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Exam 12: Business Intelligence and IS

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Question 61

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Which of the following is true about unsupervised data mining?

A) Activities are different from a reporting activity.
B) Analysts do not create a model before running the analysis.
C) Statistical analysis is applied to data prior to the analysis.
D) Statistical tools used are simple and easy to understand.

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Question 62

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Big Data information systems are similar in data and software in comparison to routine-sized databases.

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Question 63

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NoSQL databases have data redundancy,fewer controls,and require programming skills.

There is no BI,no informing,without procedures.

Although data numbers are growing at impressive rates,the five main sources of data remain the same.

The special repository for business intelligence applications is called a ________.

Operational data are often structured in a way that readily supports BI analysis.

In BI terms,operational databases are often referred to as ________.

Like all ERP systems,SAP consolidates operational data in an OLTP database.

Which of the following statements is true regarding the data mining process?

Data that are problematic for business intelligence are termed ________.

Analysis of jet engine data has led to remarkable reductions in engine failures over the past several decades.

Which of the following is used to predict cross-selling opportunities?

BI systems restrain from combining operational data with data from other sources before storing them in the repository.

Explain the two ways that BI is helping the airline industry.

Dashboards can be used to monitor business processes and indicate abnormal conditions with obvious signs.

What are three ways that SAP and the other ERP vendors also make it possible to analyze data with software from other companies?

How has Big Data BI improved the urban services processes in Barcelona,Spain?

A credit card provider uses a software to determine the likelihood of customers defaulting on their payments.The software assigns a credit score to each customer based on their past transactional records.This software is an example of a ________ system.

Which of the following types of analyses is used in the reporting process?