Strategic Information Systems
Practice Exam
Course Introduction
Strategic Information Systems examines the role of information systems in supporting and shaping the strategic objectives of organizations. The course explores how technology can provide competitive advantage, improve decision-making, and drive innovation through the alignment of IT initiatives with business strategy. Key topics include analyzing industry structure, evaluating IT investments, integrating information systems into organizational processes, and managing change in digital environments. Case studies and real-world examples are used to illustrate the impact of strategic information systems on business transformation and sustainable growth.
Recommended Textbook
Business Intelligence 2nd Edition by Efraim
Turban Ramesh Sharda
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6 Chapters
415 Verified Questions
415 Flashcards
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Page 2
Chapter 1: Business Intelligence
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65 Verified Questions
65 Flashcards
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Sample Questions
Q1) List two BI analytical applications and their business value. Answer: See Table 1.2 in textbook.
Q2) Online Transaction Processing (OLTP) systems handle a company's routine on-going business. In contrast, a data warehouse is typically a distinct system that provides storage for data that will be made use of in analysis.
A)True
B)False Answer: True
Q3) Automated decision systems (ADS) are rule-based systems that provide solutions to repetitive managerial problems, usually in one functional area (e.g., finance, manufacturing).
A)True
B)False Answer: True
Q4) List four major business environmental factors in today's business environment. Answer: See Table 1.1 in the textbook.
Q5) Business intelligence (BI) combines architectures, tools, ________, analytical tools, applications, and methodologies.
Answer: databases
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Chapter 2: Data Warehousing
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) List five factors that potentially affect the architecture selection decision.
Answer: Any five of the following:
1. Information interdependence between organizational units
2. Upper management's information needs
3. Urgency of need for a data warehouse
4. Nature of end-user tasks
5. Constraints on resources
6. Strategic view of the data warehouse prior to implementation
7. Compatibility with existing systems
8. Perceived ability of the in-house IT staff
9. Technical Issues
10. Social/political factors
Q2) Describe a star schema.
Answer: Data warehouse design is based upon the concept of dimensional modeling. The dimensional model is implemented with a star schema. The star schema is the means by which dimensional modeling is implemented. A star schema contains a central fact table. A fact table contains the attributes needed to perform decision analysis, descriptive attributes used for query reporting, and foreign keys to link to dimension tables. The fact tables describe what data can be analyzed; dimension tables describe how data can be analyzed.
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Page 4
Chapter 3: Business Performance Management
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) Which of the following is not a part of a cybernetic system?
A) Inputs
B) Standard
C) Feedback channel
D) Diagnostic mechanism
Answer: D
Q2) ________ outline those things that an organization must excel at to be successful in their market space.
Answer: Critical success factors (CSF)
Q3) Fundamentally, an operational plan is like a project plan that is designed to ensure that an organization's ________ is realized.
A) business policy
B) plan
C) strategy
D) business rules
Answer: C
Q4) To achieve a Six Sigma level of performance, the company would have to reduce the number of defects to no more than ________ DPMO.
Answer: 3.4
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Chapter 4: Data Mining for Business Intelligence
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70 Flashcards
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Sample Questions
Q1) A good question to ask with respect to the patterns/relationships that association rule mining can discover is "Are all association rules interesting and useful?" In order to answer such a question, association rule mining uses two common metrics ________ and ________.
A) mean; median
B) support; confidence
C) standard deviation; confidence interval
D) regression; distance measure
Q2) With ________ forecasting, the data are a series of values of the same variable that is captured and stored over time. These data are then used to develop models to extrapolate the future values of the same phenomenon.
Q3) ________ means that discovered patterns in a dataset hold true on new data with a sufficient degree of certainty.
Q4) With ________, a fixed number of instances from the original data is sampled (with replacement) for training and the rest of the dataset is used for testing. This process is repeated as many times as desired.
Q5) ________ data contains measurements of simple codes assigned to objects as labels, such as marital status, but those labels are not measurements.
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Chapter 5: Text and Web Mining
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70 Flashcards
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Sample Questions
Q1) Amazon.com leverages Web usage history dynamically and recognizes the user by reading a cookie written by a Web site on the visitor's computer.
A)True
B)False
Q2) Which of the following refers to developing useful information from the links included in the Web documents?
A) Web content mining
B) Web subject mining
C) Web structure mining
D) Web matter mining
Q3) Web pages consisting of unstructured textual data coded in HTML and logs of visitors' interactions provide rich data that can easily provide effective and efficient knowledge discovery.
A)True
B)False
Q4) What are three of the challenges for effective and efficient knowledge discovery posed by the Web?
Q5) Describe a marketing application of text mining.
Q6) Diagram and explain the three-step text mining process.
Page 7
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Chapter 6: Business Intelligence Implementation: Integration and Emerging Trends
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Sample Questions
Q1) Active RFID tags have their own power source and can initiate the data transmission process on their own, but need a reader to energize them.
A)True
B)False
Q2) On the positive side for RFID, ________ have a longer read range, better accuracy, more complex rewritable information storage, and richer processing capabilities.
Q3) The intention of ________ is to achieve a feeling of telepresence and participation from a distance.
A) active environments
B) Wikia
C) social networks
D) virtual worlds
Q4) Fundamentally, RFID is one example of automatic identification technologies, unlike scanner-based barcodes and magnetic strips.
A)True
B)False
Q5) Privacy is the right to be left alone and the right to be free from ________ personal intrusions.
8
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