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Questão 1
Questão
1.BI is a framework that allows a business to transform data into information, information into knowledge, and knowledge into wisdom.
Responda
- True
- False
Questão 2
Questão
2.Monitoring results to evaluate outcomes of the business decisions is outside the scope of BI.
Responda
- True
- False
Questão 3
Questão
3.The BI architecture is composed of data, people, processes, technology, and the management of such components.
Responda
- True
- False
Questão 4
Questão
4.A data store is used by the data analyst to create the queries that access the database.
Responda
- True
- False
Questão 5
Questão
5.MDM’s main goal is to provide a partial and segmented definition of all data within an organization.
Responda
- True
- False
Questão 6
Questão
6.SAP is a portal vendor.
Responda
- True
- False
Questão 7
Questão
7. To tie a KPI to the strategic master plan of an organization, a KPI will be compared to a desired goal within a specific time frame.
Responda
- True
- False
Questão 8
Questão
8.Operational data and decision support data serve the same purpose.
Responda
- True
- False
Questão 9
Questão
9.Decision support data are a snapshot of the operational data at a given point in time
Responda
- True
- False
Questão 10
Questão
10.Queries against operational data typically are broad in scope and high in complexity.
Responda
- True
- False
Questão 11
Questão
11.The decision support database query optimizer must be enhanced to support non-normalized structures.
Responda
- True
- False
Questão 12
Questão
12.Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
Responda
- True
- False
Questão 13
Questão
13.Once data enter the data warehouse, they are never removed.
Responda
- True
- False
Questão 14
Questão
14.Creating a data warehouse is a simple exercise that takes little time, money, or effort.
Responda
- True
- False
Questão 15
Questão
15.The data warehouse development life cycle differs from classical systems development.
Responda
- True
- False
Questão 16
Questão
16.Facts can be computed or derived at run time.
Responda
- True
- False
Questão 17
Questão
17.The data warehouse designer must define common business dimensions that will be used by the data analyst to narrow a search, group information, or describe attributes.
Responda
- True
- False
Questão 18
Questão
18.Data warehouses usually have one fact table
Responda
- True
- False
Questão 19
Questão
19.Normalizing fact tables improves data access performance and saves data storage space.
Responda
- True
- False
Questão 20
Questão
20.Periodicity, usually expressed as current year only, previous years, or all years, provides information about the time span of the data stored in the table.
Responda
- True
- False
Questão 21
Questão
21.It is a relatively easy task to provide a precise list of characteristics of data-mining tools.
Responda
- True
- False
Questão 22
Questão
22.In the prognosis phase, the data-mining findings are used to predict future behavior and forecast business outcomes
Responda
- True
- False
Questão 23
Questão
23.Multidimensional data analysis techniques include advanced computational functions.
Responda
- True
- False
Questão 24
Questão
24.The mainframe environment enables an OLAP system to be divided into several components that define its architecture.
Responda
- True
- False
Questão 25
Questão
25.In most implementations, the data warehouse and OLAP are stand-alone, independent environments.
Responda
- True
- False
Questão 26
Questão
26.To provide better performance, some OLAP systems merge the data warehouse and data mart approaches by storing small extracts of the data warehouse at end-user workstations.
Responda
- True
- False
Questão 27
Questão
27.The star schema is designed to optimize data query operations rather than data update operations.
Responda
- True
- False
Questão 28
Questão
28.MOLAP is a logical choice for companies that already use relational databases for their operational data.
Responda
- True
- False
Questão 29
Questão
29.Because a data cube’s dimensions are predefined, all cells are populated.
Responda
- True
- False
Questão 30
Questão
30.ROLAP and MOLAP vendors are working toward the integration of their respective solutions within a unified decision support framework.
Responda
- True
- False
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