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CT-AI Certified Tester AI Testing Exam Questions and Answers

Questions 4

When verifying that an autonomous AI-based system is acting appropriately, which of the following are MOST important to include?

Options:

A.

Test cases to verify that the system automatically confirms the correct classification of training data

B.

Test cases to detect the system appropriately automating its data input

C.

Test cases to detect the system prompting for unnecessary human intervention

D.

Test cases to verify that the system automatically suppresses invalid output data

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Questions 5

Which ONE of the following hardware is MOST suitable for implementing Al when using ML?

SELECT ONE OPTION

Options:

A.

64-bit CPUs.

B.

Hardware supporting fast matrix multiplication.

C.

High powered CPUs.

D.

Hardware supporting high precision floating point operations.

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Questions 6

Which of the following aspects is a challenge when handling test data for an AI-based system?

Options:

A.

Personal data or confidential data

B.

Output data or intermediate data

C.

Video frame speed or aspect ratio

D.

Data frameworks or machine learning frameworks

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Questions 7

Which of the following is one of the reasons for data mislabelling?

Options:

A.

Lack of domain knowledge

B.

Expert knowledge

C.

Interoperability error

D.

Small datasets

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Questions 8

Which ONE of the following statements correctly describes the importance of flexibility for Al systems?

SELECT ONE OPTION

Options:

A.

Al systems are inherently flexible.

B.

Al systems require changing of operational environments; therefore, flexibility is required.

C.

Flexible Al systems allow for easier modification of the system as a whole.

D.

Self-learning systems are expected to deal with new situations without explicitly having to program for it.

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Questions 9

An airline has created a ML model to project fuel requirements for future flights. The model imports weather data such as wind speeds and temperatures, calculates flight routes based on historical routings from air traffic control, and estimates loads from average passenger and baggage weights. The model performed within an acceptable standard for the airline throughout the summer but as winter set in the load weights became less accurate. After some exploratory data analysis it became apparent that luggage weights were higher in the winter than in summer.

Which of the following statements BEST describes the problem and how it could have been prevented?

Options:

A.

The model suffers from drift and therefore should be regularly tested to ensure that any occurrences of drift are detected soon enough for the problem to be mitigated.

B.

The model suffers from drift and therefore the performance standard should be eased until a newmodel with more transparency can be developed.

C.

The model suffers from corruption and therefore should be reloaded into the computer system being used, preferably with a method of version control to prevent further changes.

D.

The model suffers from a lack of transparency and therefore should be regularly tested to ensure that any progressive errors are detected soon enough for the problem to be mitigated.

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Questions 10

Consider a machine learning model where the model is attempting to predict if a patient is at risk for stroke. The model collects information on each patient regarding their blood pressure, red blood cell count, smoking, status, history of heart disease, cholesterol level, and demographics. Then, using a decision tree the model predicts whether or not the associated patient is likely to have a stroke in the near future. One the model is created using a training data set, it is used to predict a stroke in 80 additional patients. The table below shows a confusion matrix on whether or not the model mode a correct or incorrect prediction.

The testers have calculated what they believe to be an appropriate functional performance metric for the model. They calculated a value of 2/3 or 0.6667.

Options:

A.

F1 –source

B.

Precision

C.

Recall

D.

Accuracy

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Questions 11

Which ONE of the following combinations of Training, Validation, Testing data is used during the process of learning/creating the model?

SELECT ONE OPTION

Options:

A.

Training data - validation data - test data

B.

Training data - validation data

C.

Training data • test data

D.

Validation data - test data

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Questions 12

A company is using a spam filter to attempt to identify which emails should be marked as spam. Detection rules are created by the filter that causes a message to be classified as spam. An attacker wishes to have all messages internal to the company be classified as spam. So, the attacker sends messages with obvious red flags in the body of the email and modifies the from portion of the email to make it appear that the emails have been sent by company members. The testers plan to use exploratory data analysis (EDA) to detect the attack and use this information to prevent future adversarial attacks.

How could EDA be used to detect this attack?

Options:

A.

EDA can help detect the outlier emails from the real emails.

B.

EDA can detect and remove the false emails.

C.

EDA can restrict how many inputs can be provided by unique users.

D.

EDA cannot be used to detect the attack.

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Questions 13

A team of software testers is attempting to create an AI algorithm to assist in software testing. This particular team has gone through over 40 iterations of testing and cannot afford to spend as much time as it takes to run the full regression test suite. They are hoping to have the algorithm reduce the amount of testing required thus reducing the time needed for each testing cycle.

How can an AI-based tool be expected to assist in this reduction?

Options:

A.

By using a clustering method to quantify the relationships between test cases and then assigning each test case to a category

B.

By performing optimization of the data from past iterations to see where the most common defects occurred and select the corresponding test cases

C.

By performing bayesian analysis to estimate the types of human interactions that are expected to be seen in the system and then selecting those test cases

D.

By using A/B testing to compare the last update with the newest change and compare metrics between the two

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Questions 14

You are using a neural network to train a robot vacuum to navigate without bumping into objects. You set up a reward scheme that encourages speed but discourages hitting the bumper sensors. Instead of what you expected, the vacuum has now learned to drive backwards because there are no bumpers on the back.

This is an example of what type of behavior?

Options:

A.

Error-shortcircuiting

B.

Reward-hacking

C.

Transparency

D.

Interpretability

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Questions 15

You have been developing test automation for an e-commerce system. One of the problems you are seeing is that object recognition in the GUI is having frequent failures. You have determined this is because the developers are changing the identifiers when they make code updates.

How could AI help make the automation more reliable?

Options:

A.

It could identify the objects multiple ways and then determine the most commonly used and stable identification for each object.

B.

It could modify the automation code to ignore unrecognizable objects to avoid failures.

C.

It could dynamically name the objects, altering the source code, so the object names will match the object names used in the automation.

D.

It could generate a model that will anticipate developer changes and pre-alter the test automation code accordingly.

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Questions 16

Max. Score: 2

Al-enabled medical devices are used nowadays for automating certain parts of the medical diagnostic processes. Since these are life-critical process the relevant authorities are considenng bringing about suitable certifications for these Al enabled medical devices. This certification may involve several facets of Al testing (I - V).

I.Autonomy

II.Maintainability

III.Safety

IV.Transparency

V.Side Effects

Which ONE of the following options contains the three MOST required aspects to be satisfied for the above scenario of certification of Al enabled medical devices?

SELECT ONE OPTION

Options:

A.

Aspects II, III and IV

B.

Aspects I, II, and III

C.

Aspects III, IV, and V

D.

Aspects I, IV, and V

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Questions 17

Which ONE of the following tests is MOST likely to describe a useful test to help detect different kinds of biases in ML pipeline?

SELECT ONE OPTION

Options:

A.

Testing the distribution shift in the training data for inappropriate bias.

B.

Test the model during model evaluation for data bias.

C.

Testing the data pipeline for any sources for algorithmic bias.

D.

Check the input test data for potential sample bias.

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Questions 18

A local business has a mail pickup/delivery robot for their office. The robot currently uses a track to move between pickup/drop off locations. When it arrives at a destination, the robot stops to allow a human to remove or deposit mail.

The office has decided to upgrade the robot to include AI capabilities that allow the robot to perform its duties without a track, without running into obstacles, and without human intervention.

The test team is creating a list of new and previously established test objectives and acceptance criteria to be used in the testing of the robot upgrade. Which of the following test objectives will test an AI quality characteristic for this system?

Options:

A.

The robot must evolve to optimize its routing

B.

The robot must recharge for no more than six hours a day

C.

The robot must record the time of each delivery which is compiled into a report

D.

The robot must complete 99.99% of its deliveries each day

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Questions 19

Written requirements are given in text documents, which ONE of the following options is the BEST way to generate test cases from these requirements?

SELECT ONE OPTION

Options:

A.

Natural language processing on textual requirements

B.

Analyzing source code for generating test cases

C.

Machine learning on logs of execution

D.

GUI analysis by computer vision

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Questions 20

In a conference on artificial intelligence (Al), a speaker made the statement, "The current implementation of Al using models which do NOT change by themselves is NOT true Al*. Based on your understanding of Al, is this above statement CORRECT or INCORRECT and why?

SELECT ONE OPTION

Options:

A.

This statement is incorrect. Current Al is true Al and there is no reason to believe that this fact will change over time.

B.

This statement is correct. In general, what is considered Al today may change over time.

C.

This statement is incorrect. What is considered Al today will continue to be Al even as technology evolves and changes.

D.

This statement is correct. In general, today the term Al is utilized incorrectly.

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Questions 21

Which ONE of the following options is the MOST APPROPRIATE stage of the ML workflow to set model and algorithm hyperparameters?

SELECT ONE OPTION

Options:

A.

Evaluating the model

B.

Deploying the model

C.

Tuning the model

D.

Data testing

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Questions 22

Which ONE of the following models BEST describes a way to model defect prediction by looking at the history of bugs in modules by using code quality metrics of modules of historical versions as input?

SELECT ONE OPTION

Options:

A.

Identifying the relationship between developers and the modules developed by them.

B.

Search of similar code based on natural language processing.

C.

Clustering of similar code modules to predict based on similarity.

D.

Using a classification model to predict the presence of a defect by using code quality metrics as the input data.

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Questions 23

An image classification system is being trained for classifying faces of humans. The distribution of the data is 70% ethnicity A and 30% for ethnicities B, C and D. Based ONLY on the above information, which of the following options BEST describes the situation of this image classification system?

SELECT ONE OPTION

Options:

A.

This is an example of expert system bias.

B.

This is an example of sample bias.

C.

This is an example of hyperparameter bias.

D.

This is an example of algorithmic bias.

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Questions 24

Which of the following problems would best be solved using the supervised learning category of regression?

Options:

A.

Determining the optimal age for a chicken's egg laying production using input data of the chicken's age and average daily egg production for one million chickens.

B.

Recognizing a knife in carry on luggage at a security checkpoint in an airport scanner.

C.

Determining if an animal is a pig or a cow based on image recognition.

D.

Predicting shopper purchasing behavior based on the category of shopper and the positioning of promotional displays within a store.

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Exam Code: CT-AI
Exam Name: Certified Tester AI Testing Exam
Last Update: Mar 28, 2025
Questions: 80

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