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IREB-CPRE : IREB Certified Professional for Requirements Engineering (CPRE) Exam
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When creating a system prototype, which of the following is a significant ntage?
guarantees successful implementation of the final system reduces the overall project cost
eliminates the need for further requirement gathering provides a concrete basis for discussing requirements nsures stakeholder approval before implementation
wer: D
anation: Prototypes serve as a tangible reference for stakeholders to alize and discuss requirements, clarifying their needs and expectations
Question: 738 adva It It It It It e Ans Expl visu . In the context of requirements engineering, which two statements regarding non-functional requirements are accurate? (Choose two) Non-functional requirements are optional and can be ignored. They define system attributes such as performance, usability, and security. Non-functional requirements are always more difficult to measure than functional ones. They should be specified in the same way as functional requirements. Answer: B, C ch of the following is the most effective way to ensure that a requirem ble? se vague terms to allow flexibility efine it in natural language without metrics pecify acceptance criteria and measurable outcomes eep it at a high level to avoid complexity ely on developer intuition for implementation wer: C anation: Specifying acceptance criteria and measurable outcomes ensu he requirement can be objectively validated during testing. Whi ent is testa U D S K R Ans Expl res that t What is the primary purpose of a requirements traceability matrix (RTM)? To document design decisions To track changes in project scope To manage project timelines To ensure each requirement is addressed in the final product anation: An RTM ensures that each requirement is accounted for ughout the project lifecycle, linking requirements to their correspondin gn, implementation, and testing artifacts. equirements gathering session, a stakeholder suggests a feature that is nically complex and outside the current scope, What is the best approa ndle this suggestion? ocument the suggestion for future consideration eject the suggestion outright mmediately escalate it to upper management Expl thro g desi In a r tech ch to ha D R I Analyze the technical complexity and present findings Ask the stakeholder to provide a detailed proposal Answer: A Explanation: Documenting the suggestion allows for future evaluation without dismissing potentially valuable ideas, fostering an inclusive atmosphere for stakeholders. When should requirements traceability be established in a project? fter the testing phase nly if there is time available the end of the project uring the requirements elicitation phase wer: D anation: Requirements traceability should be established during the rements elicitation phase to ensure all requirements can be tracked ughout the project lifecycle. Question: 743 A O At D Ans Expl requi thro Which two benefits does prototyping provide in the requirements engineering process? It eliminates the need for requirements documentation. It helps validate requirements with users and stakeholders. It reduces development time significantly. It facilitates early detection of misunderstandings. Answer: B, D Explanation: Prototyping validates requirements and facilitates early detection of misunderstandings, improving stakeholder engagement and satisfaction. re tasked with documenting requirements for a new system. Which o wing practices should be avoided to maintain clarity? sing clear and concise language. riting ambiguous statements to cover multiple interpretations. cluding diagrams and visual aids. nsuring that all stakeholders review the requirements document. wer: B anation: Writing ambiguous statements can lead to misinterpretation a usion, undermining the clarity and effectiveness of the requirements mentation. Que You a f the follo U W In E Ans Expl nd conf docu Which of the following statements about use cases is correct? They are only useful for functional requirements. They provide a detailed technical specification. They focus on user interactions with the system. They replace the need for other requirement documents. They are primarily used for non-functional requirements. Answer: C taken by users to achieve specific goals, making them valuable for ional requirements. context of requirements documentation, which two characteristics ate a high-quality requirement? is vague and open to interpretation. is clear, concise, and unambiguous. is documented in lengthy and complex language. is testable and verifiable. wer: B, D Explanation: Use cases focus on user interactions with the system, detailing the steps funct It It It It Ans Explanation: High-quality requirements are clear, concise, unambiguous, and testable, ensuring they can be understood and verified effectively. A project manager asks you to prioritize requirements based on return on investment (ROI). Which method should you use? MoSCoW method Cost-benefit analysis Kano model wer: B anation: A cost-benefit analysis is appropriate for prioritizing require on ROI, as it evaluates the potential financial returns against ementation costs. re analyzing the requirements for a new software application. A holder mentions that a feature should be "user-friendly." Which of th wing approaches is best to clarify and refine this ambiguous requirem reate a requirements traceability matrix Expl ments based impl You a stake e follo ent? C Conduct a SWOT analysis Use a prototyping approach Develop a state machine diagram Implement a waterfall model Explanation: Prototyping allows stakeholders to visualize and interact with the software early in the development process, helping to clarify ambiguous terms like "user-friendly." is the primary benefit of using a user acceptance test (UAT) in the rements engineering process? ensure that requirements are technically feasible. validate that the system meets the needs of the users and stakeholder document all requirements in detail. prioritize requirements based on stakeholder input. wer: B anation: UAT is conducted to ensure the final product fulfills the rements and expectations of users, validating that it is ready for oyment. Que What requi To To s. To To Ans Expl requi depl Which two types of requirements are typically included in a Software Requirements Specification (SRS)? Technical specifications Non-functional requirements Marketing strategies Answer: A, C ch of the following best describes the purpose of a feasibility study in ext of requirements engineering? identify all possible requirements for the system. assess the viability of the project in terms of technical, financial, an ational aspects. finalize the project timeline and budget. eliminate all risks associated with the project. wer: B anation: A feasibility study assesses whether a project is viable by mining its technical, financial, and operational aspects, guiding decisio Whi the cont To To d oper To To Ans Expl exa n- making. What role does a requirements traceability matrix play in the requirements engineering process? It simplifies the coding process It helps in tracking requirements throughout the project lifecycle guarantees that all requirements will be implemented wer: B anation: A requirements traceability matrix is a tool that helps track rements throughout the project lifecycle, ensuring that all requiremen essed and tested. ch two characteristics are most critical for writing effective and clear rement statements? (Choose two) mbiguity estability It Ans Expl requi ts are addr A T Lengthy descriptions Specificity Technical jargon Answer: B, D testing, while specificity provides clear, detailed information on what is expected, reducing ambiguity and misunderstandings during development. nambiguous ague omprehensive estable easible wer: B anation: A well-defined requirement must be unambiguous, meaning i ld clearly convey its intention without room for misinterpretation. Which of the following is NOT a characteristic of a well-defined requirement? U V C T F Ans Expl t shou A requirement states, "The system should be user-friendly." What is the primary issue with this requirement? It is a business requirement It is not aligned with stakeholder needs It is too technical It is subjective and lacks measurable criteria Answer: D Explanation: The term "user-friendly" is subjective and can vary widely in interpretation. Good requirements should be specific and measurable to ensure clarity and testability. should requirements be prioritized to ensure alignment with stakehol ? se a value-based approach to prioritize requirements according to thei ct on business objectives. rioritize based on technical complexity. ll requirements should be treated equally, regardless of value. rioritize based on the preferences of the most vocal stakeholders. wer: A anation: A value-based prioritization approach ensures that requireme ligned with strategic business goals, maximizing the value delivered b Que How der value U r impa P A P Ans Expl nts are a y the system. What approach should be taken to manage conflicting requirements from different stakeholders? Ignore conflicting requirements as they will resolve themselves. Accept the requirements from the most senior stakeholder only. icting requirements. ocument all conflicting requirements without addressing them. wer: C anation: Facilitating discussions allows stakeholders to negotiate and f mon ground, leading to more effective prioritization and resolution of icts. context of requirements verification, which two statements are true? ose two) erification checks if the product meets user needs and requirements. Facilitate discussions among stakeholders to negotiate and prioritize confl D Ans Expl ind com confl V It is an ongoing process conducted throughout the development lifecycle. Verification is solely concerned with the correctness of requirements documentation. Reviews and inspections are common techniques for verification. Answer: B, D Explanation: Verification is an ongoing process ensuring that requirements are met, typically using reviews and inspections to confirm correctness. ch practice is essential for effective requirements communication amo holders? sing complex technical language elying solely on written documentation ngaging stakeholders through workshops and discussions imiting communication to formal meetings wer: C anation: Engaging stakeholders through workshops and discussions fo tive communication, ensuring that all parties understand and agree on rements. stake U R E L Ans Expl sters effec the requi A project manager wants to understand the feasibility of a proposed feature that requires significant resources. Which technique is best suited for a preliminary feasibility analysis? A. Cost-benefit analysis
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