Software Modelling MCQs

Which level of Entity Relationship Diagram (ERD) models all entities and relationships ?

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A. Level 1
B. Level 2
C. Level 3
D. Level 4
✅ The correct answer is option B.
Explanation: Level 1 ERD models all data objects (entities) and their “connections” to one another while Level 3 ERD models all entities, relationships, and the attributes that provide further depth. Thus option b is correct.

Which of the following statement is incorrect regarding the Class-responsibility-collaborator (CRC) modeling ?

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A. All use-case scenarios (and corresponding use-case diagrams) are organized into categories in CRC modelling
B. The review leader reads the use-case deliberately
C. Only developers in the review (of the CRC model) are given a subset of the CRC model index cards
D. All of the mentioned
✅ The correct answer is option C.
Explanation: All participants in the review (of the CRC model) are given a subset of the CRC model index cards.

One creates Behavioral models of a system when you are discussing and designing the system architecture?

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A. True
B. False
Explanation: Structural models of software display the organization of a system in terms of the components that make up that system and their relationships.
✅ The correct answer is option B.