4D - Data Management and Relationships
Data governance policies and procedures are driven by:
a. the data governance committee.
b. data owners.
c. the chief data officer.
d. data stewards. - correct answer-d. data stewards.
The "who" in data governance includes:
I. data stewards.
II. the chief data officer.
III. data owners.
IV. all the employees of the organisation.
a. I and II
b. I, II, and III
c. II, III, and IV
d. I, II, III, and IV - correct answer-b. I, II, and III
The acronym "CDO" in data governance stands for the:
a. chief data owner.
b. communications duty officer.
c. central disbursing officer.
d. chief data officer. - correct answer-d. chief data officer.
Which of the following statements about data governance is false?
a. Data governance ensures accountability and ownership of data assets.
b. Data governance protects customers' private data.
c. Data governance improves compliance with data regulations.
d. Data governance keeps the organization's reputation intact. - correct answer-d. Data
governance keeps the organization's reputation intact.
One of the first steps in the creation of a database is to:
a. define common variables and their attributes used throughout the firm.
b. obtain software that will facilitate data retrieval.
c. integrate the accounting system into the database.
d. study the need for a larger central processing unit. - correct answer-a. define common
variables and their attributes used throughout the firm.
Data extraction tools do not:
, a. identify necessary data from disparate sources.
b. provide reusable templates designed to create output files that can be applied to any
structured document of the same layout.
c. extract data on a large scale.
d. None of the answer choices are correct. - correct answer-b. provide reusable templates
designed to create output files that can be applied to any structured document of the same
layout.
A compiler is:
a. a procedure-oriented language.
b. a machine that translates the assembler program to machine language.
c. a program that converts high-level programming language into machine language.
d. a program that converts symbolic language to machine language. - correct answer-c. a
program that converts high-level programming language into machine language.
Which of the following terms is used to describe the unique attribute that identifies a specific
record in a table?
a. A foreign key
b. A primary key
c. A secondary key
d. A schema - correct answer-b. A primary key
Which of the following statements about "big data" is incorrect?
a. Big data can be analyzed for insights that lead to better decisions and strategic business
moves.
b. Traditional processing techniques can successfully analyze big data sets.
c. "Big data" is a term that describes the large volume of diverse and complex data available
to businesses on a day-to-day basis.
d. Big data uses predictive analytics technology to identify the likelihood of future outcomes
based on historical data. - correct answer-b. Traditional processing techniques can
successfully analyze big data sets.
Which of the following definitions describes data visualization?
a. A digitized, decentralized, public ledger of all cryptocurrency transactions
b. Any effort to help people understand the significance of data by placing it in a visual
format, aiding in the understanding and communication of difficult concepts and ideas
c. Often defined by the three "V's": volume, velocity, and variety
d. Rapidly examines large amounts of data to identify hidden patterns, correlations, and
other insights - correct answer-b. Any effort to help people understand the significance of
data by placing it in a visual format, aiding in the understanding and communication of
difficult concepts and ideas
Data cleansing involves all of the following except:
Data governance policies and procedures are driven by:
a. the data governance committee.
b. data owners.
c. the chief data officer.
d. data stewards. - correct answer-d. data stewards.
The "who" in data governance includes:
I. data stewards.
II. the chief data officer.
III. data owners.
IV. all the employees of the organisation.
a. I and II
b. I, II, and III
c. II, III, and IV
d. I, II, III, and IV - correct answer-b. I, II, and III
The acronym "CDO" in data governance stands for the:
a. chief data owner.
b. communications duty officer.
c. central disbursing officer.
d. chief data officer. - correct answer-d. chief data officer.
Which of the following statements about data governance is false?
a. Data governance ensures accountability and ownership of data assets.
b. Data governance protects customers' private data.
c. Data governance improves compliance with data regulations.
d. Data governance keeps the organization's reputation intact. - correct answer-d. Data
governance keeps the organization's reputation intact.
One of the first steps in the creation of a database is to:
a. define common variables and their attributes used throughout the firm.
b. obtain software that will facilitate data retrieval.
c. integrate the accounting system into the database.
d. study the need for a larger central processing unit. - correct answer-a. define common
variables and their attributes used throughout the firm.
Data extraction tools do not:
, a. identify necessary data from disparate sources.
b. provide reusable templates designed to create output files that can be applied to any
structured document of the same layout.
c. extract data on a large scale.
d. None of the answer choices are correct. - correct answer-b. provide reusable templates
designed to create output files that can be applied to any structured document of the same
layout.
A compiler is:
a. a procedure-oriented language.
b. a machine that translates the assembler program to machine language.
c. a program that converts high-level programming language into machine language.
d. a program that converts symbolic language to machine language. - correct answer-c. a
program that converts high-level programming language into machine language.
Which of the following terms is used to describe the unique attribute that identifies a specific
record in a table?
a. A foreign key
b. A primary key
c. A secondary key
d. A schema - correct answer-b. A primary key
Which of the following statements about "big data" is incorrect?
a. Big data can be analyzed for insights that lead to better decisions and strategic business
moves.
b. Traditional processing techniques can successfully analyze big data sets.
c. "Big data" is a term that describes the large volume of diverse and complex data available
to businesses on a day-to-day basis.
d. Big data uses predictive analytics technology to identify the likelihood of future outcomes
based on historical data. - correct answer-b. Traditional processing techniques can
successfully analyze big data sets.
Which of the following definitions describes data visualization?
a. A digitized, decentralized, public ledger of all cryptocurrency transactions
b. Any effort to help people understand the significance of data by placing it in a visual
format, aiding in the understanding and communication of difficult concepts and ideas
c. Often defined by the three "V's": volume, velocity, and variety
d. Rapidly examines large amounts of data to identify hidden patterns, correlations, and
other insights - correct answer-b. Any effort to help people understand the significance of
data by placing it in a visual format, aiding in the understanding and communication of
difficult concepts and ideas
Data cleansing involves all of the following except:
