Exam (elaborations)
C954 - Information Technology Management - Lesson 3
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C954 - Information Technology Management - Lesson 3
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C954 - Information TechnologyManagement - Lesson 3
repository - ANS-a central location in which data is stored and managed
data warehouse - ANS-A logical collection of information - gathered from many different
operational databases - that supports business analysis activities and decision-making
tasks
Extraction, transformation, and loading (ETL) - ANS-A process that extracts information
from internal and external databases, transforms the information using a common set of
enterprise definitions, and loads the information into a data warehouse
data mart - ANS-contains a subset of data warehouse information
dirty data - ANS-erroneous or flawed data
Information cleansing or scrubbing - ANS-A process that weeds out and fixes or
discards inconsistent, incorrect, or incomplete information
data point - ANS-an individual item on a graph or a chart
data broker - ANS-a business that collects personal information about consumers and
sells that information to other organizations
data lake - ANS-a storage repository that holds a vast amount of raw data in its native
format until it is needed
source data - ANS-identifies the primary location where data is collected
data set - ANS-an organized collection of data
Comparative Analysis - ANS-compares two or more data sets to identify patterns and
trends
Data-driven decision making - ANS-an approach to business governance that values
decisions that can be backed up with verifiable data
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