Deck 5: Data and Knowledge Management

Question 1

Online analytical processing involves the analysis of accumulated data by end users.

Answer 1

True

Question 2

The management of data across the entire organization is most accurately defined as:

A) Data integration.
B) Data control.
C) Data governance.
D) Data administration.

Answer 2

C

Question 3

A relational database typically consists of one large two-dimensional table.

Answer 3

False

Question 4

The use of databases enables organizations to (choose all that apply):

A) Eliminate data redundancy.
B) Minimize data isolation.
C) Minimize data inconsistency.
D) Minimize data security risks.
E) Eliminate data integrity.

Question 5

Which of the following problems do organizations face when managing data?

A) Collecting the vast amounts of data that are being generated
B) Storing the data that are being collected
C) Processing and analyzing the data that are being stored
D) All of these

Question 6

Data redundancy refers to:

A) Storing data in a single central location.
B) Sharing data with others.
C) Having copies of the same data in multiple locations.
D) All of these

Question 7

____ is the cumulative store of subjective or experiential learning.

A) Tacit knowledge
B) Explicit knowledge
C) Intellectual capital
D) None of these

Question 8

Knowledge management systems (KMS) are used by organizations to capture, store, and disseminate knowledge within the organization.

Question 9

NoSQL databases can process both structured and unstructured data.

Question 10

In the United States, federal law requires companies to store, evaluate, and disclose financial data for fixed periods of time, even if the company no longer has any use for the data.

Question 11

The term "data rot" refers to

A) Data that no longer serve a purpose.
B) The deterioration of the medium on which the data are stored.
C) Data that are irrelevant or contain errors.
D) All of these

Question 12

A data model is the diagrammatic representation of a database that clearly defines a database's ___ , ____ and ____.

A) Entities, attributes, relationships.
B) Entity classes, hierarchy, files.
C) Data hierarchy, data attributes, data files.
D) Entity classes, entity attributes, entity files.

Question 13

_____ is a method for analyzing and reducing a relational database to its most streamlined form.

A) Structured query
B) Normalization
C) Query-by-example
D) Relational analysis

Question 14

Operational data that are constantly updated are stored in:

A) Data warehouses.
B) Data marts.
C) Databases.
D) All of these

Question 15

A standardized language used to manipulate data is _____.

A) MS-Access
B) Oracle
C) Query-by-example language
D) None of these

Question 16

A database must be associated with only one computer program or information system.

Question 17

A data warehouse is a low-cost, scaled-down version of a data mart designed for the end-user needs in a department in a large organization.

Question 18

The data dictionary stores definitions of data elements, characteristics that use the data elements, physical representation of the data elements, data ownership, and security.

Question 19

A group of related fields is generally called a data file.

Question 20

Social data is not a form of big data.

Question 21

_____ is a process that helps organizations identify, select, organize, disseminate, transfer, and apply expertise that is part of the organization's memory and typically resides inside the organization in an unstructured manner.

A) Discovery
B) Knowledge management
C) Decision support
D) Data mining