Deck 3: Data and Knowledge Management

Question 1

Of the following countries, which one has the most expensive but most used mobile data?

A) Africa
B) Brazil
C) India
D) US

Answer 1

D

Question 2

Jana's mCent aims to provide free mobile data to users throughout the world. This solution to the internet access problem is called ___________.

A) a mobile hotspot
B) green IT
C) sponsored data
D) the digital gap reduction

Answer 2

C

Question 3

A data file is a collection of logically related ________.

A) Characters
B) Fields
C) Records
D) Tables

Answer 3

C

Question 4

__________ is an entry point to the mobile Web that allows marketers to send ads to mobile users around the world at no cost to the user.

A) Facebook
B) Google
C) Hadoop
D) Jana

Question 5

Which of the following is NOT a reason managing data is difficult?

A) Data are scattered throughout organizations.
B) Data security is easily jeopardized.
C) Data is consistent across different systems but difficult to secure.
D) The amount of data increases exponentially over time.

Question 6

_______________ is a set of programs that provide users with tools to create and manage a database.

A) A DBMS
B) An ERP
C) Data governance
D) Master data management

Question 7

From smallest to largest, which of the following is the correct order of the hierarchy of data for a computer-based file?

A) bit, byte, field, record, file, database
B) bit, byte, record, field, file, database
C) byte, bit, field, record, file, database
D) byte, bit, record, field, file, database

Question 8

Which of the following is NOT a reason managing data is difficult?

A) Data are generated from multiple sources.
B) Data is usually structured but hard to identify.
C) It is difficult to comply with federal regulations.
D) Media degrades or gets replaced over time.

Question 9

20 percent of all ER visits paid for by Medicaid are _____________.

A) attributed to patients going to the ER more than 4 times a year
B) for common issues like flu, headaches, and colds
C) not necessary
D) the result of doctors misdiagnosing patients

Question 10

Which of the following companies was NOT mentioned in the "Giving Data Away for Free" as having used zero-rating for some time?

A) Facebook
B) Google
C) Twitter
D) WhatsApp

Question 11

One strategy for implementing _________ is ___________.

A) data governance; business-IT alignment
B) data governance; master data management
C) master data management; business-IT alignment
D) master data management; data governance

Question 12

Database systems minimize data _________.

A) Cost
B) Independence
C) Isolation
D) Security

Question 13

Database systems maximize data _________.

A) Cost
B) Dependence
C) Isolation
D) Security

Question 14

Your phone number is an example of a _________.

A) Byte
B) Character
C) Field
D) Record

Question 15

___________ data are applied to multiple transactions and are used to categorize, aggregate, and evaluate the __________ data.

A) master; summary
B) master; transaction
C) transaction; master
D) transaction; summary

Question 16

Sarbanes-Oxley holds _______ personally responsible for __________ disclosures.

A) CFOs; financial
B) CFOs; IT
C) CIOs; financial
D) CIOs; IT

Question 17

If your database system is designed to ensure there are no alphabetic characters in a phone number, this is maximizing data _______.

A) Independence
B) Integrity
C) Isolation
D) Security

Question 18

The state of Washington is using ___________ to reduce Medicaid costs.

A) a CRM system
B) a Database
C) an ERP system
D) virtual reality

Question 19

A ___________ is the smallest unit of data in the hierarchy of data for a computer-based file.

A) Bit
B) Byte
C) Character
D) Field

Question 20

Microsoft __________ is a popular example of a relational database.

A) Access
B) Excel
C) Office
D) Word

Question 21

A ____________ key uniquely identifies a record.

A) Foreign
B) Primary
C) Secondary
D) Tertiary

Question 22

Your last name is a ____________ key.

A) Foreign
B) Primary
C) Secondary
D) Tertiary

Question 23

"The number of messages on Twitter is growing at 200 percent every year." This is the _____ characteristic of Big Data.

A) Variety
B) Velocity
C) Veracity
D) Volume

Question 24

In 2000, _____ percent of the stored information in the world was digital. By 2015, ___ percent of the stored information in the world was digital.

A) 5; 75
B) 25; 98
C) 39; 80
D) 40; 87

Question 25

Big Data is about _______.

A) complexity
B) history
C) predictions
D) size

Question 26

Comments posted on social networking sites illustrate the ________ characteristic of Big Data.

A) Variety
B) Velocity
C) Veracity
D) Volume

Question 27

To help fight the Ebola outbreak in Africa in 2013 and 2014, companies in Africa partnered with _____.

A) Facebook
B) Google
C) IBM
D) SAP

Question 28

John Smith is a customer of XYZ Co. In the database, John Smith is a(n) _________.

A) Entity
B) Field
C) Instance
D) Table

Question 29

Which of the following is NOT a characteristic of Big Data?

A) Variety
B) Velocity
C) Veracity
D) Volume

Question 30

TrueCar created a 2-petabyte Hadoop data _________ which stores vast amounts of data in their native (original) format until they are needed, rather than forcing the integration of large volumes of data before analysis.

A) lake
B) ocean
C) pond
D) river

Question 31

Which of the following is NOT a problem associated with Big Data?

A) Accuracy
B) Security
C) Trustworthiness
D) Unchanging

Question 32

Which of the following is FALSE of TrueCar's use of Hadoop?

A) TrueCar's analytics now include dark data.
B) TrueCar created a data lake to store information.
C) TrueCar makes money from exhaust data.
D) TrueCar uses a data river to collect information.

Question 33

Which of the following is NOT true of Big Data?

A) It includes structured, unstructured, and semi-structured data.
B) It is generated at high velocity with an uncertain pattern.
C) Relational databases easily handle Big Data.
D) Sophisticated information systems capture, process, transform, and analyze Big Data.

Question 34

A customer number in an order table would be a __________ key.

A) Foreign
B) Helpful
C) Primary
D) Useless

Question 35

Today many organizations employ _________ databases to process Big Data.

A) NoSQL
B) Oracle
C) SAP
D) SQL

Question 36

The amount of data produced worldwide is increasing by ___ percent each year.

A) 25
B) 50
C) 75
D) 100

Question 37

Data _________ is a problem with implementing Hadoop.

A) analysis
B) efficiency
C) overload
D) security

Question 38

IBM's cloud-based analytics software incorporated data from a number of sources during the Ebola outbreak in Africa to create a(n) __________.

A) Ebola zone
B) Google map
C) Heatmap
D) WHO tracker

Question 39

A __________ generally describes an entity.

A) Byte
B) Field
C) Record
D) Table

Question 40

"In 2015, Google was processing more than 27 petabytes of data every day." This is the _____ characteristic of Big Data.

A) Variety
B) Velocity
C) Veracity
D) Volume

Question 41

Performance Bicycle added a knowledge management system to capture _______ knowledge for the benefit of _________.

A) employee; customers
B) employee; suppliers
C) customer; employees
D) supplier; employees

Question 42

Most students in your major try to avoid a few professors because their classes seem to be harder for some reason. This is an example of _______ knowledge.

A) Explicit
B) Intuitive
C) Professor
D) Tacit

Question 43

____________ is used to track marijuana production in Colorado.

A) A data warehouse
B) A knowledge management system
C) ETL
D) RFID

Question 44

One way to perform data integration is through _________.

A) DSS
B) EIS
C) ETL
D) OLTP

Question 45

Flatiron Health decided the most pressing need in cancer treatment was __________.

A) to ensure physicians are using electronic medical records rather than writing by hand or using audio recordings
B) to organize the massive volumes of clinical data that are scattered in the filing systems of oncology treatment centers throughout the country
C) to reduce the costs of cancer treatments for patients around the world by helping doctors and insurance agencies communicate more effectively
D) to update incompatible systems and strict privacy regulations that make it difficult to share data among oncology practices

Question 46

Compared to data warehouses, data marts are NOT ________.

A) Easier to use
B) Implemented more quickly
C) Lower cost
D) Scaled down

Question 47

A data ___________ is a low-cost, scaled down version of a data ___________ that is designed for the end-user needs in a SBU or an individual department.

A) mart; warehouse
B) mart; store
C) warehouse; mart
D) warehouse; store

Question 48

_________ are information consumers.

A) Analysts
B) Customers
C) IT developers
D) Janitors

Question 49

Colorado implemented RFID to track its marijuana production. Which of the following is NOT a problem these RFID tags fixed?

A) accountability
B) cost-effectiveness
C) efficiency
D) legality

Question 50

Which of the following Big Data characteristics is NOT a problem for cancer treatment centers?

A) Variety
B) Velocity
C) Veracity
D) Volume

Question 51

Knowledge management is a process that helps organizations manipulate important knowledge that comprises part of the organization's memory, usually in a(n) ________ format.

A) semi-structured
B) structured
C) uni-structured
D) unstructured

Question 52

_________ are information producers.

A) Frontline workers
B) Information workers
C) IT developers
D) Managers and executives

Question 53

Electronic medical records __________ addressed the data aggregation and integration issue in the health care field; more than ______ percent of US medical records remain in hard-copy format.

A) have; 5
B) have; 25
C) have not; 5
D) have not; 25

Question 54

Performance Bicycle implemented a _______ to improve its business.

A) business intelligence system
B) database
C) data warehouse
D) knowledge management system

Question 55

Which of the following is NOT a source system for a data warehouse?

A) DSS
B) ERP
C) OLTP
D) POS

Question 56

Intellectual capital is another term for ____________.

A) Data
B) Information
C) Knowledge
D) Wisdom

Question 57

Which of the following is the correct order of the KMS cycle?

A) capture, create, refine, store, manage, disseminate
B) capture, create, refine, store, disseminate, manage
C) create, capture, refine, store, disseminate, manage
D) create, capture, refine, store, manage, disseminate

Question 58

The ____________ architecture contains a central data warehouse that stores data with multiple dependent data marts.

A) centralized
B) data dependence
C) hub and spoke
D) wheel

Question 59

Your course syllabus is an example of __________ knowledge.

A) Explicit
B) Legal
C) Professor
D) Tacit

Question 60

Which of the following is NOT a reason an organization would use a data warehouse or data mart rather than a database?

A) A database's information is organized in a way that makes it easy to answer a query, but data warehouses and data marts are faster.
B) Data warehouses and data marts are read-only so extra processing of transactions is not necessary.
C) Databases access single records at a time, but data warehouses and data marts can access large groups of related records.
D) Queries may degrade the performance of a database since they are potentially processing millions of transactions every day.

Question 61

Tacit knowledge is easier to communicate to others than explicit knowledge.

Question 62

A byte is the smallest piece of data in a data hierarchy.

Question 63

The rapid increase in the number of new smartphones in developing countries has been accompanied by a corresponding increase in mobile marketing.

Question 64

Decisions about data last longer, and have a broader impact, than decisions about hardware and software.

Question 65

Big Data predictions come from teaching computers to think like humans.

Question 66

To reduce Medicaid costs, Washington State and hospitals compromised by implementing a database to track patient visits to the ER.

Question 67

At its core, Sarbanes-Oxley is a federal regulation that helps control IT.

Question 68

Practically, users should not have access to databases.

Question 69

The goal of master data management is to get rid of information silos.

Question 70

Hadoop allows TrueCar to work with rapidly increasing amounts of data in an economical way.

Question 71

The independent data mart is not particularly effective because it creates information silos.

Question 72

Master data and transaction data are synonymous.

Question 73

Companies are drowning in data.

Question 74

Performance Bicycle implemented a knowledge management system to help employees and customers share their love of their cycling lifestyle.

Question 75

The term "Big Data" refers simply to the amount of data available, hence being "big".

Question 76

RFID implementation does not have any negative consequences for Colorado marijuana growers since RFID is so cheap and easy to use.

Question 77

Hadoop helped overcome the Ebola outbreak in Africa by making it easier to analyze data from many different sources.

Question 78

IT people should be the ones solely responsible for creating data models.

Question 79

The price of mobile data is the same for developing and developed countries.

Question 80

Relational databases reduce the data redundancy found in flat files.