CS8592 - OOAD - UNIT II - QUIZ IV

A PC is composed of a motherboard, disk drives, and I/O devices. The PC is sold as a single unit without optional configurations. This example should be modeled as

• Aggregation

• Composition

• Association

A travel package consists of airfare, hotel, and rental car reservations. This example should be modeled as

• Composition

• Association

• Aggregation

Employees use our company cars. This example should be modeled as

• Aggregation

• Composition

• Association

Which of the following is carried out for the detailed design process?

• Both SRS and SAD are taken as input for the detailed design stage

• Design alternatives are evaluated first and then Design is finalized

• Detailed design is the output for the process

• All of the mentioned

A design document is a complete engineering design specification composed of?

• Software Architecture Document(SAD)

• Detailed Design Document(DDD)

• All of the mentioned

• None of the mentioned

Which of the following statements about shared aggregations are true?

• Shared aggregations are used to express an is-a relationship.

• Chains of shared aggregation links may form a cycle..

• The multiplicity of a shared aggregation may be ≥1.

• A shared aggregation is shown by a solid-filled diamond on the end of an association line.

Association classes are used to ...

• ... model that the existence of one object depends on the existence of the association between two other objects.

• ... reduce the cardinality of associations.

• ... further specify associations.

Which of the following optional information can be given on an association between classes?

• A small filled triangle near the association name to show in which way to "read" the name.

• Name

• An arrow at the end to show navigability.

• Multiplicity at the end of an association.

Which visibilities can attributes and operations of classes have?

• Protected

• Private

• Public

• Friends

• Package

You are given the clipping of a UML2 class diagram. Which of the following statements are true?

• One object of A is associated with exactly one object of C and two objects of B.

• One object of A may contain two objects of B.

• One object of B may be associated with multiple objects of A.

• If an instance of A is deleted, all contained instances of B are deleted as well.

• The diamond near A is called composition.