iSQI IREB_CPRE_FL IREB Certified Professional for Requirements Engineering, Foundation Level Online Training

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1. You are project manager for a system that your company is creating for the military in the field of logistics. A requirements engineer has been assigned to your project but does not have all the desirable skills for this role.

In respect to the attributes of the requirements engineer, which of the following statements implies the greatest risk for the requirements engineering? (1 Point)

The requirements engineer is not familiar with the military ranks and so cannot deal adequately with the hierarchical sensitivities.

The requirements engineer does not have detailed knowledge of the military norms and standards that should be applied to the system.

The requirements engineer has no solid project management training.

The requirements engineer is introverted and has no knowledge of requirements elicitation and documentation.

2. Which of the following statements best characterizes the relationship between a requirements engineer and a stakeholder in the role of a tester? (1 Point)

The requirements engineer delivers input for the work of the stakeholder.

The output from the requirements engineer is managed by the stakeholder.

The stakeholder delivers input for the requirements engineer.

The stakeholder monitors the work of the requirements engineer.

The work of the requirements engineer is not related to the role of the stakeholder.

3. Which sentence best characterises the term "stakeholder"? (1 Point)

The external actors interacting with a system and the technical interfaces to surrounding systems are designated as stakeholders.

Stakeholders are persons and organisations affected by the development and the use of the system or of the product.

Stakeholders are special interest representatives who are responsible for the approval of the first project phase.

A stakeholder is responsible for the administration of the software development environment.

4. You are assigned to carry out and document a system and context delimitation for a software system that is to be developed.

What diagram is least suited for the representation of the delimitation? (1 Point)

Class diagram

Use case diagram

Statediagram

Context diagram with data flows

5. According to the Kano model, there is a particular category of system attributes that has an almost linear relationship between satisfaction and degree of compliance.

For which category is this so? (1 Point)

Basic attributes

Performance attributes

Excitement attributes

Needs

Goals

6. As part of the "UniKasso" project, the "CRETIL" company is standardising the payment methods for all customers. The requirements specification has been created and the first release is currently being implemented. This week, the management has decided to include the implementation of the "credit card" mode of payment in the first release and to shift the "direct debit" mode of payment to the second release. The test manager receives the order to adjust the test planning accordingly.

Which particular characteristic of the requirements will facilitate the work of the test manager significantly in this respect? (1 Point)

Coherence

Testability

Flexibility

Stability

Traceability

7. Starting from an informal and unstructured description of the facts, semiformal description techniques attempt to take a step in the direction of formality, for example to prevent misunderstandings. One of the semiformal description techniques is the sentence-template.

What is the most precise definition of a sentence-template as used for requirements? (1 Point)

A sentence-template is a blueprint for a requirement.

A sentence-template is a blueprint for the semantic filling of the individual requirement elements.

A sentence-template is a blueprint for the syntax and semantics of a requirement.

A sentence-template is a blueprint for the syntactical structure of an individual requirement.

8. At a technical college, each student is supervised by a lecturer. Some lecturers supervise several students, some none.

Which of the following class diagrams best shows this student-lecturer relationship? (2 Points)

Option A

Option B

Option C

Option D

9. You model invoices and invoice items with a UML class diagram.

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? (1 Point)

Composition

Aggregation

Generalisation

Association

10. You carry out modelling of requirements with a use case diagram.

Which answer best describes its prospective modelling elements? (1 Point)

Objects, activities and associations

Actors, messages and activities

Objects, use cases and activities

Actors, use cases and associations

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11. The activity diagram below shows a simplified order processing procedure.

Which of the following statements is correct for this flow? (2 Points)

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.

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? (1 Point)

State diagram

Activity diagram

Natural language

Context diagram

Class diagram

13. In a meeting held with the goal of validating a set of requirements, two participants become involved in an in-depth discussion about the content of a requirement. One of the participants is of the opinion that the requirement must be realized as described, since the success of the product is otherwise jeopardized. The other party dissents and argues that this requirement cannot be realized technically as described.

What is the best way for you to react to this situation? (1 Point)

You note both arguments and let the project manager make the decision.

You invite all stakeholders to a workshop and try to reach agreement.

You prefer the second opinion since you believe that the discussion makes no sense if the requirement cannot be realized.

You get together with the affected stakeholders and attempt to reach an agreement on this.

14. Within system development, conflicts continually arise between stakeholders with regard to the requirements. As a requirements engineer, how do you handle conflicts in projects best? (1 Point)

You resolve the conflict with the best resolution technique available to you.

You analyze the conflict, try to bring about a solution with a suitable technique and document relevant information about the conflict.

You ignore the conflict since this is a matter for project management.

In order to resolve such conflicts you escalate them via the escalation paths defined in the project.

15. One activity in managing requirements includes prioritization of the requirements.

Which of the following criteria is not a sensible criterion for prioritization? (1 Point)

The impact on the existing operational system (operating environment)

The influence on the overall success of the business

The effort for the validation of the requirements

The costs resulting from the implementation of the requirements

Which requirements must be implemented in which release

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