QUESTION: 9

You model invoices and invoice items with a UML class diagram. Explanation: The total amount of an invoice is calculated by summing up all individual invoice items. This means that an invoice showing 5 article prices contains 5 invoice items. What model element most accurately describes the relationship between invoice and invoice items?

Composition
Aggregation
Generalisation
Association

Answer(s): A

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QUESTION: 10

You carry out modelling of requirements with a use case diagram. Which answer best describes its prospective modelling elements?

Objects, activities and associations
Actors, messages and activities
Objects, use cases and activities
Actors, use cases and associations

Answer(s): D

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QUESTION: 11

The activity diagram below shows a simplified order processing procedure. Which of the following statements is correct for this flow?

The flow is not modelled correctly, since no condition (branch)should be present within a fork.
The flow is modelled correctly: the goods branch as well as the export and domestic order branch are processed in parallel to one another.
The flow is not modelled correctly, since the branches for the domestic and export orders must be consolidated via a diamond symbol.
The flow is modelled correctly and the "issue invoice" activity is conducted after the "compile goods" activity.

Answer(s): C

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QUESTION: 12

For an interview, you have prepared a use case diagram for the system to be specified. You decide to talk through a use case in detail with the stakeholder. You receive very useful feedback which must now be documented. Which of the following means of expression is least suitable to document the details of a single use case?

State diagram
Activity diagram
Natural language
Context diagram
Class diagram

Answer(s): D

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QUESTION: 12