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DSS Final
Chris MD
Quiz by Chris MD, updated more than 1 year ago
Chris MD
Created by Chris MD over 8 years ago
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Question 1

Question
In the extremist groups case study, what approach is used to discover the ideology and fund raising of extremist groups through their Web sites?
Answer
  • content analysis
  • hyperlink analysis
  • e-mail responses to questions sent to the sites
  • physical visits to addresses on the site

Question 2

Question
Search engines do not search the entire Web every time a user makes a search request, for all the following reasons EXCEPT
Answer
  • most users are not interested in searching the entire Web.
  • the Web is too complex to be searched each time.
  • it would take longer than the user could wait.

Question 3

Question
Breaking up a Web page into its components to identify worthy words/terms and indexing them using a set of rules is called
Answer
  • parsing the documents.
  • creating the term-by-document matrix.
  • preprocessing the documents.
  • document analysis.

Question 4

Question
PageRank for Webpages is useful to Web developers for which of the following reasons?
Answer
  • It gives developers insight into Web user behavior.
  • It is used in citation analysis for scholarly papers.
  • Developing many Web pages with low PageRank can help a Web site attract users.
  • They uniquely identify the Web page developer for greater accountability.

Question 5

Question
Search engine optimization (SEO) is a means by which
Answer
  • Web site developers can increase Web site search rankings.
  • Web site developers can negotiate better deals for paid ads.
  • Web site developers index their Web sites for search engines.
  • Web site developers optimize the artistic features of their Web sites.

Question 6

Question
In general, what is the best kind of Web traffic to a Web site?
Answer
  • organic Web traffic
  • European Web traffic
  • paid Web traffic
  • bot-generated traffic

Question 7

Question
Clickstream analysis is most likely to be used for all the following types of applications EXCEPT
Answer
  • determining the lifetime value of clients.
  • hiring new functional area managers.
  • designing cross-marketing strategies across products.
  • predicting user behavior.

Question 8

Question
What are the two main types of Web analytics?
Answer
  • off-site and on-site Web analytics
  • old-school and new-school Web analytics
  • Bing and Google Web analytics
  • data-based and subjective Web analytics

Question 9

Question
Web site usability may be rated poor if
Answer
  • Web site visitors download few of your offered PDFs and videos.
  • the average number of page views on your Web site is large.
  • the time spent on your Web site is long.
  • users fail to click on all pages equally.

Question 10

Question
Common sources of traffic to your Web site include all of the following EXCEPT
Answer
  • accidental visitors.
  • paid search from search engines.
  • referral Web sites.
  • direct links.

Question 11

Question
Understanding which keywords your users enter to reach your Web site through a search engine can help you understand
Answer
  • how well visitors understand your products.
  • the hardware your Web site is running on.
  • the type of Web browser being used by your Web site visitors.
  • most of your Web site visitors' wants and needs.

Question 12

Question
Which of the following statements about Web site conversion statistics is FALSE?
Answer
  • Visitors who begin a purchase on most Web sites must complete it.
  • Web site visitors can be classed as either new or returning.
  • The conversion rate is the number of people who take action divided by the number of visitors.
  • Analyzing exit rates can tell you why visitors left your Web site.

Question 13

Question
A voice of customer (VOC) strategy involves all of the following EXCEPT
Answer
  • connecting captured insights to unstructured data in order to take action.
  • capturing both unstructured Web data and enterprise data as a starting point.
  • analyzing unstructured data with minimal effort on the user's part.
  • taking actions related to your market, customers and services.

Question 14

Question
All of the following statements about social networks are true EXCEPT
Answer
  • companies should invest equally to retain all members of a group.
  • it is possible to gain insights into how products go viral.
  • members of a group are affected by the behavior of others in the group.
  • a group with all interconnected individuals is called a clique.

Question 15

Question
What is one major way that Web-based social media is the same as publishing media?
Answer
  • They can both reach a global audience.
  • They cost the same to publish.
  • They have the same immediacy of updates.
  • They require the same skill and training to publish.

Question 16

Question
What is one major way in which Web-based social media differs from traditional publishing media?
Answer
  • They use different languages of publication.
  • They have different costs to own and operate.
  • Most Web-based media are operated by the government and large firms.
  • Web-based media have a narrower range of quality.

Question 17

Question
What does descriptive analytics for social media do?
Answer
  • It helps identify your followers.
  • It identifies links between groups.
  • It examines the content of online conversations.
  • It identifies the biggest sources of influence online.

Question 18

Question
What does advanced analytics for social media do?
Answer
  • It examines the content of online conversations.
  • It helps identify your followers.
  • It identifies links between groups.
  • It identifies the biggest sources of influence online.

Question 19

Question
What does Web content mining involve?
Answer
  • analyzing the unstructured content of Web pages
  • analyzing the universal resource locator in Web pages
  • analyzing the pattern of visits to a Web site
  • analyzing the PageRank and other metadata of a Web page

Question 20

Question
What does Web structure mining involve?
Answer
  • analyzing the universal resource locators in Web pages
  • analyzing the unstructured content of Web pages
  • analyzing the pattern of visits to a Web site
  • analyzing the PageRank and other metadata of a Web page

Question 21

Question
Using modeling for decision support can currently achieve all of the following EXCEPT
Answer
  • replace strategy formulation at top levels of the organization
  • enhance the decision making process
  • enable organizations to see likely results of their decisions
  • reduce the costs of providing services to customers

Question 22

Question
Environmental scanning is important for all of the following reasons EXCEPT
Answer
  • environments have greater impact on a model than the organization does.
  • organizational culture is important and affects the model use.
  • it is critical to identify key corporate decision makers
  • environmental factors may have created the current problem

Question 23

Question
Today, it is critical for companies to consider
Answer
  • All of these
  • how to get products to the right customer.
  • how to sell products at the right price
  • how to package products in the right format.

Question 24

Question
Models can be built with the help of human knowledge and expertise. Another source of help in building these models is
Answer
  • classification and clustering methods
  • the customer.
  • customer service reps.
  • business partners

Question 25

Question
What is an influence diagram?
Answer
  • a graphical representation of a model
  • a diagram showing the influence of decision makers
  • a map of the environment around decision makers
  • a map of the environment around a model

Question 26

Question
Spreadsheets are particularly useful for all of the following reasons EXCEPT
Answer
  • they easily import and manipulate massive databases.
  • they are able to import and export to many different file formats.
  • it is easy to manipulate data and see results instantly
  • they can be used to build static and dynamic models.

Question 27

Question
Linear programming belongs to a family of tools called
Answer
  • mathematical programming models.
  • decision tree models.
  • qualitative models
  • heuristic programming models.

Question 28

Question
Which of the following is NOT a component of a linear programming problem?
Answer
  • internal metrics
  • constraints
  • objective function
  • decision variables

Question 29

Question
In an LP model, what does the fourth hidden component contain
Answer
  • product mix variables
  • slack and surplus variables
  • financial and accounting variables
  • constraint and limit variables

Question 30

Question
Managers in organizations typically have
Answer
  • multiple goals that need to be simultaneously or jointly optimized.
  • single goals that can be optimized using linear and nonlinear programming
  • a small number of goals that can be independently optimized using linear and nonlinear programming.
  • single goals that cannot be optimized using linear and nonlinear programming.

Question 31

Question
Sensitivity analysis is important in management support systems for all of the following reasons EXCEPT
Answer
  • it improves the mathematical optimality of the generated solutions.
  • it permits the manager to input data to increase his/her confidence in the model.
  • it provides a better understanding of the model and the decision-making situation.
  • it allows flexibility and adaptation to changing conditions.

Question 32

Question
The question "What will total earnings be if we reduce our inventory stocking costs by 10%?" is a type of
Answer
  • what-if analysis.
  • goal-seeking analysis.
  • sensitivity analysis.
  • utility modeling

Question 33

Question
The question "What advertising budget is needed to increase market share by 7%?" is a type of
Answer
  • goal-seeking analysis
  • what-if analysis.
  • sensitivity analysis.
  • utility modeling.

Question 34

Question
The question "How many servers will be needed to reduce the waiting time of restaurant customers to less than 9 minutes?" is a type of
Answer
  • goal-seeking analysis.
  • what-if analysis.
  • sensitivity analysis.
  • utility modeling.

Question 35

Question
Decision trees are best suited to solve what types of problems?
Answer
  • problems with a single goal
  • roblems with a large number of alternatives
  • problems with a tabular representation
  • problems where probabilities are unknown

Question 36

Question
In handling uncertainty in decision modeling, the optimistic approach assumes
Answer
  • the best possible outcome of each alternative will occur.
  • the best possible outcome of most alternatives will occur.
  • the best possible outcome of some alternatives will occur.
  • the best possible outcome of one alternative will occur.

Question 37

Question
In handling uncertainty in decision modeling, what does the pessimistic approach do?
Answer
  • It assumes the worst possible outcome of each alternative will occur and then selects the best of them.
  • It assumes the worst possible outcome of one alternative will occur and then avoids it.
  • It assumes the worst possible outcome of some alternatives will occur and then selects the best of them.
  • It assumes the worst possible outcome of each alternative will occur and then selects the worst of them.

Question 38

Question
Which of the following statements about expected utility is true?
Answer
  • Used in decision making, it can bring huge risk to a small startup with limited resources.
  • It does not affect decisions made with expected values.
  • Used in decision making, it is an objective value, not subjective.
  • In calculating utility, it assumes the decision will be made thousands of times, making the probabilities more likely on average.

Question 39

Question
Which of the following statements about the analytic hierarchy process (AHP) is true?
Answer
  • It can handle multiple criteria and goals.
  • It is really not a decision model at all.
  • It is based entirely on quantitative data.
  • It is an opaque "black box" in the same way as neural networks.

Question 40

Question
Which of the following statements about the end-of-chapter CARE International case study is true?
Answer
  • CARE's objective was to respond to natural disasters faster.
  • CARE ran its own shipping operation with vehicles that needed route optimization.
  • CARE used a linear programming model for optimization.
  • CARE set out to exclusively use international suppliers with large capacity to better serve people affected by disasters.

Question 41

Question
How does blind search differ from optimization?
Answer
  • Blind search usually does not conclude in one step like some optimization methods.
  • Blind search cannot result in optimal solutions whereas optimization methods do.
  • Blind search is usually a more efficient problem solving approach than optimization.
  • Blind search represents a guided approach while optimization is unguided.

Question 42

Question
In modeling, an optimal solution is understood to be
Answer
  • a solution that is the best based on criteria defined in the design phase.
  • a solution found in the least possible time and using the least possible computing resources.
  • a solution that can only be determined by an exhaustive enumeration and testing of alternatives.
  • a solution that requires an algorithm for determination.

Question 43

Question
When is a complete enumeration of solutions used?
Answer
  • when there is enough time and computational power available
  • when there are an infinite number of solutions to be searched
  • when the modeler requires a guided approach to problem solving
  • when a solution that is "good enough" is fine and good heuristics are available

Question 44

Question
All of the following are true about heuristics EXCEPT
Answer
  • heuristics are used when there is abundant time and computational power.
  • heuristics are rules of good judgment.
  • heuristics are used when the modeler requires a guided approach to problem solving.
  • heuristics are used when a solution that is "good enough" is sought.

Question 45

Question
Which approach is most suited to structured problems with little uncertainty?
Answer
  • optimization
  • simulation
  • genetic algorithms
  • human intuition

Question 46

Question
Genetic algorithms belong to the family of methods in the
Answer
  • artificial intelligence area.
  • optimization area.
  • complete enumeration family of methods.
  • non-computer based (human) solutions area.

Question 47

Question
All of the following are suitable problems for genetic algorithms EXCEPT
Answer
  • simple optimization with few variables.
  • dynamic process control.
  • simulation of biological models.
  • pattern recognition with complex patterns.

Question 48

Question
Which approach is most suited to complex problems with significant uncertainty, a need for experimentation, and time compression?
Answer
  • simulation
  • genetic algorithms
  • optimization
  • human intuition

Question 49

Question
Which of the following is an advantage of simulation?
Answer
  • It can incorporate significant real-life complexity.
  • It always results in optimal solutions.
  • It solves problems in one pass with no iterations.
  • Simulation software requires special skills.

Question 50

Question
In which stage of the simulation methodology do you determine the variables and gather data?
Answer
  • constructing the simulation model
  • defining the problem
  • designing the experiment
  • testing and validating the model

Question 51

Question
In which stage of the simulation methodology do you determine how long to run the simulation?
Answer
  • designing the experiment
  • defining the problem
  • testing and validating the model
  • constructing the simulation model

Question 52

Question
In which stage of the simulation methodology do you determine the system's boundaries and environment?
Answer
  • defining the problem
  • designing the experiment
  • testing and validating the model
  • constructing the simulation model

Question 53

Question
What BEST describes a simulation model with a limited number of variables, each with a finite number of values?
Answer
  • discrete event simulation
  • Monte Carlo simulation
  • continuous distribution simulation
  • system dynamics simulation

Question 54

Question
What BEST describes a simulation model in which it is not important to know exactly when a modeled event occurred?
Answer
  • time-independent simulation
  • system dynamics simulation
  • discrete event simulation
  • continuous distribution simulation

Question 55

Question
The advantages of visual interactive simulation include all of the following EXCEPT
Answer
  • reduced need for decision maker involvement.
  • the ability to see how a simulation works.
  • improved presentation of simulation results.
  • improvements in training using the simulation

Question 56

Question
What can system dynamics modeling be used for?
Answer
  • qualitative methods for analyzing a system
  • micro-level simulation models that examine individual values
  • simulation models that test each subsystem in isolation
  • studying system behavior at an instant in time

Question 57

Question
The EHR (electronic health record) system dynamics modeling example showed that
Answer
  • increased staff training results in increased electronic prescriptions.
  • e-notes negatively affect radiology performance.
  • increased electronic note-taking negatively affects compliance.
  • adverse drug events help to decrease patient time.

Question 58

Question
In agent-based modeling, agents are
Answer
  • autonomous rule-based decision making units.
  • the human workers or agents who use the system.
  • the hardware platform used to conduct the simulation.
  • communication links between simulations.

Question 59

Question
Agent-based modeling is best for all the following types of problem features EXCEPT
Answer
  • low uncertainty.
  • many interrelated factors.
  • irregular data.
  • complex interactions.

Question 60

Question
What is the final stage of an agent-based modeling (ABM) methodology?
Answer
  • validating agent behavior against reality
  • identifying the agents and determining their behavior
  • determining the suitability of ABM
  • determining agent-related data

Question 61

Question
In the InterContinental Hotel Group case study, the mathematical model used to increase profits was based on
Answer
  • a simulation model that tried out many options.
  • an optimization model that used multiple variables.
  • a system that collated the subjective inputs of managers.
  • a mathematical model that used two variables: price and day of the week.

Question 62

Question
Who are automated decision systems (ADS) primarily designed for?
Answer
  • frontline workers who must make decisions rapidly
  • strategic level managers making long-term, wide-ranging decisions
  • mid-level managers making tactical decision
  • operational managers who make shop floor decisions

Question 63

Question
In the Giant Food Stores case study, the new pricing model deployment system included all the following features EXCEPT
Answer
  • it required more staff to make pricing changes.
  • it could handle large numbers of price changes.
  • it used point of sale and competitive data as inputs.
  • it had a predictive capability.

Question 64

Question
Revenue management systems modify the prices of products and services dynamically based on
Answer
  • business rules, demand, and supply.
  • intuition, demand, and supply.
  • intuition, competition, and supply.
  • business rules, supply, and intuition.

Question 65

Question
What would explain why a divorce attorney in New York City may not be considered an expert in Beijing, China?
Answer
  • Expertise is frequently domain dependent.
  • You need a greater level of experience in Beijing to practice law.
  • No criteria to evaluate divorce attorneys exist in Beijing.
  • The divorce attorney in New York does not speak Mandarin.

Question 66

Question
What does self-knowledge in an expert system (ES) mean?
Answer
  • The ES can explain how it reached a conclusion.
  • An ES understands itself in a very human sense.
  • An ES understands the human decision maker.
  • The ES "knows" that it exists.

Question 67

Question
How does an expert system differ from conventional systems?
Answer
  • Expert systems handle qualitative data easily.
  • Changes in an expert system are tedious to make.
  • The expert system operates only when it is complete.
  • Execution of expert system programs is algorithmic or step-by-step.

Question 68

Question
In the sport talents identification case study, the expert system was calibrated with expertise from
Answer
  • subjects in the cases used to create the ES.
  • multiple sports experts.
  • one overall sports expert.
  • the system developer.

Question 69

Question
In the chemical, biological, and radiological agents case study, the CBR Advisor program had all the following features EXCEPT
Answer
  • it was available online to the general public.
  • it could provide advice even incomplete information.
  • it was tailored to different types of users.
  • it was created by multiple experts.

Question 70

Question
The MYCIN Expert System was used to diagnose bacterial infections using
Answer
  • a set of 500 rules on the subject.
  • a simulation model that tried out many options.
  • an optimization model.
  • an expert system whose performance was inferior to human experts.

Question 71

Question
Which module is missing from most expert systems?
Answer
  • knowledge refinement subsystem
  • user interface subsystem
  • knowledge base subsystem
  • inference engine

Question 72

Question
All the following statements about how an expert system operates are true EXCEPT
Answer
  • inference engines contain an explanation subcomponent.
  • incorporated knowledge is drawn exclusively from human experts.
  • a knowledge engineer creates inferencing rules.
  • knowledge rules are stored in the knowledge base.

Question 73

Question
In the heart disease diagnosis case study, what was a benefit of the SIPMES expert system?
Answer
  • The SIPMES system could diagnose all types of cardiovascular diseases.
  • Expert systems from other domains were used, saving development time.
  • The SIPMES system agreed with human experts 64% of the time.
  • No human expert knowledge was needed in development, only textbook knowledge.

Question 74

Question
Which of the following is NOT a stage of knowledge engineering?
Answer
  • knowledge consolidation
  • knowledge representation
  • knowledge acquisition
  • knowledge validation

Question 75

Question
It is difficult to acquire knowledge from experts for all the following reasons EXCEPT
Answer
  • many business areas have no identifiable experts.
  • experts may not be able to put into words how they conduct their work.
  • testing and refining of knowledge is complex and difficult.
  • experts often change their behavior when observed.

Question 76

Question
Using certainty factors, a rule declares that IF competition is strong, CF = 70 AND margins are above 15% CF = 100 THEN sales demand will decline. If both conditions are true, what is the CF of the conclusion?
Answer
  • 70%
  • 100%
  • 30%
  • 21%

Question 77

Question
Using certainty factors, a rule declares that IF competition is strong, CF = 70 OR margins are above 15% CF = 100 THEN sales demand will decline. If both conditions are true, what is the CF of the conclusion?
Answer
  • 100%
  • 70%
  • 30%
  • 21%

Question 78

Question
Which category of expert systems that includes weather forecasting and economic/financial forecasting?
Answer
  • prediction ES
  • diagnostic ES
  • planning ES
  • instruction ES

Question 79

Question
Which tool would be best to use when there is a need to very rapidly and cheaply develop a rule-based expert system?
Answer
  • an ES shell
  • LISP or Prolog languages
  • ASP.NET
  • C++

Question 80

Question
In the Clinical Decision Support System case study, what was the system's output?
Answer
  • a treatment and rehabilitation plan for the patient
  • a diagnosis of the type of tendon injury suffered by the patient
  • an explanation of the tendon anatomy of the patient
  • a referral to specialists who could accurately diagnose the tendon injury

Question 81

Question
In the Army expertise transfer system case, what did 'knowledge harvesting' involve?
Answer
  • interviewing experts and transcribing and mining their knowledge
  • interviewing experts, posting their knowledge verbatim and seeking continual feedback
  • observing experts at work and documenting their expertise in different tasks
  • allowing experts to enter their knowledge directly into the knowledge system

Question 82

Question
Knowledge can be best described as
Answer
  • organized facts set in context and actionable.
  • facts, measurements, and statistics.
  • an organized collection or set of facts.
  • facts, measurements, and statistics that are validated.

Question 83

Question
Which of the following is NOT an attribute of knowledge?
Answer
  • The value of knowledge is easily quantified.
  • Knowledge is not subject to diminishing returns.
  • Knowledge fragments as it grows.
  • There is a need to refresh knowledge periodically for competitive advantage.

Question 84

Question
Which is an example of conditional knowledge?
Answer
  • when to install a new part in a faulty car
  • what new part is appropriate to fix a faulty car
  • how to install a new part in a faulty car
  • why a new part fixes a faulty car

Question 85

Question
Which is an example of declarative knowledge?
Answer
  • what new part is appropriate to fix a faulty car
  • how to install a new part in a faulty car
  • when to install a new part in a faulty car
  • why a new part fixes a faulty car

Question 86

Question
The term "leaky knowledge" MOST accurately refers to
Answer
  • explicit knowledge.
  • tacit knowledge.
  • individual knowledge.
  • social knowledge.

Question 87

Question
Which approach to knowledge management capitalizes on tacit knowledge and requires heavy IT investment?
Answer
  • the process approach
  • the practice approach
  • the IT approach
  • the systems approach

Question 88

Question
During which stage of the KMS cycle are human insights captured together with explicit facts?
Answer
  • the refining knowledge stage
  • the managing knowledge stage
  • the disseminating knowledge stage
  • the storing knowledge stage

Question 89

Question
During which stage of the KMS cycle is knowledge made available to intended users?
Answer
  • the disseminating knowledge stage
  • the managing knowledge stage
  • the refining knowledge stage
  • the storing knowledge stage

Question 90

Question
Which technology element of knowledge management systems enables document sharing among decision makers?
Answer
  • collaboration
  • communication
  • storage
  • retrieval

Question 91

Question
Which set of technologies that support knowledge management is characterized by mashups, blogs, social networks, and wikis?
Answer
  • Web 2.0
  • artificial intelligence
  • XML
  • ERP

Question 92

Question
Distractions, groupthink, and digressions that occur in groupwork are known as
Answer
  • process losses.
  • malfunctions.
  • misunderstandings
  • group failure.

Question 93

Question
All the following are negative aspects of working in groups EXCEPT
Answer
  • it is more difficult to catch errors
  • there can be a lack of coordination
  • it is time-consuming
  • participants may be afraid to contribute

Question 94

Question
Videoconferencing is an example of what kind of groupware?
Answer
  • same time, different place
  • same time, same place
  • different time, same place
  • different time, different place

Question 95

Question
Which of the following is the best example of asynchronous communication?
Answer
  • e-mail
  • multimedia presentation system
  • teleconference
  • videoconference

Question 96

Question
Which groupware tools are associated with synchronous use?
Answer
  • VoIP and instant messaging
  • e-mail and web conferencing
  • VoIP and wikilogs
  • Web conference and online workspaces

Question 97

Question
All of the following statements about wikis are true EXCEPT
Answer
  • the wiki owner is responsible for the wiki organization.
  • Wikis run on a server.
  • the majority of Wiki content is user-created.
  • Wiki pages are usually highly interconnected though links.

Question 98

Question
What is the major difference between group support systems (GSS) and group decision support systems (GDSS)?
Answer
  • GDSS have a narrower focus than GSS.
  • GSS use modern technology; GDSS do not.
  • GSS use Web based technologies; GDSS do not.
  • GDSS do not support virtual teams, but GSS do.

Question 99

Question
What software or facility is best for a small firm spread out across the Northeast U.S. looking to inexpensively conduct regular videoconferencing?
Answer
  • WebEx
  • Excel
  • decision rooms
  • SharePoint

Question 100

Question
In the digital forensics case study, what was the main obstacle to knowledge sharing?
Answer
  • Many departments and agencies were effectively functional silos
  • Laws existed to prevent agencies sharing techniques and experience.
  • There was an extreme lack of Internet security.
  • There was a need to keep each case experience "clean" and untainted by others.

Question 101

Question
Using data to understand customers/clients and business operations to sustain and foster growth and profitability is
Answer
  • an increasingly challenging task for today's enterprises.
  • easier with the advent of BI and Big Data
  • essentially the same now as it has always been.
  • now completely automated with no human intervention required.

Question 102

Question
A newly popular unit of data in the Big Data era is the petabyte (PB), which is
Answer
  • 10^15 bytes.
  • 10^9 bytes.
  • 10^12 bytes.
  • 10^18 bytes.

Question 103

Question
Which of the following sources is likely to produce Big Data the fastest?
Answer
  • RFID tags
  • order entry clerks
  • cashiers
  • online customers

Question 104

Question
Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called?
Answer
  • Variability
  • volatility
  • periodicity
  • inconsistency

Question 105

Question
In the Luxottica case study, what technique did the company use to gain visibility into its customers?
Answer
  • data integration
  • visibility analytics
  • focus on growth
  • customer focus

Question 106

Question
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?
Answer
  • in-memory analytics
  • in-database analytics
  • grid computing
  • appliances

Question 107

Question
Which Big Data approach promotes efficiency, lower cost, and better performance by processing jobs in a shared, centrally managed pool of IT resources?
Answer
  • grid computing
  • in-memory analytics
  • in-database analytics
  • appliances

Question 108

Question
How does Hadoop work?
Answer
  • It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on multiple computers.
  • It integrates Big Data into a whole so large data elements can be processed as a whole on one computer.
  • It integrates Big Data into a whole so large data elements can be processed as a whole on multiple computers.
  • It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on one computer.

Question 109

Question
What is the Hadoop Distributed File System (HDFS) designed to handle?
Answer
  • unstructured and semistructured non-relational data
  • unstructured and semistructured relational data
  • structured and semistructured relational data
  • structured and semistructured non-relational data

Question 110

Question
In a Hadoop "stack," what is a slave node?
Answer
  • a node where data is stored and processed
  • a node where bits of programs are stored
  • a node where metadata is stored and used to organize data processing
  • a node responsible for holding all the source programs

Question 111

Question
In a Hadoop "stack," what node periodically replicates and stores data from the Name Node should it fail?
Answer
  • secondary node
  • backup node
  • substitute node
  • slave node

Question 112

Question
All of the following statements about MapReduce are true EXCEPT
Answer
  • MapReduce runs without fault tolerance.
  • MapReduce is a general-purpose execution engine.
  • MapReduce handles the complexities of network communication.
  • MapReduce handles parallel programming.

Question 113

Question
In the Big Data and Analytics in Politics case study, which of the following was an input to the analytic system?
Answer
  • census data
  • assessment of sentiment
  • voter mobilization
  • group clustering

Question 114

Question
In the Big Data and Analytics in Politics case study, what was the analytic system output or goal?
Answer
  • voter mobilization
  • census data
  • assessment of sentiment
  • group clustering

Question 115

Question
Traditional data warehouses have not been able to keep up with
Answer
  • the variety and complexity of data.
  • the evolution of the SQL language
  • expert systems that run on them.
  • OLAP.

Question 116

Question
Under which of the following requirements would it be more appropriate to use Hadoop over a data warehouse?
Answer
  • unrestricted, ungoverned sandbox explorations
  • ANSI 2003 SQL compliance is required
  • online archives alternative to tape
  • analysis of provisional data

Question 117

Question
What is Big Data's relationship to the cloud?
Answer
  • Amazon and Google have working Hadoop cloud offerings.
  • Hadoop cannot be deployed effectively in the cloud just yet.
  • IBM's homegrown Hadoop platform is the only option.
  • Only MapReduce works in the cloud; Hadoop does not.

Question 118

Question
Companies with the largest revenues from Big Data tend to be
Answer
  • the largest computer and IT services firms
  • small computer and IT services firms.
  • pure open source Big Data firms.
  • non-U.S. Big Data firms.

Question 119

Question
In the health sciences, the largest potential source of Big Data comes from
Answer
  • patient monitoring.
  • accounting systems.
  • human resources.
  • research administration.

Question 120

Question
In the Discovery Health insurance case study, the analytics application used available data to help the company do all of the following EXCEPT
Answer
  • open its own pharmacy.
  • predict customer health.
  • detect fraud.
  • lower costs for members.

Question 121

Question
What kind of location based analytics is real-time marketing promotion?
Answer
  • organization-oriented location-based dynamic approach
  • organization-oriented geospatial static approach
  • consumer-oriented geospatial static approach
  • consumer-oriented location-based dynamic approach

Question 122

Question
GPS Navigation is an example of which kind of location based analytics?
Answer
  • consumer-oriented geospatial static approach
  • organization-oriented geospatial static approach
  • organization-oriented location-based dynamic approach
  • consumer-oriented location-based dynamic approach

Question 123

Question
What new geometric data type in Teradata's data warehouse captures geospatial features?
Answer
  • ST_GEOMETRY
  • NAVTEQ
  • GIS
  • SQL/MM

Question 124

Question
A British company called Path Intelligence has developed a system that ascertains how people move within a city or even within a store. What is this system called?
Answer
  • Footpath
  • Pathfinder
  • PathMiner
  • Pathdata

Question 125

Question
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)
Answer
  • gyroscope.
  • potentiometer.
  • microscope
  • oscilloscope.

Question 126

Question
Content-based filtering obtains detailed information about item characteristics and restricts this process to a single user using information tags or
Answer
  • keywords.
  • passphrases.
  • key-pairs.
  • reality mining

Question 127

Question
Service-oriented thinking is one of the fastest growing paradigms in today's economy. Which of the following is NOT a characteristic of service-oriented DSS?
Answer
  • originality
  • reusability
  • substitutability
  • extensibility

Question 128

Question
All of the following are components in a service-oriented DSS environment EXCEPT
Answer
  • data as infrastructure.
  • information technology as enabler.
  • process as beneficiary.
  • people as user.

Question 129

Question
Which of the following is true of data-as-a-Service (DaaS) platforms?
Answer
  • There are standardized processes for accessing data wherever it is located.
  • Knowing where the data resides is critical to the functioning of the platform.
  • Business processes can access local data only.
  • Data quality happens on each individual platform.

Question 130

Question
Which component of service-oriented DSS can be described as a subset of a data warehouse that supports specific decision and analytical needs and provides business units more flexibility, control, and responsibility?
Answer
  • data marts
  • information delivery portals
  • information services with library and administrator
  • extract, transform, load

Question 131

Question
Which component of service-oriented DSS can be described as optimizing the DSS environment use by organizing its capabilities and knowledge, and assimilating them into the business processes?
Answer
  • information services with library and administrator
  • information delivery portals
  • extract, transform, load
  • data marts

Question 132

Question
Which component of service-oriented DSS can be defined as data that describes the meaning and structure of business data, as well as how it is created, accessed, and used?
Answer
  • metadata management
  • application programming interface
  • analytics
  • operations and administration

Question 133

Question
Which component of service-oriented DSS includes such examples as optimization, data mining, text mining, simulation, automated decision systems?
Answer
  • analytics
  • application programming interface
  • operations and administration
  • metadata management

Question 134

Question
Which of the following offers a flexible data integration platform based on a newer generation of service-oriented standards that enables ubiquitous access to any type of data?
Answer
  • IaaS
  • EAI
  • EII
  • ETL

Question 135

Question
When new analytics applications are introduced and affect multiple related processes and departments, the organization is best served by utilizing
Answer
  • business process reengineering
  • business flow management.
  • multi-department analysis.
  • process flow analysis.

Question 136

Question
Research into managerial use of DSS and expert systems found all the following EXCEPT
Answer
  • managers spent more time in the office and less in the field.
  • managers spent more of their time planning.
  • managers saw their decision making quality enhanced.
  • managers were able to devote less of their time fighting fires

Question 137

Question
Why do analytics applications have the effect of redistributing power among managers?
Answer
  • The more information and analysis managers have, the more power they possess.
  • Sponsoring an analytics system automatically confers power to a manager.
  • New analytics applications change managers' job expectations.
  • New analytics systems lead to new budget allocations, resulting in increased power.

Question 138

Question
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
Answer
  • single-sign-on facilities.
  • consumer access applications.
  • information collection portals.
  • consumer information sign on facilities.

Question 139

Question
Which of the following is true about the furtherance of homeland security?
Answer
  • There is a greater need for oversight.
  • There is a lessening of privacy issues.
  • The impetus was the need to harvest information related to financial fraud after 2001.
  • Most people regard analytic tools as mostly ineffective in increasing security.

Question 140

Question
Which of the following is considered the economic engine of the whole analytics industry?
Answer
  • analytics user organizations
  • application developers and system integrators
  • analytics industry analysts and influencers
  • academic providers and certification industries
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