IREB-IT-CQ03 iSQI Exam Questions and Answers

Question 1

Which definition best characterizes the term "traceability" in terms of requirements engineering?

A. Traceability of the effort for the elicitation of requirements, beginning with the elicitation of the documentation right to the point of requirements acceptance
B. Monitoring of progress in requirements elicitation
C. Ability to analyze requirements for contradictory content, especially between the requirements specifications and the test cases
D. Traceability of the requirements, along with the associated documents, from the requirements elicitation to the implementation
E. Level of stabilization between the elicited and approved requirements

Answer : D

Question 2

In requirements engineering, a differentiation is made between system scope and context scope. In both cases it is possible that so-called grey zones may appear. For each statement, indicate if it is true or false.

A. True: The grey zone relating to system scope must be resolved immediately at the beginning of the requirements engineering.
B. False: The grey zone relating to system scope must be resolved immediately at the beginning of the requirements engineering.
C. True: The irrelevant part of the system environment has no impact on the requirements of the system to be developed.
D. False: The irrelevant part of the system environment has no impact on the requirements of the system to be developed.
E. True: The context boundary is the boundary that separates the subject of the requirements engineering from irrelevant aspects.
F. False: The context boundary is the boundary that separates the subject of the requirements engineering from irrelevant aspects.
G. True: The grey zone relating to context scope includes aspects that are ambiguous in terms of whether they have an impact on the system or not.
H. False: The grey zone relating to context scope includes aspects that are ambiguous in terms of whether they have an impact on the system or not.

Answer : BCEG

Question 3

You are employed as a requirements engineer in a company in the logistics sector and are involved in a project that aims to replace a legacy application for distribution and shipment of goods with a new system. A colleague has already created a context diagram. You are assigned to check this. What are your thoughts about this? Indicate for each statement whether it is true or false.

A. True: The problem assignment of the system cannot be derived from the diagram.
B. False: The problem assignment of the system cannot be derived from the diagram.
C. True: The relationship between truck and truck driver is not necessary.
D. False: The relationship between truck and truck driver is not necessary.
E. True: The actor with the designation “???” and the data flow “Goods???” should be omitted, because there is not enough information about them and there are too many ambiguities.
F. False: The actor with the designation “???” and the data flow “Goods???” should be omitted, because there is not enough information about them and there are too many ambiguities.
G. True: The relationship between loading crane and the system is not specified in sufficient detail.
H. False: The relationship between loading crane and the system is not specified in sufficient detail.

Answer : ACFG

Question 4

You wish to define technically relevant terms in a project. Indicate true or false for the following statements in order to complete the sentence beginning "The definition of technically relevant terms …".

A. True: … is a desirable, but not strictly necessary component of requirement documents.
B. False: … is a desirable, but not strictly necessary component of requirement documents.
C. True: … Must establish for technical terms their meaning for the system to be specified.
D. False: … Must establish for technical terms their meaning for the system to be specified.
E. True: … Must be cross-project in nature.
F. False: … Must be cross-project in nature.
G. True: … Is always made more understandable by means of additional examples and counterexamples.
H. False: … Is always made more understandable by means of additional examples and counterexamples.

Answer : BCFG

Question 5

Evaluate the following guidelines as to whether they should or should not be adhered to when writing a requirements specification.

A. True: Minimize the number of headers in order to reduce the size of the document.
B. False: Minimize the number of headers in order to reduce the size of the document.
C. True: Only one requirement per sentence, no nesting of requirements.
D. False: Only one requirement per sentence, no nesting of requirements.
E. True: Highlight legally binding requirements in italics.
F. False: Highlight legally binding requirements in italics.
G. True: Use of a consistent terminology.
H. False: Use of a consistent terminology.
I. True: Interesting and diverse style of writing.
J. False: Interesting and diverse style of writing.
K. True: Use of sentence-templates for requirements formulation.
L. False: Use of sentence-templates for requirements formulation.
M. True: Use of short sentences and paragraphs.
N. False: Use of short sentences and paragraphs.
O. True: Unknown terms furnished with references to Wikipedia.
P. False: Unknown terms furnished with references to Wikipedia.

Answer : BCFGJKMP

Question 6

Assess the following statements about the natural language documentation of requirements in terms of being applicable or not applicable.

A. True: Natural language requirements cannot be misunderstood.
B. False: Natural language requirements cannot be misunderstood.
C. True: Natural language requirements are mainly suitable for the behavioral perspective.
D. False: Natural language requirements are mainly suitable for the behavioral perspective.
E. True: Natural language requirements must be formulated in accordance with a template.
F. False: Natural language requirements must be formulated in accordance with a template.
G. True: Natural language is not a suitable means of expression for quality requirements.
H. False: Natural language is not a suitable means of expression for quality requirements.
I. True: Natural language requirements are not a suitable means of communication for software architects and programmers.
J. False: Natural language requirements are not a suitable means of communication for software architects and programmers.

Answer : BDFHJ

Question 7

The following state diagram is to be found in a requirements specification for an order management system.
Which of the following requirements is consistent with the diagram and which are not?

A. True: An invoice may only be issued after the products listed on it have been dispatched.
B. False: An invoice may only be issued after the products listed on it have been dispatched.
C. True: A product that is not in stock is sent directly by the supplier.
D. False: A product that is not in stock is sent directly by the supplier.
E. True: Every order results in at least one invoice.
F. False: Every order results in at least one invoice.
G. True: All products ordered are delivered, except if they are discontinued by the supplier.
H. False: All products ordered are delivered, except if they are discontinued by the supplier.

Answer : ADFG

Question 8

Which of the following elements are elements of a state diagram and which are not? Please indicate true or false.

A. True: Event
B. False: Event
C. True: Initial state
D. False: Initial state
E. True: State Transition
F. False: State Transition
G. True: Interaction
H. False: Interaction
I. True: Actor
J. False: Actor

Answer : ACEHJ

Question 9

Requirements must be checked in terms of content, documentation and agreement. Indicate with regard to this whether each statement is true or false.

A. True: Inspection is a checking technique that is very informal but which is therefore also very efficient.
B. False: Inspection is a checking technique that is very informal but which is therefore also very efficient.
C. True: Field observation is the most frequently used checking technique.
D. False: Field observation is the most frequently used checking technique.
E. True: No more than one tester should ever be used for checking, as this may invite conflicts that hinder the project execution.
F. False: No more than one tester should ever be used for checking, as this may invite conflicts that hinder the project execution.
G. True: Subject matter conflicts must be resolved before checking, since these conflicts are not recognized in checking.
H. False: Subject matter conflicts must be resolved before checking, since these conflicts are not recognized in checking.

Answer : BDFH

Question 10

Listed below you will find four reasons why different views of individual components of the requirements are used instead of a single view displaying all the requirements and attributes.
Which of the following reasons are true and which are false?

A. True: Stakeholders only receive the part of the documentation relevant to them.
B. False: Stakeholders only receive the part of the documentation relevant to them.
C. True: Requirements which belong together are grouped in order to facilitate the review process.
D. False: Requirements which belong together are grouped in order to facilitate the review process.
E. True: In order to hide requirements from certain stakeholders who shall not have read authorization.
F. False: In order to hide requirements from certain stakeholders who shall not have read authorization.
G. True: In order to guarantee that more than one person can work at the same time on a specification.
H. False: In order to guarantee that more than one person can work at the same time on a specification.

Answer : ACEH

Question 11

A requirement specification includes a description of the properties of the requirement. Which of the properties listed below can be used as requirement attributes and which cannot? Please indicate true or false.

A. True: Importance of the requirement.
B. False: Importance of the requirement.
C. True: Criticality of the requirement.
D. False: Criticality of the requirement.
E. True: Responsibility for the implementation of the requirement.
F. False: Responsibility for the implementation of the requirement.
G. True: The release in which the requirement will be productively implemented for the first time.
H. False: The release in which the requirement will be productively implemented for the first time.
I. True: How legally binding the requirement is.
J. False: How legally binding the requirement is.

Answer : ACEGI

Question 12

You have been commissioned to analyze a change request for its possible impact. Which of the following aspects must be analyzed for this?

A. True: The justification of the change.
B. False: The justification of the change.
C. True: The test cases to be altered due to the change.
D. False: The test cases to be altered due to the change.
E. True: The effort involved in making the change.
F. False: The effort involved in making the change.
G. True: The stakeholders affected by the change.
H. False: The stakeholders affected by the change.

Answer : BCEG

Question 13

You are employed as a requirements engineer in a company that develops control software for electric motors. During your work it becomes increasingly evident that the developers are very well aware of the necessary requirements, even though the requirements are not documented in their entirety. Nevertheless, you decide to document requirements systematically.
Which two of the following arguments justifies this step? (Choose two.)
Documenting requirements systematically is important, because...

A. … implementation without documented requirements is not possible.
B. … non-documented requirements are difficult to negotiate between the stakeholders.
C. … the coverage of the requirements by means of test cases cannot be checked.
D. … documented requirements are also good requirements.

Answer : BC

Question 14

In delimiting system and system context, a differentiation is made between the system boundary and the context boundary. This differentiation is important in order to understand which aspects impact on the requirements of the system to be developed and which do not. (Choose two.)

A. The context boundary separates the system from the system context.
B. The system boundary and the context boundary define the system context.
C. The system context includes all aspects that are not relevant to the requirements of the planned system.
D. Only the aspects within the system boundary must be taken into account in order to determine the requirements of the system to be developed.
E. The selection of the system boundary establishes which aspects are covered by the system to be developed and which lie beyond its scope.

Answer : AB

Question 15

Which two pieces of information should always be recorded in the stakeholder list? (Choose two.)

A. Importance of the stakeholders
B. Role designation
C. Length of service with a company
D. Disciplinary superior
E. References to previously conducted projects