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Transcript
Chapter 3
87% (13 out of 15 correct)
Responses to questions are indicated by the
1. The management of data is difficult for which of the following reasons?
A. amount of data increases exponentially over time
B. data are centralized in organizations
C. decreasing amount of external data needs to be considered
D. data security is easy to maintain
E. data are stored in the same format throughout organizations
3.2 File Management; Difficulty: Moderate
2. _______________ data are collected about user behavior purchasing by
monitoring users' activities when they visit a Web site.
A. transaction
B. analytical
C. visual
D. spatial
E. clickstream
3.5 Data Warehousing; Difficulty: Moderate
3. Which of the following represents the data life cycle?
A. information, data, knowledge, expertise
B. data, information, knowledge, solutions
C. data, knowledge, expertise, solutions
D. expertise, knowledge, solutions, information
E. information, knowledge, expertise, solutions
symbol.
3.6 Marketing Databases in Action; Difficulty: Moderate
4. A(n) _______________ represents a single character.
A. bit
B. byte
C. field
D. record
E. file
3.4 Creating Databases; Difficulty: Easy
5. Which attribute would make the best primary key?
A. last name
B. first name
C. address
D. telephone number
E. social security number
3.5 Data Warehousing; Difficulty: Moderate
6. Compared to data warehouses, data marts have which one of the following
characteristics?
A. cost more
B. have shorter lead time for implementation
C. have central rather than local control
D. contain more information
E. are harder to navigate
3.5 Data Warehousing; Difficulty: Moderate
7. A corporation's volume of data will stay about the same over time.
A. True
B. False
3.2 File Management; Difficulty: Easy
8. The Data Life Cycle begins with “Data”.
A. True
B. False
3.2 File Management; Difficulty: Moderate
9. A field is a collection of 8 bytes.
A. True
B. False
3.4 Creating Databases; Difficulty: Moderate
10. Entity-relationship modeling is the process of designing a database by
organizing data entities to be used and identifying the relationships among
them.
A. True
B. False
3.5 Data Warehousing; Difficulty: Moderate
11. In a data warehouse, data can be kept for only a short time.
A. True
B. False
3.5 Data Warehousing; Difficulty: Moderate
12. All data in the organization is loaded into the data warehouse.
A. True
B. False
3.5 Data Warehousing; Difficulty: Moderate
13. Identifying items that are purchased together in a retail store is a good
example of data mining.
A. True
B. False
3.5 Data Warehousing; Difficulty: Moderate
14. A DBMS is best used only by large companies
A. True
B. False
3.3 Databases and Database ManagementSystems; Difficulty: Moderate
15. Intelligent Agents are appropriate in data management but not data analysis
A. True
B. False
3.4 Creating Databases; Difficulty: Moderate
Chapter 4
80% (12 out of 15 correct)
Responses to questions are indicated by the
symbol.
1. Wireless communication can come in any of the following forms except:
A. WiFi
B. Bluetooth
C. WiMax
D. WEP
E. IR
4.2 Discovery, Search, and Customized Delivery; Difficulty: Easy
2. Computers typically work in isolation in modern organizations.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Easy
3. A computer network connects computers via communications media so that
data can be shared.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Easy
4. A router directs messages through several connected LANs or to a wide area
network.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Moderate
5. The Internet is used on every continent except Antarctica.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Easy
6. An extranet connects parts of the intranets of different organizations.
A. True
B. False
4.2 Discovery, Search, and Customized Delivery; Difficulty: Moderate
7. Packets traveling across the Internet must follow the same path to be able to
arrive in sequence at their destination.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Moderate
8. The Internet is a faster network with limited access devoted exclusively to
military purposes, communicating at 5400 BAUD
A. True
B. False
4.2 Discovery, Search, and Customized Delivery; Difficulty: Moderate
9. Intelligent-indexing agents can carry out autonomous searches of the Web.
A. True
B. False
4.3 Communication; Difficulty: Easy
10. Corporate portals are the most popular portals on the Internet.
A. True
B. False
4.3 Communication; Difficulty: Moderate
11. In traditional telephony, every call opens up a dedicated circuit for the
duration of the call.
A. True
B. False
4.1 Network Computing—Overview and Drivers; Difficulty: Easy
12. Collaboration refers to efforts by two or more entities (individuals, teams,
groups, or organizations) who work together to accomplish certain tasks.
A. True
B. False
4.2 Discovery, Search, and Customized Delivery; Difficulty: Moderate
13. Software agents are applications located solely on the Internet
A. True
B. False
4.3 Communication; Difficulty: Easy
14. Analog signals have two parameters, frequency and amplitude.
A. True
B. False
4.4 Messaging and Collaboration; Difficulty: Easy
15. Wikis are proprietary Internet applications used by large corporations.
A. True
B. False
4.2 Discovery, Search, and Customized Delivery; Difficulty: Easy