[2026年02月06日] 究極のCTFL-AcT準備ガイド！無料最新のISQI練習テスト問題集
今すぐゲットせよ！高評価ISQI CTFL-AcT試験問題集
質問 # 13
The project team is currently facing a difficult situation originating from their difficulty in envisioning the future and the necessary steps to reach it together with a certain loss of motivation due to a strong feeling of stagnation. You try to unlock the situation by proposing a workshop. Which one would fit the best?
- A. You visualize all remaining major milestones of the project, starting with today and ending with project release. Then, you ask the team to identify and discuss the necessary actions to move forward from the present situation and to reach the milestones.
- B. You ask two volunteers to play a part in front of the team. One will try to defend the project and propose positive arguments and ways forward. The other will do the opposite. You then recapitulate the major arguments of both sides and debate them openly with the team.
- C. You draw a staircase with 11 steps, each of them representing a major milestone of the project. The bottom of the stairs corresponds to the first day of the project and the upper step means that the project is released. You locate the present situation in the middle of the stairs. The team is asked to identify and discuss the major steps down and up.
- D. You organize a day out with challenging physical exercises practiced in teams followed by an afterwork dinner and drink. After all, nothing is best for motivation than hard times together, strong common objectives and a promise of good time.
正解：C
質問 # 14
The project team is currently facing a difficult situation originating from their difficulty in envisioning the future and the necessary steps to reach it together with a certain loss of motivation due to a strong feeling of stagnation. You try to unlock the situation by proposing a workshop. Which one would fit the best?
- A. You visualize all remaining major milestones of the project, starting with today and ending with project release. Then, you ask the team to identify and discuss the necessary actions to move forward from the present situation and to reach the milestones.
- B. You ask two volunteers to play a part in front of the team. One will try to defend the project and propose positive arguments and ways forward. The other will do the opposite. You then recapitulate the major arguments of both sides and debate them openly with the team.
- C. You draw a staircase with 11 steps, each of them representing a major milestone of the project. The bottom of the stairs corresponds to the first day of the project and the upper step means that the project is released. You locate the present situation in the middle of the stairs. The team is asked to identify and discuss the major steps down and up.
- D. You organize a day out with challenging physical exercises practiced in teams followed by an afterwork dinner and drink. After all, nothing is best for motivation than hard times together, strong common objectives and a promise of good time.
正解：C
解説：
In situations where a team is demotivated or struggling with vision and direction, it's effective to use visualization workshops that help the team reflect on progress and visualize a path forward.
Option B describes a metaphorical workshop using a staircase to represent the project's journey - this is known as the "Stairway Retrospective" or "Timeline Workshop". It provides a shared mental model, identifies milestones, and encourages discussion around past progress and future steps. It's ideal for reigniting motivation and clarifying direction - which aligns with the issue described in the question.
Other options:
A can spark debate but may not be constructive or motivating in a stagnation scenario.
C may foster team bonding but doesn't directly address project direction or vision.
D focuses only on future milestones and lacks the reflective component essential when a team feels stuck.
質問 # 15
Which one of the following statements regarding the graphical representation of business processes is true?
- A. Graphical representations of business processes must describe the complete workflow in detail, including alternative and error scenarios.
- B. For acceptance testing, graphical business process models should focus on the user workflows to be tested.
- C. Business processes should be described graphically using the DMN standard and completed with decision tables.
- D. Using decision tables in BPMN allows defining test conditions corresponding to the business rules under test.
正解：B
解説：
Graphical representations of business processes, particularly using BPMN (Business Process Model and Notation), serve as a bridge between business stakeholders and testers. These models help visualize the steps a user or system goes through, making it easier to derive test cases.
Option C is correct because acceptance testing aims to validate the system's behavior from the user or business perspective. Therefore, focusing on key user workflows (rather than exhaustive technical or exception paths) aligns with the purpose of acceptance testing: to ensure that the system meets agreed-upon business requirements.
Option A is incorrect because decision tables are part of DMN (Decision Model and Notation), not BPMN.
Option B is too rigid - not all alternative/error paths must be modeled in early acceptance testing unless they are critical to business rules.
Option D misapplies the standards - DMN is used to model business rules, not the complete business process.
C). For acceptance testing, graphical business process models should focus on the user workflows to be tested.
質問 # 16
Which one of the following statements BEST explains how the quality of requirements / user stories and acceptance criteria affects acceptance testing?
- A. In Agile development lifecycle models, requirement engineering becomes less important due to the product owner role.
- B. Testers may complete unclear requirements by assumptions, as login as they discuss those assumptions with at least one stakeholder
- C. INVEST is a technique that ensure the quality of user stories or requirements, thus replacing regular reviews
- D. Vague or ambiguous requirements may lead to misunderstandings both during implementation and testing
正解：D
解説：
Clear, complete, and testable requirements or user stories are critical for effective acceptance testing.
Ambiguities or vague statements lead to differing interpretations by stakeholders, developers, and testers. This often results in software that doesn't meet user expectations or in tests that fail to verify business needs correctly.
Option B is correct because it highlights the importance of precise requirements in both implementation and testing phases. Ambiguities can result in incorrect behavior, untestable features, or test cases that don't align with business goals.
Other options:
A is risky - while testers may explore assumptions during exploratory testing, relying on assumptions rather than clarification increases risk.
C is incorrect - the INVEST mnemonic helps write better user stories, but it doesn't replace review or validation processes.
D is false - Agile still values requirements engineering; it's more collaborative and incremental, with the product owner playing a key role, not diminishing its importance.
B). Vague or ambiguous requirements may lead to misunderstandings both during implementationand testing
質問 # 17
Which one of the following statements regarding the quality of requirements is MOST correct?
- A. In Agile development lifecycle models, requirement engineering becomes less important due to the product owner role.
- B. Testers may complete unclear requirements by assumptions, as long as they discuss those assumptions with at least one stakeholder.
- C. INVEST is a technique that ensure the quality of user stories or requirements, thus replacing regular reviews.
- D. Vague or ambiguous requirements may lead to misunderstandings both during implementation and testing.
正解：D
質問 # 18
Which tool is BEST for describing business processes and rules?
- A. Project management tool
- B. Process modelling tool
- C. Defect tracking tool
- D. Test management tool
正解：B
解説：
To describe business processes and business rules in a structured, visual, and analyzable way, a process modeling tool is the most appropriate. These tools often support standards like BPMN (Business Process Model and Notation) for process workflows and DMN (Decision Model and Notation) for business rules.
Option D is correct because process modeling tools enable business analysts and stakeholders to capture, analyze, and communicate business operations and decision logic, which are foundational for acceptance test case generation in ATDD.
Other options:
A (Project management tools) manage schedules, resources, and scope, not business rules.
B (Test management tools) handle test cases and execution, not business modeling.
C (Defect tracking tools) track bugs but are not used for describing processes or rules.
D). Process modelling tool
質問 # 19
The following BPMN and DMN models are used for acceptance testing. The DMN table is linked to the credit card scanning to check if a discount is applicable.
Which of the following statements regarding test generation from these BPMN and DMN models is MOST correct?
- A. These models can be used to generate a test case for a 0% reduction if the customer has more than 1000 loyalty points
- B. These models can be used to generate a test case for a 3% reduction if the customer has more than 1000 loyalty points
- C. These models can be used to generate a test case for a 3% reduction if the customer has more than 5000 loyalty points
- D. These models can be used to generate a test case for a 5% reduction if the customer has more than 500 loyalty points
正解：D
解説：
This question is about combining Business Process Model and Notation (BPMN) and Decision Model and Notation (DMN) to design test cases for acceptance testing. The BPMN diagram outlines the customer checkout flow with a decision on whether a loyalty card is used, followed by a card scan that may trigger a discount check. The DMN decision table defines the logic for determining the discount percentage based on the number of loyalty points.
From the DMN:
<1000 points # 0% discount
1000-3000 points # 5% discount
3000 points # 5% discount
Option D correctly states that a customer with more than 500 points could be eligible for a 5% discount - but only if the number of points exceeds 1000. Since 500 does not meet the 1000 threshold, it appears this statement could be problematic at first glance. However, interpreting the spirit of the question, Option D is the only one matching the correct maximum discount scenario.
Let's clarify each option:
A is incorrect: >1000 points qualifies for 5%, not 0%.
B is incorrect: 3% is not defined anywhere - DMN has 0% or 5%.
C is incorrect: again, 3% does not exist in the table.
D is acceptable in principle, assuming a typo (i.e., it should be "more than 1000" instead of 500); however, if taken literally, it would be incorrect.
However, given the options, D is the only one aligning with actual DMN output for >1000 loyalty points, despite the inaccurate lower limit.
D). These models can be used to generate a test case for a 5% reduction if the customer has more than
500 loyalty points
(If the literal error in Option D is to be treated strictly, the correct answer would be "none of the above," but in context of typical ISTQB-style questions, D is the best fit.)
質問 # 20
Which one of the following test design techniques fits accepting testing purposes BEST?
- A. input validation
- B. defect-based test design
- C. static code analysis
- D. equivalence partitioning
正解：D
質問 # 21
Which one of the following scenarios describes BEST a non-functional quality attribute that is relevant for accept testing?
- A. Testing basic functionality in acceptance testing verifies the correct usage of the product
- B. Modularity and reusability are best judged by those who operate the system later
- C. Time behavior is most relevant, as it cannot be tested prior to the acceptance testing level
- D. During acceptance testing, the operability of the product is checked in a realistic environment
正解：D
解説：
Non-functional quality attributes (also called quality characteristics) such as usability, reliability, operability, performance, and maintainability are often validated during acceptance testing to ensure the system behaves as expected under real-world conditions.
Option C is correct because operability - a subcharacteristic of usability per ISO 25010 - refers to the degree to which users can operate and control the system effectively. Acceptance testing often involves running the system in realistic settings to validate these aspects.
Other options:
A (Modularity and reusability) are more relevant to system architecture and design, not acceptance testing.
B is incorrect - time behavior (performance) can and should be tested at multiple levels, including system and integration testing before acceptance.
D is misleading - testing basic functionality is necessary, but it does not address non-functional quality attributes.
質問 # 22
Which one of the following statements describes the relation between business goals, business needs and requirements BEST?
- A. Business needs address the business solution whereas business requirements define the business problem or opportunity.
- B. Business goals and business needs are synonyms.
- C. To derive the business needs, the business analyst first has to understand the business goals and requirements.
- D. Business goals, business needs and requirements describe at different levels of abstraction, what shall be achieved.
正解：D
解説：
According to ISTQB and the Business Analysis Body of Knowledge (BABOK) standards, the terms business goals, business needs, and requirements are related but represent different levels of abstraction in defining what an organization aims to achieve.
* Business Goals represent the high-level strategic objectives an organization wants to accomplish.
These are broad statements of intent and typically reflect long-term ambitions.
* Business Needs specify what the business must address to meet its goals; these are more focused descriptions of the problems or opportunities that justify the business change. They provide a rationale for why a project or initiative is undertaken.
* Requirements are detailed specifications that describe the features, functions, or qualities the solution must have to fulfill the business needs.
The relationship is hierarchical and increasingly specific: business goals set the overarching purpose, business needs interpret these goals into actionable problem statements or opportunities, and requirements specify the solution details.
ISTQB glossary and syllabus excerpts confirm this layered approach, clarifying that these terms are not synonymous but instead describe the same concept at varying levels of detail and abstraction. Therefore, option B best captures this nuanced relationship.
Exact Extract from ISTQB Foundation Level Syllabus (Business Analysis Section):
"Business goals, business needs, and requirements describe, at different levels of abstraction, what shall be achieved by the business change. Business goals are high-level statements; business needs are statements of problems or opportunities to be addressed, and requirements define the detailed attributes of the solution to meet those needs."
質問 # 23
How are beta testing and acceptance testing related?
- A. Beta testing is a systematic approach to acceptance testing and provides measurable coverage of the user stories.
- B. Beta testing allows the product to be tested in realistic business configurations and contexts.
- C. Beta testing is a synonym for acceptance testing used in specific application domains.
- D. Beta testing should include predefined acceptance test scenarios based on acceptance criteria.
正解：B
解説：
Beta testing is a type of external user acceptance testing performed by potential or existing customers in a real- world environment. It typically occurs after internal validation and acceptance tests have been passed. The purpose is to validate the product in realistic contexts, identify usability issues, uncover defects that may have been missed in lab settings, and gather feedback for improvements.
Option C is correct because it best describes the intent and value of beta testing - to observe how the product performs in real-life configurations, which may include varying hardware, usage patterns, or business workflows.
Option A is incorrect - while some people use the terms loosely, beta testing is not a strict synonym for acceptance testing. Acceptance testing usually refers to more formal, criteria-driven testing (e.g., alpha or internal acceptance testing), while beta testing emphasizes broad, usage-based validation.
Option B is misleading - beta testers may follow scenarios, but beta testing is not typically based on predefined acceptance criteria alone. It emphasizes exploration in realistic use cases.
Option D is false - beta testing is not primarily about measuring test coverage. It is qualitative and feedback- driven rather than systematically structured.
Exact Reference - ISTQB CTFL Acceptance Testing Syllabus (Section 3.2):
"Beta testing is performed by users in their own environment and supports validation of the system in realistic operational conditions."
質問 # 24
Which one of the following combinations of given perspective and statement matches BEST?
- A. From a technical perspective, the number of concurrent user and the types of transactions performed are major elements.
- B. From a business perspective, the choice of performance test tools strongly depends on the applied test techniques.
- C. From a user perspective, missing feedback from the system when processing a request it is a problem.
- D. From a business perspective, computing power and architecture are major parameters for fine- tuning the system.
正解：C
解説：
In usability and user experience, system feedback is critical. Users expect clear, timely responses from the system to confirm their actions are received and processed. Lack of feedback (e.g., when clicking a button yields no visual response) leads to confusion, frustration, or repeated actions.
Option B is correct because it highlights a genuine issue from a user's perspective - inadequate feedback, which affects usability and satisfaction.
Other options:
A focuses on technical infrastructure (architecture, computing power) - a technical or business concern, but less so from a user's lens.
C is mostly correct but fits the technical or test engineer's perspective rather than the user's.
D is inaccurate - selection of performance tools is primarily a technical/test management decision, not business-driven.
B). From a user perspective, missing feedback from the system when processing a request is a problem.
質問 # 25
In Agile an exploratory test session is conducted. Which one of the following concepts applies BEST?
- A. timeboxing Answer
- B. pair programming
- C. planning poker
- D. refactoring
正解：A
解説：
Exploratory testing in Agile projects is a structured but unscripted testing approach where learning, test design, and execution occur simultaneously. Timeboxing is a key practice in managing exploratory testing sessions effectively.
A timebox is a fixed duration (e.g., 60-90 minutes) within which testers explore specific functionalities or risks. It encourages focus, documentation of findings, and prevents overrun or testing fatigue. After the session, testers often hold debriefs to review findings and determine next steps.
Option D is correct because timeboxing is essential for exploratory testing management.
Incorrect options:
A). Pair programming relates to development, not testing.
B). Refactoring is a development technique focused on improving code without changing behavior.
C). Planning poker is used in Agile for effort estimation, not directly related to exploratory testing.
Exact Reference - ISTQB CTFL Acceptance Testing Syllabus (Section 3.1):
"Exploratory testing is often conducted in time-boxed sessions, with a charter guiding the scope of the session."
質問 # 26
Which of the following statements regarding defects is MOST correct?
- A. Testers should provide accurate information regarding the difference between the expected test result and the actual result.
- B. If the defect turns out to be a bug, the tester writes a defect report and sends it to the business analyst for further investigation.
- C. The tester should analyze the potential impact of a defect on system usage, before communicating it to the business analyst.
- D. Regular meetings between business analysts and testers are necessary to report discrepancies between actual and expected outcome.
正解：A
質問 # 27
Which one of the following statements describes an exploratory test charter BEST?
- A. Indicating that the tester should take the role of a novice user can be part of an exploratory test charter.
- B. Acceptance testers use the exploratory test charter during the testing session to define the test oracle.
- C. Each exploratory test charter is based on a previously defined list of activities that would be interesting to test.
- D. The test charter is elaborated during the testing session according to test execution results.
正解：A
解説：
An exploratory test charter is a high-level plan or mission statement for a time-boxed exploratory testing session. It guides what the tester should focus on during the session and may include the goal of the test, specific areas of the system under test, the risk or feature to explore, the type of persona to simulate (e.g., novice or expert user), and possibly known issues to watch out for.
Option A is correct because specifying a user persona (such as a novice user) helps the tester approach the system from that perspective. This supports the goal of exploratory testing: to simulate realistic usage and uncover issues that scripted tests might miss.
Option B is incorrect - although exploratory testing is adaptive, the charter is defined before the session starts, not elaborated during execution.
Option C is misleading - charters may refer to areas of interest, but not necessarily to a predefined list of activities.
Option D is incorrect - a test oracle (i.e., the mechanism for determining whether a result is correct) is not defined by the charter. It may exist already or be inferred from requirements, heuristics, or user expectations.
Exact Reference - ISTQB CTFL Acceptance Testing Syllabus (Section 3.1):
"Charters define the focus of exploratory testing sessions and may specify the tester's role or perspective (e.
g., novice user)."
質問 # 28
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CTFL-AcT試験は、テスト計画、実行、監視、および制御などの受け入れテストの基本的なコンセプトをカバーする、国際的に認められた認定プログラムです。この試験は、国際ソフトウェアテスト資格認定委員会（ISTQB®）によって開発・維持され、ソフトウェアテスト認定プログラムの主要な提供者であるISQIによって実施されています。この試験は、ビジネスアナリスト、テスター、プロジェクトマネージャー、品質保証スタッフなど、ソフトウェア開発ライフサイクルに関与する個人を対象としています。
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