ISTQB Certified Tester - AI Testing

Here you have the best ISTQB CT-AI practice exam questions

You have 38 total questions across 8 pages (5 per page)
These questions were last updated on February 17, 2026
This site is not affiliated with or endorsed by ISTQB.

Question 1 of 38

Which ONE of the below is MOST likely to indicate a problem with underfitting in an ML model?

The model is vulnerable to adversarial attacks

The model fails to generalize on new data

The model uses a large amount of resources to make a prediction

The model is inaccurate on data similar to the training data

Question 2 of 38

Which ONE of the below is NOT an input to an activation function in a neural network?

Bias

Activation values from the previous layer

Activation values from the current layer

The weights assigned to the connections

Question 3 of 38

Which ONE of the following options is a technology used to implement AI?

Genetic algorithms

Autonomy

Classification

Reinforcement learning

Question 4 of 38

Which ONE of the following statements about the hardware used to implement ML systems is MOST likely to be correct?

Specialist hardware is necessary for ML

Less bits are required for hardware supporting ML

Support for complex operations is required

A higher clock speed is required

Question 5 of 38

Which TWO of the below examples of systems BEST describe regression?
1. Predicting the age of a person
2. Predicting if someone is aged over 18
3. Predicting how much fuel is required for a journey
4. Predicting whether a release will pass all required tests

1, 3

1, 4

2, 3

1, 2

About the ISTQB CT-AI Certification Exam

About the Exam

The ISTQB CT-AI (ISTQB Certified Tester - AI Testing) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 38 practice questions across 8 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our CT-AI questions are regularly updated to reflect the latest exam objectives.