin a purchase on most Web sites must complete it.
In text mining, tokenizing is the process of
categorizing a block of text in a sentence.
In text analysis, what is a lexicon?
a catalog of words, their synonyms, and their meanings
Natural language processing (NLP) is associated with which of the following areas?
all of these
Sentiment analysis projects require a lexicon for use. If a project in English is undertaken, you must generally make sure to
use an English lexicon appropriate to the project at your discretion.
In the Wimbledon case study, the tournament used data for each match in real time to highlight
significant events.
What do voice of the market (VOM) applications of sentiment analysis do?
They examine customer sentiment at the aggregate level.
What does Web content mining involve?
analyzing the unstructured content of Web pages
Intermediate result variables reflect intermediate outcomes in
mathematical models.
This method calculates the values of the inputs necessary to achieve a desired level of an output.
goal seek
Which of the following is NOT a characteristic displayed by a LP allocation problem?
The problem is not bound by constraints.
A decision tree can be cumbersome if there are
many alternatives.
If a simulation result does NOT match the intuition or judgment of the decision maker, what can occur?
confidence gap
This method calculates the values of the inputs necessary to generate a zero profit outcome.
goal seek
When the decision maker knows exactly what the outcome of each course of action will be, this is decision making under
certainty.
When the decision maker must consider several possible outcomes for each alternative, each with a given probability of occurrence, this is decision making under
risk.
Which of the following is NOT an assumption used by a LP allocation problem?
Total returns cannot be compared
A more general form of an influence diagram is called a(n)
cognitive map.
Which of the following is the order of simulation methodology?
Define the problem, Construct the simulation model, Test and validate the model, Design the experiment, Conduct the experiment, Evaluate the results, Implement the results.
Which of the following is NOT a characteristic displayed by a LP allocation problem?
There is a single way in which the resources can be used.
Which of the following is NOT an assumption used by a LP allocation problem?
All data are unknown with decision making under uncertainty.
The most common method for solving a risk analysis problem is to select the alternative with the
greatest expected value.
A(n) ________ is a graphical representation of a model.
influence diagram
A(n) ________ spreadsheet model represents behavior over time.
dynamic
Which of the following is NOT a component of a quantitative model?
classes
Important spreadsheet features for modeling include all of the following EXCEPT
pivot tables
What type of VIM models display a visual image of the result of one decision alternative at a time?
static
Which of the following is NOT a disadvantage of a simulation?
Simulation is often the only DSS modeling method that can readily handle relatively unstructured problems.
Traditional data warehouses have not been able to keep up with
the variety and complexity of data.
In a Hadoop "stack," what node periodically replicates and stores data from the Name Node should it fail?
secondary node
In a Hadoop "stack," what is a slave node?
a node where data is stored and processed
Which Big Data approach promotes efficiency, lower cost, and better performance by processing jobs in a shared, centrally managed pool of IT resources?
grid computing
In a network analysis, what connects nodes?
edges
A newly popular unit of data in the Big Data era is the petabyte (PB), which is
1015 bytes
In the Analyzing Disease Patterns from an Electronic Medical Records Data Warehouse case study, what was the analytic goal?
determine differences in rates of disease in urban and rural populations
Under which of the following requirements would it be more appropriate to use Hadoop over a data warehouse?
unrestricted, ungoverned sandbox explorations
In the Twitter case study, how did influential users support their tweets?
objective data
Companies with the largest revenues from Big Data tend to be
the largest computer and IT services firms.
In the financial services industry, Big Data can be used to improve
both A & B.
What is the Hadoop Distributed File System (HDFS) designed to handle?
unstructured and semistructured non-relational data
Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called?
variability
Using data to understand customers/clients and business operations to sustain and foster growth and profitability is
an increasingly challenging task for today's enterprises.
What is Big Data's relationship to the cloud?
Amazon and Google have working Hadoop cloud offerings.
Allowing Big Data to be processed in memory and distributed across a dedicated set of nodes can solve complex problems in near-real time with highly accurate insights. What is this process called?
in-memory analytics
In the Alternative Data for Market Analysis or Forecasts case study, satellite data was NOT used for
monitoring individual customer patterns.
How does Hadoop work?
It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on multiple computers.
Which of the following sources is likely to produce Big Data the fastest?
RFID tags
All of the following statements about MapReduce are true EXCEPT
MapReduce runs without fault tolerance.
Which of the following is true about the furtherance of homeland security?
There is a greater need for oversight.
What new geometric data type in Teradata's data warehouse captures geospatial features?
ST_GEOMETRY
Which of the following is true of data-as-a-Service (DaaS) platforms?
There are standardized processes for accessing data wherever it is located.
The portion of the IoT technology infrastructure that focuses on controlling what and how information is captured is
applications.
Smartbin has developed trash containers that include sensors to detect
fill levels.
GPS Navigation is an example of which kind of location-based analytics?
consumer-oriented geospatial static approach
What kind of location-based analytics is a real-time marketing promotion?
organization-oriented location-based dynamic approach
Why is separating the impact of analytics from that of other computerized systems a difficult task?
The trend is toward integrating systems.
Services that let consumers permanently enter a profile of information along with a password and use this information repeatedly to access services at multiple sites are called
single-sign-on facilities.
The portion of the IoT technology infrastructure that focuses on the sensors themselves is
hardware.
The portion of the IoT technology infrastructure that focuses on how to transmit data is
connectivity.
Using this model, companies can deploy their software and applications in the cloud so that their customers can use them.
PaaS
Which of these is NOT a part of the IoT technology infrastructure?
electrical access
Today, most smartphones are equipped with various instruments to measure jerk, orientation, and sense motion. One of these instruments is an accelerometer, and the other is a(n)
gyroscope.
Why are companies like IBM shifting to provide more services and consulting?
Customers see that significant value can be created with the application of analytics, and need help completing these tasks.
This model began with the notion that data quality could happen in a centralized place, cleansing and enriching data and offering it to different systems, applications, or users, irrespective of where they were in the organization, computers, or on the network.
DaaS
This model allows consumers to use applications and software that run on distant computers in the cloud infrastructure.
SaaS
The portion of the IoT technology infrastructure that focuses on how to manage incoming data and analyze it is
software backend.
Which of the following allows companies to deploy their software and applications in the cloud so that their customers can use them?
PaaS
In this model, infrastructure resources like networks, storage, servers, and other computing resources are provided to client companies.
IaaS
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