Deck 3: Data and Knowledge Management

Question 1

An attribute is any characteristic or quality that describes a particular entity.

Answer 1

True

Question 2

An entity is a person, place, thing, or event about which information is maintained.

Answer 2

True

Question 3

Master data are generated and captured by operational systems.

Answer 3

False

Question 4

The secondary key is a field that identifies a record with complete uniqueness.

Question 5

It is important for applications and data to be dependent on each other.

Question 6

Today, large corporations are able to process big data but only at great expense.

Question 7

Managing data effectively is inexpensive for organizations.

Question 8

A negative value for a student's grade point average is an example of a data integrity problem.

Question 9

Data rot refers to the quality of the data itself.

Question 10

Refer to IT's About Business 3.2 - Google's Knowledge Graph: Google's knowledge graph has been integrated into YouTube where it is used to organize videos and make suggestions to users.

Question 11

It is easy to manage all the data coming into an organization.

Question 12

Increasing amounts of external data need to be considered in making organizational decisions.

Question 13

The best way to capture the data in an organized format is to use a database.

Question 14

In a data warehouse, existing data are constantly purged as new data come in.

Question 15

Refer to IT's About Business 3.3 - The MetLife Wall: MetLife uses the Wall to store employment resumes for later review.

Question 16

Big data can only come from a trusted source.

Question 17

Big Data has three distinct characteristics that distinguish it from traditional data.

Question 18

Big Data is easy to define.

Question 19

You would be an instance of your university's STUDENT class.

Question 20

The relational database model is based on the concept of three-dimensional tables.

Question 21

When you start a job, you watch what other employees are doing and ask them to explain why they do it in a particular way. They are sharing their tacit knowledge.

Question 22

Explicit knowledge refers to the cumulative store of subjective learning, which is personal and hard to formalize.

Question 23

Which of the following is not a reason why managing data is difficult over time?

A)New systems are developed.
B)The media the data are stored on becomes problematic.
C)New sources of data are created.
D)The amount of data increases exponentially.
E)All of these are reasons why managing data is difficult over time.

Question 24

Refer to IT's About Business 3.4 - Data Warehouse Gives Nordea Bank a Single Version of the Truth: The data warehouse enables Nordea to develop a customer profitability application for its final managers.

Question 25

Data marts are designed for the end-user needs in a strategic business unit or department.

Question 26

_____ is a formal approach to managing data consistently across an entire organization.

A)Database management
B)Enterprise information management
C)Data warehousing
D)Data governance
E)Data mart

Question 27

When you start a job, you are given an employee handbook which contains the company's tacit knowledge.

Question 28

Tacit knowledge is the more objective, rational, and technical types of knowledge.

Question 29

Refer to IT's About Business 3.1 - New York City Opens Its Data to All: Which is not a goal of New York's Open data policy?

A)Providing information so users of the data can track others.
B)Permiting anyone with the proper skills to utilize the data to improve the city's quality of life.
C)Permiting users to overlay data on gang activity and available youth programs.
D)Performing in-depth analysis of traffic crashes.

Question 30

Which of the following are requirements under the Sarbanes-Oxley act? (check all that apply)

A)Public companies must evaluate and disclose the effectiveness of their internal financial controls.
B)Companies must hire independent auditors to verify the disclosures.
C)IT employees are held personally responsible for the release and validity of all filings.
D)Company officers can be held personally liable if the company lacks satisfactory data management policies.
E)Companies will not be held liable if a security breach occurs.

Question 31

An organization's data warehouse generally maintains its operational data.

Question 32

Organizations are turning to data governance for which of the following reasons?

A)They have too little data.
B)They are responding to federal regulations.
C)Their data are typically structured.
D)Their data are usually located in the organization's databases.
E)Data across their organizations are generally consistent.

Question 33

Which of the following has the broadest impact on an organization?

A)Decisions about hardware.
B)Decisions about software
C)Decisions about data
D)All of the above have an equal impact.

Question 34

You have a checking account and a separate savings account in your neighborhood bank. You've recently moved and gave the bank your new address for your checking account. You forgot all about the savings account. About three months later you receive a letter about your savings account which was sent to the wrong address. This is an example of __________.

A)Data redundancy
B)Data inconsistency
C)Data isolation
D)Data security
E)Data dependence.

Question 35

_____ describe(s)the activities of the business, whereas _____ categorize(s), aggregate(s), and evaluate(s)data generated by the organization's activities.

A)Transaction data, master data
B)Source data, transaction data
C)Operational data, master data
D)Master data, source data
E)Business dimensional data, databases

Question 36

_________ occurs when various copies of the data agree.

A)Data isolation
B)Data integrity
C)Data consistency
D)Data redundancy
E)Application/Data dependence

Question 37

Refer to IT's About Business 3.1 - New York City Opens Its Data to All: What does New York's "Open Data Policy and Technical Standards Manual" do?

A)Defines how the city's network works.
B)Details how city agencies can gather, structure, and automate data flows to comply with local law.
C)Provides personal information to the press.
D)Merges city data with data other cities.

Question 38

_____ provide(s)companies with a single version of the truth for their data.

A)Data warehouses
B)Data marts
C)Databases
D)Master data management
E)Enterprise information management

Question 39

________ occurs when applications cannot access data associated with other applications.

A)Data isolation
B)Data integrity
C)Data consistency
D)Data redundancy
E)Application/Data dependence

Question 40

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

Question 41

As an individual student in your university's student database, you are a(n)_____ of the STUDENT class.

A)instance
B)individual
C)representative
D)entity
E)relationship

Question 42

The data in a data warehouse ___________.

A)are updated constantly in real time.
B)are updated in batch mode, approximately once per day.
C)are not updated.
D)are purged constantly as new data enter.
E)are available for MIS analysts, but not users.

Question 43

In a database, the primary key field is used to _____.

A)specify an entity
B)create linked lists
C)identify duplicated data
D)uniquely identify a record
E)uniquely identify an attribute

Question 44

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

A)Discovery
B)Knowledge management
C)Decision support
D)Online analytical processing
E)Data mining

Question 45

What are the three distinct characteristics that distinguish big data from traditional data?

A)volume, variety and veracity
B)volume, velocity and verification
C)volume, velocity and variety
D)volume, verification and variety

Question 46

A(n)_____ is a logical grouping of related fields.

A)Byte
B)Field
C)Record
D)File
E)Database

Question 47

Explicit knowledge has which of the following characteristics?

A)objective
B)personal
C)slow
D)costly to transfer
E)ambiguous

Question 48

_____ can be exercised to solve a problem, whereas _____ may or may not be able to be exercised to solve a problem.

A)Knowledge, information
B)Data, information
C)Information, data
D)Information, knowledge
E)Data, knowledge

Question 49

A(n)_____ is a logical grouping of related records.

A)Byte
B)Field
C)Record
D)File
E)Database

Question 50

The data in a data warehouse have which of the following characteristics?

A)They are organized by subject.
B)They are coded in different formats.
C)They are updated in real time.
D)They are typically retained for a defined, but limited, period of time.
E)They are organized in a hierarchical structure.

Question 51

Traditional data formats change ______ while big data formats change _______.

A)slowly, rapidly
B)rapidly, slowly
C)slowly, incrementally
D)both formats of data change at the same rate

Question 52

In a university's relational database, the student record contains information regarding the student's last name. The last name is a(n)_________.

A)attribute.
B)entity.
C)primary key.
D)object.
E)file.

Question 53

A(n)_____ is a logical grouping of characters into a word, a small group of words, or a complete number.

A)Byte
B)Field
C)Record
D)File
E)Database

Question 54

_____ are fields in a record that have some identifying information but typically do not identify the record with complete accuracy.

A)Primary keys
B)Secondary keys
C)Duplicate keys
D)Attribute keys
E)Record keys

Question 55

Place the following members of the data hierarchy in their correct order:

A)Bit - byte - field - record - database - file
B)Bit - field - byte - record - file - database
C)Byte - bit - record - field - database
D)Bit - byte - field - record - file - database
E)Bit - record - field - byte - file -- database

Question 56

Which of the following actions is a typical first step that an organization might take towards managing big data?

A)developing data warehouses for decision making.
B)integrating information silos into a database environment.
C)translating databases to NoSQL.
D)purchasing knowledge management systems

Question 57

The process of moving data from various sources into the data warehouse is called _________.

A)uploading.
B)extracting, transforming, and loading.
C)online transaction processing.
D)master data management.
E)online analytical processing.

Question 58

Tacit knowledge has which of the following characteristics?

A)codified
B)objective
C)unstructured
D)rational
E)technical

Question 59

Compared to data warehouses, data marts have which one of the following characteristics?

A)They cost less.
B)They have longer lead times for implementation.
C)They provide for central rather than local control.
D)They contain more information.
E)They are more difficult to navigate.

Question 60

In the data hierarchy, the smallest element is the _____.

A)Record.
B)Bit.
C)Byte.
D)Character.
E)File.

Question 61

The most important benefit of knowledge management systems is _________.

A)They improve customer service.
B)They make best practices available to employees.
C)They enable the organization to retain scarce knowledge when employees retire.
D)They improve employee morale.
E)They make product development more efficient.

Question 62

Historically, management information systems have focused on capturing, storing, managing, and reporting _____ knowledge.

A)tacit
B)explicit
C)managerial
D)geographical
E)cultural