BUS 365 WEEK 3 QUIZ 2 CHAPTER 3
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BUS 365 WEEK 3 QUIZ 2 CHAPTER 3
Multiple Choice
1. __________ consists of powerful software tools to discover
and extract knowledge from text documents.
a) Document mining
b) Master data management
c) Knowledge mining
d) Text mining
2. What is the goal of data management?
a) To store data and documents in multiple locations to insure
that they are accessible to everyone on demand.
b) To capture financial data in real-time from transactions and
Web sites.
c) To provide the infrastructure and tools to transform raw data
into usable corporate information of the highest quality.
d) To link databases of supply chain partners so all data can be
shared.
3. As a general rule, in order to maximize earnings, companies
invest in data management technologies that increase:
a) the opportunity to earn revenues.
b) the ability to cut expenses.
c) employee turnover.
d) both a and b
4. Which of the following is not a reason why managers and
information workers may be constrained by data?
a) data are incomplete
b) data are stored in a data warehouse
c) data are out of context
d) data are so overwhelming that they require too much time to
analyze
5. In the healthcare industry, data errors __________.
a) increase healthcare costs by billions of dollars
b) have minimized healthcare costs
c) have no impact on patient care
d) have been eliminated by the use of data warehousing
6. Each year, billions of dollars are wasted in the healthcare
supply chain because of the lack of __________.
a) data synchronization
b) data processing
c) real-time data
d) document management
7. __________ is a structured approach for capturing, storing,
processing, integrating, distributing, securing, and archiving data effectively
throughout their life cycle.
a) Data mining
b) Data management
c) Metadata
d) Data visualization
8. According to the principle of __________, the more recent the
data, the more valuable they are.
a) data uncertainty
b) 90/90 data use
c) diminishing data value
d) data in context
9. According to the principle of __________, data must be
integrated, processed, analyzed, and formatted into “actionable information.”
a) data uncertainty
b) 90/90 data use
c) diminishing data value
d) data in context
.
10. According to the principle of __________, a majority of data
lose much of their value after three months.
a) data uncertainty
b) 90/90 data use
c) diminishing data value
d) data in context
11. Although vendors may claim that their __________ solution
creates “a single version of the truth,” this claim is probably not true.
a) master data management
b) RFID
c) data mining
d) client/server
12. Which is not a benefit of having a unified view of
customers?
a) More accurate customer data to support marketing, sales,
support, and service initiatives.
b) Better responsiveness to ensure that customer service
representatives have up-to-date, reliable information on the customers.
c) Faster transaction processing by organizing the data in one
location.
d) Better revenue management and more responsive business
decisions.
13. Businesses that collect data about employees and customers
have the legal duty to __________.
a) destroy that data after 30 days
b) protect that data
c) retain that data for seven years
d) Both a and b
14. All companies create __________, which are
documents that record business activities and functions such as contracts,
research and development, accounting source documents, memos, and
customer/client communications.
a) business records
b) transactions
c) computer files
d) databases
15. A computer system organizes data into a hierarchy that
begins with __________, which are the smallest unit of data a computer can
process.
a) bits
b) attributes
c) fields
d) bytes
16. Customer name, invoice number, and order date are examples
of __________.
a) attributes
b) bytes
c) sectors
d) primary keys
17. Which of the following best represents a unique identifier
field or primary key?
a) zip code
b) customer last name
c) product type
d) product ID
18. Records can be arranged in several ways on a storage medium.
The arrangement of records determines:
a) how individual records can be accessed.
b) how long it takes to access records.
c) how individual records can be accessed and how long it takes
to access them.
d) the storage media used for storage.
19. In __________ file organization, which is the way files are
organized on tape, data records must be retrieved in the same physical sequence
in which they are stored.
a) direct
b) random
c) sequential
d) primary
20. Magnetic tape uses __________ file organization, whereas
magnetic disks and DVDs use __________ file organization.
a) sequential; direct
b) primary; secondary
c) random; direct
d) random; sequential
21. __________ programs can provide access to all organizational
data and overcome many of the problems associated with data file environments.
a) Sequential data
b) Database management
c) Business record
d) ISAM
22. Disadvantages of centralized databases are all of the
following except:
a) they are vulnerable to a single point of failure.
b) when users are widely dispersed and need data manipulations,
they can experience transmission delays.
c) when the centralized database computer fails to function
properly, all users are affected.
d) much more expensive to set up and maintain than a distributed
database.
23. An advantage of __________ is that they provide the response
speed of localized files without the need to replicate all changes in multiple
locations.
a) centralized databases
b) replicated databases
c) partitioned databases
d) file systems
24. Database management systems range in size and capabilities
from the simple __________ to full-featured __________ solutions.
a) Microsoft Access; Oracle
b) Microsoft Excel; Microsoft Access
c) LANs; DB2
d) Oracle; DB2
25. Which is not an advantage and capability of a DBMS?
a) security
b) audit trail
c) backup
d) physical view
26. Being a smart
company involves each of the following except:
a) having on-demand access to relevant data.
b) being able to understand the data, usually with the help of
data visualization tools.
c) organizing data in a centralized database management system.
d) using what you learn from the data to increase productivity
or profitability.
27. The main difference between a database and data warehouse is
that:
a) databases are designed and optimized to store data, whereas
data warehouses are designed and optimized to respond to analysis questions
that are critical for a business.
b) databases are designed and optimized to analyze data, whereas
data warehouses are designed and optimized to store data for sharing.
c) databases are designed to detect trends in the data, whereas
data warehouses are designed to support supply chains.
d) databases are designed to support traditional commerce,
whereas data warehouses are designed to support e-commerce.
28. __________ for banking and debit cards are designed to
ensure that every transaction gets recorded and processed online and in
real-time.
a) File systems
b) Database systems
c) OLAP systems
d) Data warehouses
29. A financial institution’s databases are __________ because
every deposit, withdrawal, loan payment, or other transaction adds or changes
data, which makes data analysis __________.
a) poor quality; unnecessary
b) high quality; easy
c) volatile; too difficult
d) volatile; easy
30. Data warehouses are designed as __________ systems, meaning
that the data can be queried and analyzed much more efficiently than online
databases.
a) online transaction processing (OLTP)
b) online analytical processing (OLAP)
c) real-time transaction
d) ETL
31. The credit card company Capital One uses __________ to track
each customer’s profitability and uses that score to determine the level of
customer service.
a) OLTP
b) a centralized database
c) strategic database management systems
d) active data warehousing
32. Which of the following statements about data warehousing is
false?
a) Data in the data warehouse are constantly updated and
volatile.
b) Many organizations built data warehouses because they were
frustrated with inconsistent decision support data.
c) Data warehouses are infrastructure investments that companies
make to support current and future decision making.
d) Data warehouses deliver information more effectively and
efficiently than database systems.
33. Which is not a characteristic of a data warehouse?
a) Data are organized by subject, such as customer, vendor, or
product.
b) Data are coded in a consistent manner.
c) Data are kept for many years to be used for identifying
trends, forecasting, and comparisons over time.
d) Most applications of data warehousing are in real-time.
34. An extremely economical and effective method of delivering
data from a data warehouse to decision makers throughout the enterprise is via
__________.
a) data marts
b) data cubes
c) an intranet
d) operational data stores
35. Data warehousing is most appropriate for organizations that
any of the following characteristics except:
a) end users need to access large amounts of data.
b) the organization serves a large, diverse customer base.
c) end-users perform a lot of data analysis.
d) operational data needed to support business processes are
centralized.
36. The high costs of data warehouses can make them too
expensive for a company to implement. As an alternative, many firms create
lower-cost, scaled-down __________.
a) data marts
b) data stores
c) multidimensional databases
d) SBUs
37. Advantages of data marts over data warehouses are all of the
following except:
a) data marts require shorter lead times for implementation,
often less than 90 days.
b) data marts allow for local rather than central control,
giving end-users more power or control.
c) data marts have higher quality and more complete enterprise
data.
d) data marts are easier to understand and navigate because they
contain less data.
38. Despite their potential benefits, implementations of large
data warehouses may fail. Reasons for data warehousing failures are all of the
following except:
a) vendors overselling capabilities.
b) lack of attention to cultural issues.
c) poor data quality.
d) integration with operations.
39. __________ are facilities containing mission-critical ISs
and components that deliver data and IT services to the enterprise.
a) Data servers
b) Data marts
c) Data centers
d) Data warehouses
40. A(n) __________ is
a database for transaction processing systems (TPSs) that uses data warehouse
concepts to provide clean data.
a) data mart
b) operational data store
c) strategic data store
d) multidimensional database
41. Companies implement __________ systems to retain and archive
their business records that are not needed for current operations or decisions,
but that must be accessible for legal or auditing obligations.
a) electronic records management
b) database management
c) archive management
d) infrastructure management
42. To be retrievable, a company’s electronic records must be
__________ like structured data in a database.
a) organized
b) indexed
c) organized and indexed
d) organized, indexed, and encrypted
43. Creating backups of records is not a form of electronic records
management (ERM) because:
a) the content on backups is not organized so that it can be
accurately and easily retrieved.
b) business records and documents may need to be modified.
c) records and documents cannot be stored together.
d) the requirement to save records is new.
44. Nearly __________ percent of U.S. corporations become
engaged in lawsuits and at any one time, the average $1 billion company in the
U.S. faces 147 lawsuits.
a) 25
b) 50
c) 75
d) 90
45. __________ is the process of finding, gathering, and
filtering of electronic files and information in preparation for trial, legal
or regulatory investigation, or administrative action as required by law.
a) Archiving
b) Discovery
c) Electronic discovery
d) Litigation
True/False
46. Data management is important because no enterprise can be
effective without high quality data that is accessible when needed.
47. A spreadsheet mistake created an error that cost TransAlta
$24 million because they bought power transmission hedging contracts at higher prices
than it would have if the decision had been based on accurate information.
48. Every day, healthcare administrators and others in the
healthcare supply chain waste up to 10 percent of their time correcting data
errors at an estimated cost of $20 per error to correct.
49. According to the principle of 90/90 data use, most
organizations cannot operate at peak performance with blind spots (lack of data
availability) of 90 days or longer.
50. According to the 90/90
data-use principle, a majority of stored data, as high as 90
percent, is frequently accessed after 90 days.
More Questions are Included
