22. “The analyst performs a detailed review of the transactions, reports, displays and inquiries supported by the database”. This activity is done in which phase of the SDLC? A. Analysis B. Design C. Implementation D. Maintenance 23. Which of the following is an example of a Rapid Application Development? A. Agile methodology B. Prototyping C. Rapid system development D. Software system 24. Statements that define or constrain some aspects of an organization are called ……… A. business rules B. constraints C. limitations D. restrictions 25. The entity type on which the weak entity type depends on is called ………… A. entity dependant B. identifying owner C. identifying relationship D. weak entity 26. Which of the following does not constitute a characteristic of an identifier? A. Intelligent identifier B. No intelligent identifier C. Not be null D. Not change in value 27. The number of entity types that participate in a relationship is known as its ………….. A. cardinality B. degree C. instance D. relationship 28. Maximum cardinality is denoted by which of the following symbols? A. Crow’s foot B. Double dash C. Vertical dash D. zero 29. The state of relation that requires that certain rules regarding relationships between attributes are satisfied is known as ………….. A. functional dependency B. integrity constraints C. normal form D. normalization 30. is the widely adopted standard modelling language, with much richer object – based system, and it covers the whole development process. a. Chen’s original system b. Crowsfoot system c. UML – type diagrams d. Relational diagram e. None of the Above 31. forms the second compartment of the Entity Relationship Diagram. a. Entity Method b. Attributes c. Entity Name d. Attribute Method e. None of the above

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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22. “The analyst performs a detailed review of the transactions, reports, displays and inquiries supported by the database”. This activity is done in which phase of the SDLC? A. Analysis B. Design C. Implementation D. Maintenance 23. Which of the following is an example of a Rapid Application Development? A. Agile methodology B. Prototyping C. Rapid system development D. Software system 24. Statements that define or constrain some aspects of an organization are called ……… A. business rules B. constraints C. limitations D. restrictions 25. The entity type on which the weak entity type depends on is called ………… A. entity dependant B. identifying owner C. identifying relationship D. weak entity 26. Which of the following does not constitute a characteristic of an identifier? A. Intelligent identifier B. No intelligent identifier C. Not be null D. Not change in value 27. The number of entity types that participate in a relationship is known as its ………….. A. cardinality B. degree C. instance D. relationship 28. Maximum cardinality is denoted by which of the following symbols? A. Crow’s foot B. Double dash C. Vertical dash D. zero 29. The state of relation that requires that certain rules regarding relationships between attributes are satisfied is known as ………….. A. functional dependency B. integrity constraints C. normal form D. normalization 30. is the widely adopted standard modelling language, with much richer object – based system, and it covers the whole development process. a. Chen’s original system b. Crowsfoot system c. UML – type diagrams d. Relational diagram e. None of the Above 31. forms the second compartment of the Entity Relationship Diagram. a. Entity Method b. Attributes c. Entity Name d. Attribute Method e. None of the above

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