MISY 5360 midterm questions well
answered graded A+
Which of the following statements about Big Data is true?
a. Data chunks are stored in different locations on one computer
b. Hadoop is a type of processor used to process
c. MapReduce’s is a storage filing system
d. Pure Big Data systems do not involve fault tolerance - correct answer ✔✔d. Pure Big Data
systems do not involve fault tolerance
In which stage of extraction, transformation, and load (ETL) into a data warel
a. Transformation
b. Extraction
c. Load
d. Cleanse - correct answer ✔✔a. Transformation
All of the following statements about data mining are true EXCEPT:
a. the process aspect means that data mining should be a one-step process to results.
b. the novel aspect means that previously unknown patterns are discovered.
c. the potentially useful aspect means that results should lead to some business benefit.
d. the valid aspect means that the discovered patterns should hold true on new data.
e. Building the model takes the most time and effort - correct answer ✔✔a. the process aspect
means that data mining should be a one-step process results
For the majority of organizations, a daily accounts receivable transaction is a(n)
, a. Strategic decision
b. Structured decision
c. Unstructured decision
d. Managerial control decision - correct answer ✔✔b. Structured decision
The____________handle a company s routine ongoing business and give management the
ability to scour data from data warehouse for information about the business and use the
analysis to provide tactical or operational decisi support. - correct answer ✔✔Online
transaction processing system
Which kind of data warehouse is created separately from the enterprise data warehouse by a
department an reliant on it for updates?
a. Sectional Data Mart
b. Public Data Mart
c. Independent Data Mart
d. Volatile Data Mart - correct answer ✔✔c. Independent Data Mart
Operational or transaction databases are product oriented, handling transactions that update
the database. In contrast, data warehouses are
a. subject-oriented and nonvolatile.
b. product-oriented and nonvolatile.
c. product-oriented and volatile.
d. subject-oriented and volatile. - correct answer ✔✔a. subject-oriented and nonvolatile.
The data field "salary" can be best described as
a. nominal data.
b. interval data.
c. ordinal data.
answered graded A+
Which of the following statements about Big Data is true?
a. Data chunks are stored in different locations on one computer
b. Hadoop is a type of processor used to process
c. MapReduce’s is a storage filing system
d. Pure Big Data systems do not involve fault tolerance - correct answer ✔✔d. Pure Big Data
systems do not involve fault tolerance
In which stage of extraction, transformation, and load (ETL) into a data warel
a. Transformation
b. Extraction
c. Load
d. Cleanse - correct answer ✔✔a. Transformation
All of the following statements about data mining are true EXCEPT:
a. the process aspect means that data mining should be a one-step process to results.
b. the novel aspect means that previously unknown patterns are discovered.
c. the potentially useful aspect means that results should lead to some business benefit.
d. the valid aspect means that the discovered patterns should hold true on new data.
e. Building the model takes the most time and effort - correct answer ✔✔a. the process aspect
means that data mining should be a one-step process results
For the majority of organizations, a daily accounts receivable transaction is a(n)
, a. Strategic decision
b. Structured decision
c. Unstructured decision
d. Managerial control decision - correct answer ✔✔b. Structured decision
The____________handle a company s routine ongoing business and give management the
ability to scour data from data warehouse for information about the business and use the
analysis to provide tactical or operational decisi support. - correct answer ✔✔Online
transaction processing system
Which kind of data warehouse is created separately from the enterprise data warehouse by a
department an reliant on it for updates?
a. Sectional Data Mart
b. Public Data Mart
c. Independent Data Mart
d. Volatile Data Mart - correct answer ✔✔c. Independent Data Mart
Operational or transaction databases are product oriented, handling transactions that update
the database. In contrast, data warehouses are
a. subject-oriented and nonvolatile.
b. product-oriented and nonvolatile.
c. product-oriented and volatile.
d. subject-oriented and volatile. - correct answer ✔✔a. subject-oriented and nonvolatile.
The data field "salary" can be best described as
a. nominal data.
b. interval data.
c. ordinal data.
