Exam 7: Structuring System Requirements: Conceptual Data Modeling
Exam 1: The Systems Development Environment116 Questions
Exam 2: The Sources of Software107 Questions
Exam 3: Managing the Information Systems Project133 Questions
Exam 4: Systems Planning and Selection134 Questions
Exam 5: Determining System Requirements136 Questions
Exam 6: Structuring System Requirements: Process Modeling149 Questions
Exam 7: Structuring System Requirements: Conceptual Data Modeling180 Questions
Exam 8: Designing the Human Interface133 Questions
Exam 9: Designing Databases157 Questions
Exam 10: Systems Implementation and Operation151 Questions
Exam 11: object-Oriented Analysis and Design131 Questions
Exam 12: Agile Methodologies127 Questions
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The number of instances of entity B that can (or must) be associated with each instance of entity A refers to:
(Multiple Choice)
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Asking system users and managers "Who is responsible for establishing legitimate values for these data?" helps determine:
(Multiple Choice)
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The most conservative solutions in terms of the effort, cost, and technology involved in developing a new system are the:
(Multiple Choice)
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Define the following key data modeling terms: entity, attribute, relationship, degree, cardinality, and associative entity.
(Essay)
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The identification of a system's mandatory features would be performed during systems planning and selection.
(True/False)
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Essential features are those that everyone agrees are necessary to solve the problem or meet the opportunity.
(True/False)
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An identifier is a candidate key that has been selected as the unique, identifying characteristic for an entity type.
(True/False)
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Match each of the following alternatives with its corresponding description.(Answers may occur more than once.)
-Functionality, not cost, is the primary focus of these alternatives.
(Multiple Choice)
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The primary deliverable from the conceptual data-modeling step within the analysis phase is:
(Multiple Choice)
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In theory, if there are four sets of requirements, three implementation environments, and four sources of application software, then there would be thirty-six possible design strategies.
(True/False)
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Enumerating different potential implementation environments that could be used to deliver the different sets of capabilities occurs during the:
(Multiple Choice)
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Gathering the information you need for data modeling by reviewing specific business documents handled within the system describes the:
(Multiple Choice)
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Match each of the following terms with its corresponding definition.
-An entity type that associates the instances of one or more entity types and contains attributes that are peculiar to the relationship between those entity instances
(Multiple Choice)
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A person, place, object, event, or concept in the user environment about which the organization wishes to maintain data refers to a(n):
(Multiple Choice)
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In order to determine the integrity rules, minimum and maximum cardinality, and time dimensions of data, an analyst might ask, "Are values for data characteristics limited in any way?"
(True/False)
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Asking system users and business managers "Is each activity or event always handled the same way or are there special circumstances?" helps determine:
(Multiple Choice)
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A repeating group is a set of two or more multivalued attributes that are logically related.
(True/False)
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A ternary relationship occurs when a simultaneous relationship exists among instances of:
(Multiple Choice)
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