A user is filling out an online tax form. After submitting, the system displays 'Error: Please check your entries.' The user is unsure what to fix. According to ISO 9241-13, what is the most appropriate improvement to the error message?

Specify the exact field and the expected format

Use a generic message with a red exclamation icon

Automatically correct the error and resubmit

Provide a help link to the full user manual

A UX designer is reviewing a data-entry form. The form currently shows a generic error message 'Invalid input' for any mistake. According to ISO 9241-110 dialogue principles, which improvement best aligns with the principle of 'error tolerance'?

Provide specific error messages that explain the problem and how to fix it

Use a red border to highlight the invalid field

Prevent errors by disabling the submit button until all fields are valid

Allow the user to submit and correct errors later

A software company is redesigning its customer portal. Following ISO 9241-210, the team has conducted a context of use analysis and specified user requirements. What should they do next in the human-centred design process?

Finalize the user requirements and freeze the design

Conduct a usability evaluation of the existing portal

Move directly to implementation and deployment

Produce design solutions that meet the user requirements

A product team is specifying user requirements for a new project management tool. They have conflicting input from stakeholders: some want a simple interface, others want advanced features. According to ISO 9241-210, what is the best way to resolve this conflict?

Let the most senior stakeholder decide

Defer the decision until after development

Include all features to satisfy all stakeholders

Prioritize requirements based on user research and context of use

Certified Tester Usability Testing

Domain 3Objective 3

ISO Standards CT-UT Practice Questions (Page 1)

Part of the Usability and Accessibility Standards domain, which makes up ~15% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 65 practice questions to prepare you well beyond it. (estimate)

65questions here

13free pages

26concepts

26 Concepts in This Objective

ISO 9241-11 Usability Definition
ISO 9241-210 Human-Centred Design
ISO/IEC 25010 Quality in Use
ISO 9241-110 Dialogue Principles
ISO 9241-171 Accessibility
ISO 9241-20 Accessibility of ICT
ISO 9241-11 Context of Use
ISO 9241-12 Presentation of Information
ISO 9241-13 User Guidance
ISO 9241-14 Menu Dialogues
ISO 9241-15 Command Dialogues
ISO 9241-16 Direct Manipulation Dialogues
ISO 9241-17 Form-Filling Dialogues
ISO 9241-151 Web User Interfaces
ISO 9241-171 Accessibility Requirements
ISO 9241-20 Accessibility of ICT Products
ISO 9241-11 Usability Measurement
ISO 9241-210 Context of Use Analysis
ISO 9241-210 User Requirements Specification
ISO 9241-210 Design Solutions
ISO 9241-210 Evaluation
ISO/IEC 25010 Quality Model
ISO/IEC 25062 Usability Test Reports
ISO 9241-11 Satisfaction
ISO 9241-11 Effectiveness
ISO 9241-11 Efficiency

Questions 1–5

1application · medium
A user is filling out an online tax form. After submitting, the system displays 'Error: Please check your entries.' The user is unsure what to fix. According to ISO 9241-13, what is the most appropriate improvement to the error message?
Select an answer first
2application · medium
A UX designer is reviewing a data-entry form. The form currently shows a generic error message 'Invalid input' for any mistake. According to ISO 9241-110 dialogue principles, which improvement best aligns with the principle of 'error tolerance'?
Select an answer first
3application · medium
A software company is redesigning its customer portal. Following ISO 9241-210, the team has conducted a context of use analysis and specified user requirements. What should they do next in the human-centred design process?
Select an answer first
4expert · medium
A product team is specifying user requirements for a new project management tool. They have conflicting input from stakeholders: some want a simple interface, others want advanced features. According to ISO 9241-210, what is the best way to resolve this conflict?
Select an answer first
5foundation · easy
In a usability test, a user completes a task successfully but takes twice as long as expected. According to ISO 9241-11, which aspect of usability is most directly affected by the extra time?
Select an answer first

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