Question 1

Users in a data mart obtain data that pertain to a particular business function from a ________.

Accepted Answer

A) data room 
B) data center 
C) datasheet 
D) data warehouse 
A) data room 
B) data center 
C) datasheet 
D) data warehouse

Question 2

The source, format, assumptions and constraints, and other facts concerning certain data are called ________.

Accepted Answer

A) metadata 
B) data structures 
C) microdata 
D) network packets 
A) metadata 
B) data structures 
C) microdata 
D) network packets

Question 3

Data analysts who work with data warehouses are experts at data management, data cleaning, data transformation, and data relationships.

Accepted Answer

A) True 
 B)False

Question 4

Structured data is data in the form of rows and columns.

Accepted Answer

A) True 
 B)False

Question 5

________ requires users to request business intelligence results.

Accepted Answer

A) Push publishing 
B) Pull publishing 
C) Data acquisition 
D) Data mining 
A) Push publishing 
B) Pull publishing 
C) Data acquisition 
D) Data mining

Question 6

Which of the following statements is true of BigData?

Accepted Answer

A) BigData contains only structured data. 
B) BigData has low velocity and is generated slowly. 
C) BigData cannot store graphics, audio, and video files. 
D) BigData refers to data sets that are at least a petabyte in size. 
A) BigData contains only structured data. 
B) BigData has low velocity and is generated slowly. 
C) BigData cannot store graphics, audio, and video files. 
D) BigData refers to data sets that are at least a petabyte in size.

Question 7

What is BigData?

Accepted Answer

BigData is a term used to describe data

Question 8

BigData has volume, velocity, and variation characteristics that far exceed those of traditional reporting and data mining.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements is true of Hadoop?

Accepted Answer

A) Hadoop is written in C++ and runs on Linux. 
B) Hadoop includes a query language called Big. 
C) Hadoop is an open source program that implements MapReduce. 
D) Technical skills are not required to run and use Hadoop. 
A) Hadoop is written in C++ and runs on Linux. 
B) Hadoop includes a query language called Big. 
C) Hadoop is an open source program that implements MapReduce. 
D) Technical skills are not required to run and use Hadoop.

Question 10

Which of the following problems is particularly common for data that have been gathered over time?

Accepted Answer

A) wrong granularity 
B) lack of integration 
C) lack of consistency 
D) missing values 
A) wrong granularity 
B) lack of integration 
C) lack of consistency 
D) missing values

Question 11

The granularity in clickstream data is too coarse.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following activities in the business intelligence process involves delivering business intelligence to the knowledge workers who need it?

Accepted Answer

A) data acquisition 
B) BI analysis 
C) publish results 
D) data mining 
A) data acquisition 
B) BI analysis 
C) publish results 
D) data mining

Question 13

Static reports are business intelligence documents that are updated at the time they are requested.

Accepted Answer

A) True 
 B)False

Question 14

The curse of dimensionality states that the more attributes there are, the more difficult it is to build a model that fits the sample data.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is a fundamental category of business intelligence (BI)analysis?

Accepted Answer

A) data acquisition 
B) reporting 
C) push publishing 
D) pull publishing 
A) data acquisition 
B) reporting 
C) push publishing 
D) pull publishing

Question 16

________ is an open source program supported by the Apache Foundation that manages thousands of computers and that implements MapReduce.

Accepted Answer

A) Hadoop 
B) BigData 
C) Linux 
D) Apache Wave 
A) Hadoop 
B) BigData 
C) Linux 
D) Apache Wave

Question 17

________ is the process of sorting, grouping, summing, filtering, and formatting structured data.

Accepted Answer

A) Push publishing 
B) Publish results 
C) Cloud computing 
D) Reporting analysis 
A) Push publishing 
B) Publish results 
C) Cloud computing 
D) Reporting analysis

Question 18

________ is the application of statistical techniques to find patterns and relationships among data for classification and prediction.

Accepted Answer

A) Data encryption 
B) Data warehousing 
C) Data mining 
D) Data decryption 
A) Data encryption 
B) Data warehousing 
C) Data mining 
D) Data decryption

Question 19

Users in a data mart obtain data that pertain to a particular business function from a data warehouse.

Accepted Answer

A) True 
 B)False

Question 20

If the granularity of certain data is too coarse, the data can be separated into constituent parts using statistical techniques.

Accepted Answer

A) True 
 B)False

Exam 9: Business Intelligence Systems

Users in a data mart obtain data that pertain to a particular business function from a ________.

The source, format, assumptions and constraints, and other facts concerning certain data are called ________.

Data analysts who work with data warehouses are experts at data management, data cleaning, data transformation, and data relationships.

Structured data is data in the form of rows and columns.

________ requires users to request business intelligence results.

Which of the following statements is true of BigData?

What is BigData?

BigData has volume, velocity, and variation characteristics that far exceed those of traditional reporting and data mining.

Which of the following statements is true of Hadoop?

Which of the following problems is particularly common for data that have been gathered over time?

The granularity in clickstream data is too coarse.

Which of the following activities in the business intelligence process involves delivering business intelligence to the knowledge workers who need it?

Static reports are business intelligence documents that are updated at the time they are requested.

The curse of dimensionality states that the more attributes there are, the more difficult it is to build a model that fits the sample data.

Which of the following is a fundamental category of business intelligence (BI)analysis?

________ is an open source program supported by the Apache Foundation that manages thousands of computers and that implements MapReduce.

________ is the process of sorting, grouping, summing, filtering, and formatting structured data.

________ is the application of statistical techniques to find patterns and relationships among data for classification and prediction.

Users in a data mart obtain data that pertain to a particular business function from a data warehouse.

If the granularity of certain data is too coarse, the data can be separated into constituent parts using statistical techniques.

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