Section Reference: Database Management Systems Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed
Trang 1Chapter 3: Data Management, Big Data Analytics, and
a An orange juice decision model was developed that combines detailed data on the 600+ flavors that make up an orange
b A decentralized data model was developed to respond to consumer preferences
c Legacy systems were replaced with data silos to manage big data
d A data governance program was implemented to ensure that juice preferences are achieved
Answer: A
Difficulty: Medium
Section Reference: Chapter Snapshot and Opening Case
Learning Objective: Provide a real-world example of data management, big data analytics, and records management
AACSB: Use of Information Technology
Information Technology for Management 10th Edition Test Bank by Turban Volonino
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Trang 22 Which of the following data management technologies store data that are generated by business apps and operations?
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
3 tools and techniques process data and do statistical analysis for insight and
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
4 Ad-hoc requests for specific data from a database or warehouse are called _
Trang 3Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
5 After data are extracted from a database and processed to standardize their format, they are then loaded into a and ready for analysis
a Synchronized, low-latency system
b Decision support system
c Data warehouse
d DBMS
Answer: C
Difficulty: Medium
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
6 Users typically access data as needed from a database management system by using
Trang 4Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
7 Data in a are volatile because record transactions
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
8 Organizations that cannot afford the cost of a data warehouse, but want the benefits of online analytic processing invest in _
Trang 5Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
9 Data warehouses and data marts are optimized for all of the following except:
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
10 An accurate and consistent view of data throughout the enterprise is needed so one can make informed, actionable decisions that support the business strategy A function performed by a DBMS to integrate, match, or link data from disparate sources is data _
Trang 6Difficulty: Medium
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
11 NoSQL systems have increased in popularity because of the growing need for , which means the system can increase in size to handle data growth
a scalability
b fault tolerance
c handling big data
d large Web apps
Answer: A
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
12 Which of the following is not a consequence of poor quality or dirty data?
a The company loses sales or customers
b Information workers are constrained in their jobs
c Decision makers face too much uncertainty to make intelligent decisions
d The company faces data ownership problems
Answer: D
Difficulty: Medium
Section Reference: Database Management Systems
Trang 7Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
13 The primary benefits of centralized database configuration are better _ and
a Reports / Statistical Tools
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
14 The primary disadvantage of centralized database systems is
a Data security
b Data quality
c Availability of statistical analysis tools
d Transmission delay when users are geo-dispersed
Answer: D
Difficulty: Hard
Section Reference: Database Management Systems
Trang 8Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
Trang 915 Distributed databases use _ architecture to process information requests
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
16 In terms of the major functions performed by a DBMS, “data filtering and profiling” refers to which of the following?
a Inspecting the data for errors, inconsistencies, redundancies, and incomplete information
b Correcting, standardizing, and verifying the integrity of the data
c Integrating, matching, or linking data from disparate sources
d Checking and controlling data integrity over time
Answer: A
Difficulty: Medium
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
17 Sometimes organizations place too much emphasis on the costs associated with acquiring high levels of data quality and ignore the costs of “dirty” or poor quality data Which of the following sets of factors make up the total costs associated with poor quality data?
a Technology costs + Training costs + Marketing costs
b Value of lost business + Cost to prevent errors + Cost to correct errors
c Cost of repeating analyses + Lost opportunity costs + Cost of unrealized threats
d Value of lost business + Cost to correct errors + Cost of repeating analyses (on corrected data)
Trang 10Answer: B
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
18 Despite the need for high-quality data, and technical issues often make it a difficult goal to achieve
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
19 The principle of explains why most organizations cannot operate at peak
performance with blind spots (lack of data availability) of 30 days or longer Global financial services institutions rely on near-real-time data for peak performance
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
Trang 1120 According to the , a majority of data is seldom accessed after a 3 month period
a Principle of data in context
b Principle of 90/90 data use
c Principle of diminishing data value
d Principle of data quality
Answer: B
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
21 _ is a set of processes that aid organizations in integrating data from various
sources or enterprise applications to create and maintain a more unified view of a customer, product, or other core data entity that is shared across systems
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
22 MDM consolidates data from various data sources into a , which then feeds data back to the applications, thereby creating accurate and consistent data across the enterprise This helps eliminate redundancies, inaccuracies and omissions that might otherwise hinder business processes
a Data silo
b Master reference file
c Backup file
d Central directory
Trang 12Answer: B
Difficulty: Hard
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
23 enable managers to predict how customers would behave and use that knowledge
to be prepared to respond quickly
a Big data analytics
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
24 In the past, data was transferred from OTLP databases to data warehouses periodically, say once a month or even once a week Now, the trend is toward _, or real-time, data warehousing so that analysis and decision support apps use current data
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
Trang 1325 What is the key advantage of an active data warehouse compared to a traditional data warehouse?
a The ADW is less expensive to install and operate
b Data from an ADW can be used for DSS, report generation and Business
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
26 When customer X calls an organization’s customer service center, the service representative has access to a complete history of X’s previous calls, as a list of the services X has
purchased, and customer profitability score All of this information is up-to-date and is accessed from the company’s _
a Management information system
b Transactional database system
c Active data warehouse
d Online transaction processing system
Answer: C
Difficulty: Medium
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
Trang 1427 The McKinsey Global Institute (MGI) estimates that retailers using big data analytics
increase their operating margin by more than percent
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
28 processes move data from databases into data warehouses or data marts, where the data are available for access, reports, and analysis
a Big data analytics
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
29 Machine-generated sensor data from are becoming a much larger proportion of big data and analytics
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
Trang 1530 Big data volumes that exceed the processing capacity of conventional infrastructures are processed using the platform
Section Reference: Data Warehouse and Big Data Analytics
Learning Objective: Evaluate the tactical and strategic benefits of big data and analytics
AACSB: Use of Information Technology
31 software enables users to analyze data from various dimensions or angles, categorize them, and find correlations or patterns among fields in the data warehouse
Section Reference: Data and Text Mining
Learning Objective: Describe data and text mining, and give examples of mining applications to find patterns, correlations, trends, or other meaningful relationships in organizational data stores AACSB: Use of Information Technology
32 _ helps companies tap into the massive volume of customer opinions
Section Reference: Data and Text Mining
Learning Objective: Describe data and text mining, and give examples of mining applications to find patterns, correlations, trends, or other meaningful relationships in organizational data stores AACSB: Use of Information Technology
Trang 1633 With text analytics, information is extracted out of large quantities of various types of textual
information Which of the following is not one of the steps involved in text analytics
described in your text?
a Exploration of documents for preliminary categorization or identification of common topics
b Preprocessing of documents to standardize content as much as possible
c Categorization and modeling of document content using statistical models and business rules
d Visualization – translating text data to graphic format (e.g charts, graphs) for effective reporting
Answer: D
Difficulty: Hard
Section Reference: Data and Text Mining
Learning Objective: Describe data and text mining, and give examples of mining applications to find patterns, correlations, trends, or other meaningful relationships in organizational data stores AACSB: Use of Information Technology
34 Which of the following is not a risk associated with cloud-based BI?
a Slower response time
Section Reference: Business Intelligence
Learning Objective: Explain the operational benefits and competitive advantages of business intelligence, and how forecasting can be improved
AACSB: Use of Information Technology
35 All of the following are factors contributing to the increased use of BI, except:
a Smart devices and demand for 24/7 access to insights
b Proprietary information systems
c Cloud-enabled BI and analytics
d Increased amounts of data
Answer: B
Difficulty: Medium
Section Reference: Business Intelligence
Trang 17Learning Objective: Explain the operational benefits and competitive advantages of business intelligence, and how forecasting can be improved
AACSB: Use of Information Technology
36 are documentation of business events, actions, decisions, or transactions
Section Reference: Electronic Records Management
Learning Objective: Describe electronic records management, and how it helps companies meet their compliance, regulatory, and legal obligations
AACSB: Use of Information Technology
37 systems consist of hardware and software that manage and archive
electronic documents and image paper documents; then index and store them according to company policy
a Electronic records management
Section Reference: Electronic Records Management
Learning Objective: Describe electronic records management, and how it helps companies meet their compliance, regulatory, and legal obligations
AACSB: Use of Information Technology
38 must ensure that their companies comply with legal and regulatory duties by managing electronic records
a Senior management
b CIOs
c Corporate lawyers
d Workers
Trang 18Answer: A
Difficulty: Medium
Section Reference: Electronic Records Management
Learning Objective: Describe electronic records management, and how it helps companies meet their compliance, regulatory, and legal obligations
AACSB: Use of Information Technology
39 Improperly managed or destroyed business records become
Section Reference: Electronic Records Management
Learning Objective: Describe electronic records management, and how it helps companies meet their compliance, regulatory, and legal obligations
AACSB: Use of Information Technology
40 Companies have always faced the challenge of managing physical documents Which of the following is the most significant challenge associated with managing physical documents?
a The volume of documents that must be reviewed to determine if they should be retained or destroyed
b Loading documents onto company websites
c Sharing documents across geographic locations
d Translating documents into other languages
Answer: A
Difficulty: Hard
Section Reference: Electronic Records Management
Learning Objective: Describe electronic records management, and how it helps companies meet their compliance, regulatory, and legal obligations
AACSB: Use of Information Technology
Trang 19True/False
41 Volatile refers to data that change frequently
Answer: True
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
42 Online transaction processing (OLTP) systems are designed to manage transaction data, which are volatile
Answer: True
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
43 Operational intelligence refers to the credentials, technological skills, decision making abilities, and industry experience of key leaders in an organization
Answer: False
Difficulty: Easy
Section Reference: Database Management Systems
Learning Objective: Describe the functions of database and data warehouse technologies, the differences between centralized and distributed database architecture, how data quality impacts performance, and the role of a master reference file in creating accurate and consistent data across the enterprise
AACSB: Use of Information Technology
44 Traditional databases are not well suited for managing unstructured data such as customer comments and tweets
Answer: True
Difficulty: Easy
Section Reference: Database Management Systems