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MC1+2
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Preguntas del test (40)
1In the Opening Vignette on Sports Analytics, what was adjusted to drive one-time ticket
sales?- Aplayer selections
- Bstadium location
- Cfan tweets
- Dticket prices
2In the Opening Vignette on Sports Analytics, what type of modeling was used to predict
offensive tactics?- Aheuristics
- Bheat maps
- Ccascaded decision trees
- Dsentiment analysis
3Business applications have moved from transaction processing and monitoring to other
activities. Which of the following is NOT one of those activities?- Aproblem analysis
- Bsolution applications
- Cdata monitoring
- Dmobile access
4 Which of the following developments is NOT contributing to facilitating growth of decision
support and analytics?- Acollaboration technologies
- BBig Data
- Cknowledge management systems
- Dlocally concentrated workforces
5In what decade did disjointed information systems begin to be integrated?
- A1970s
- B1980s
- C1990s
- D2000s
6Relational databases began to be used in the
- A1960s
- B1970s
- C1980s
- D1990s
7The need for more versatile reporting than what was available in 1980s era ERP systems led
to the development of what type of system?- Amanagement information systems
- Brelational databases
- Cexecutive information systems
- Ddata warehouses
8Which of the following is an umbrella term that combines architectures, tools, databases,
analytical tools, applications, and methodologies?- AMIS
- BDSS
- CERP
- DBI
9The competitive imperatives for BI include all of the following EXCEPT
- Aright information
- Bright user
- Cright time
- Dright place
10 Which of the following is NOT an example of transaction processing?
- AATM withdrawal
- Bbank deposit
- Csales report
- Dcash register scans
11 Online transaction processing (OLTP) systems handle a company's routine ongoing business.
In contrast, a data warehouse is typically- Athe end result of BI processes and operations
- Ba repository of actionable intelligence obtained from a data mart.
- Ca distinct system that provides storage for data that will be made use of in analysis
- Dan integral subsystem of an online analytical processing (OLAP) system.
12 The very design that makes an OLTP system efficient for transaction processing makes it
inefficient for- Aend-user ad hoc reports, queries, and analysis
- Btransaction processing systems that constantly update operational databases.
- Cthe collection of reputable sources of intelligence.
- Dtransactions such as ATM withdrawals, where we need to reduce a bank balance accordingly.
13 How are enterprise resources planning (ERP) systems related to supply chain management
(SCM) systems?- Adifferent terms for the same system
- Bcomplementary systems
- Cmutually exclusive systems
- Dnone of the above; these systems never interface
14BI applications must be integrated with
- Adatabases.
- Blegacy systems
- Centerprise systems.
- Dall of these
15What has caused the growth of the demand for instant, on-demand access to dispersed
information?- Athe increasing divide between users who focus on the strategic level and those who are more oriented to the tactical level
- Bthe need to create a database infrastructure that is always online and contains all the information from the OLTP systems
- Cthe more pressing need to close the gap between the operational data and strategic objectives
- Dthe fact that BI cannot simply be a technical exercise for the information systems department
16Today, many vendors offer diversified tools, some of which are completely preprogrammed
(called shells). How are these shells utilized?- AThey are used for customization of BI solutions.
- BAll a user needs to do is insert the numbers.
- CThe shell provides a secure environment for the organization's BI data.
- DThey host an enterprise data warehouse that can assist in decision making.
17What type of analytics seeks to recognize what is going on as well as the likely forecast and
make decisions to achieve the best performance possible?- Adescriptive
- Bprescriptive
- Cpredictive
- Ddomain
18What type of analytics seeks to determine what is likely to happen in the future?
- Adescriptive
- Bprescriptive
- Cpredictive
- Ddomain
19Which of the following statements about Big Data is true?
- AData chunks are stored in different locations on one computer
- BHadoop is a type of processor used to process Big Data applications.
- CMapReduce is a storage filing system.
- DPure Big Data systems do not involve fault tolerance
20Big Data often involves a form of distributed storage and processing using Hadoop and
MapReduce. One reason for this is- Acentralized storage creates too many vulnerabilities
- Bthe "Big" in Big Data necessitates over 10,000 processing nodes.
- Cthe processing power needed for the centralized model would overload a single computer
- DBig Data systems have to match the geographical spread of social media.
21Which characteristic of data means that all the required data elements are included in the data set?
- Adata source reliability
- Bdata accessibility
- Cdata richness
- Ddata granularity
22Key performance indicators (KPIs) are metrics typically used to measure
- Adatabase responsiveness.
- Bqualitative feedback.
- Cexternal results.
- Dinternal results.
23Kaplan and Norton developed a report that presents an integrated view of success in the organization called
- Ametric management reports.
- Bbalanced scorecard-type reports.
- Cdashboard-type reports.
- Dvisual reports.
24Which characteristic of data requires that the variables and data values be defined at the lowest (or as low as required) level of detail for the intended use of the data?
- Adata source reliability
- Bdata accessibility
- Cdata richness
- Ddata granularity
25Which of the following is LEAST related to data/information visualization?
- Ainformation graphics
- Bscientific visualization
- Cstatistical graphics
- Dgraphic artwork
26The Internet emerged as a new medium for visualization and brought all the following EXCEPT
- Aworldwide digital distribution of visualization.
- Bimmersive environments for consuming data.
- Cnew forms of computation of business logic.
- Dnew graphics displays through PC displays.
27Which kind of chart is described as an enhanced version of a scatter plot?
- Aheat map
- Bbullet
- Cpie chart
- Dbubble chart
28Which type of visualization tool can be very helpful when the intention is to show relative proportions of dollars per department allocated by a university administration?
- Aheat map
- Bbullet
- Cpie chart
- Dbubble chart
29Which type of visualization tool can be very helpful when a data set contains location data?
- Abar chart
- Bgeographic map
- Chighlight table
- Dtree map
30Which type of question does visual analytics seeks to answer?
- AWhy is it happening?
- BWhat happened yesterday?
- CWhat is happening today?
- DWhen did it happen?
31When you tell a story in a presentation, all of the following are true EXCEPT
- Aa story should make sense and order out of a lot of background noise.
- Ba well-told story should have no need for subsequent discussion.
- Cstories and their lessons should be easy to remember.
- Dthe outcome and reasons for it should be clear at the end of your story.
32Benefits of the latest visual analytics tools, such as SAS Visual Analytics, include all of the following EXCEPT
- Amobile platforms such as the iPhone are supported by these products.
- Bit is easier to spot useful patterns and trends in the data.
- Cthey explore massive amounts of data in hours, not days.
- Dthere is less demand on IT departments for reports.
33What is the management feature of a dashboard?
- Aoperational data that identify what actions to take to resolve a problem
- Bsummarized dimensional data to analyze the root cause of problems
- Csummarized dimensional data to monitor key performance metrics
- Dgraphical, abstracted data to monitor key performance metrics
34What is the fundamental challenge of dashboard design?
- Aensuring that users across the organization have access to it
- Bensuring that the organization has the appropriate hardware onsite to support it
- Censuring that the organization has access to the latest Web browsers
- Densuring that the required information is shown clearly on a single screen
35Contextual metadata for a dashboard includes all the following EXCEPT
- Awhether any high-value transactions that would skew the overall trends were rejected as a part of the loading process.
- Bwhich operating system is running the dashboard server software.
- Cwhether the dashboard is presenting "fresh" or "stale" information.
- Dwhen the data warehouse was last refreshed.
36Dashboards can be presented at all the following levels EXCEPT
- Athe visual dashboard level.
- Bthe static report level.
- Cthe visual cube level.
- Dthe self-service cube level.
37This measure of central tendency is the sum of all the values/observations divided by the number of observations in the data set.
- Adispersion
- Bmode
- Cmedian
- Darithmetic mean
38This measure of dispersion is calculated by simply taking the square root of the variations.
- Astandard deviation
- Brange
- Cvariance
- Darithmetic mean
39This plot is a graphical illustration of several descriptive statistics about a given data set.
- Apie chart
- Bbar graph
- Cbox-and-whiskers plot
- Dkurtosis
40This technique makes no a priori assumption of whether one variable is dependent on the other(s) and is not concerned with the relationship between variables; instead it gives an estimate on the degree of association between the variables.
- Aregression
- Bcorrelation
- Cmeans test
- Dmultiple regression
Información
- Descripción
- Information Technology Test sobre MC1+2, creado por Huy Anh Vo el 10/02/2019.
- Autor
- Huy Anh Vo
- Idioma
- English
- Visitas
- 6
- Etiquetas
- Valoración
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