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What is the practice of gathering data and ensuring that it is uniform,accurate,consistent,and complete,including such entities as customers,suppliers,products,sales,employees,and other critical entities that are commonly integrated across organizational systems?


A) Information inconsistency
B) Information integrity issues
C) Data governance
D) Master data management

E) C) and D)
F) A) and B)

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What is Big Data?


A) A collection of large,complex data sets,including structured and unstructured data,which can't be analyzed using traditional database methods and tools
B) Processes and manages algorithms across many machines in a computing environment
C) Focuses on forecasting future trends and producing insights using sophisticated quantitative methods,including statistics,descriptive and predictive data mining,simulation,and optimization
D) Extracts knowledge from data by performing statistical analysis,data mining,and advanced analytics on Big Data to identify trends,market changes,and other relevant information

E) A) and D)
F) B) and D)

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Which of the following is the common term for the representation of multidimensional information?


A) Block
B) Square
C) Column
D) Cube

E) A) and D)
F) A) and C)

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What is a business that collects personal information about consumers and sells that information to other organizations?


A) Repository
B) Data warehouse
C) Data aggregation
D) Data broker

E) A) and B)
F) C) and D)

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Data validation helps to ensure that every data value is correct and accurate.In Microsoft Word,you can use data validation to control the type of data or the values that users enter into a cell.

A) True
B) False

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In terms of Big Data,what includes the scale of data?


A) Variety
B) Veracity
C) Volume
D) Velocity

E) All of the above
F) C) and D)

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What is an individual item on a graph or a chart?


A) Data set
B) Dirty data
C) Data map
D) Data point

E) None of the above
F) C) and D)

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Real-time systems provide real-time information in response to requests.

A) True
B) False

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How would the health care industry use business intelligence?


A) Analyze popular vacation locations with current flight listings
B) Understand customer credit card usage and nonpayment rates
C) Compare the demographics of patients with critical illnesses
D) Predict claim amounts and medical coverage costs

E) A) and D)
F) A) and C)

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In a data warehouse,information cleansing occurs first during the ETL process and again once the information is in the data warehouse.

A) True
B) False

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What segments a heterogeneous population of more homogeneous subgroups?


A) Classification
B) Estimation
C) Affinity grouping
D) Clustering

E) None of the above
F) A) and B)

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Prediction is a statistical process that finds the way to make a design,system,or decision as effective as possible,for example,finding the values of controllable variables that determine maximal productivity or minimal waste.

A) True
B) False

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Real-time information refers to the extent of detail within the information (fine and detailed,or coarse and abstract).

A) True
B) False

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What is estimation?


A) Determines values for an unknown continuous variable behavior or estimated future value
B) Determines which things go together
C) Segments a heterogeneous population of more homogeneous subgroups
D) Assigns records to one of a predefined set of classes

E) All of the above
F) A) and D)

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A comparative analysis can compare two or more data sets to identify patterns and trends.

A) True
B) False

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What is Web analytics?


A) Unstructured data associated with websites to identify consumer behavior and website navigation
B) Analyzes structured data associated with a website
C) Filters information,both structured and unstructured,to help identify strong Web customers
D) None of these choices

E) A) and B)
F) A) and D)

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Which of the below reveals the relationship between variables along with the nature and frequency of the relationship?


A) Association detection
B) Masking detection tool
C) Cluster grouping
D) Blocking barriers

E) A) and C)
F) B) and C)

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How would the marketing industry use business intelligence?


A) Track crime patterns,locations,and criminal behavior
B) Analyze customer demographics
C) Predict sales,inventory levels,and distribution
D) Predict hardware failures

E) C) and D)
F) A) and B)

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Association detection reveals the relationship between variables along with the nature and frequency of the relationship.

A) True
B) False

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What is a data lake?


A) A business that collects personal information about consumers and sells that information to other organizations
B) A storage repository that holds a vast amount of raw data in its original format until the business needs it
C) A technique for establishing a match, or balance, between the source data and the target data warehouse
D) An approach to business governance that values decisions that can be backed up with verifiable data
A data lake is a storage repository that holds a vast amount of raw data in its original format until the business needs it.

E) All of the above
F) C) and D)

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