Discuss ISQI CT-AI Exam Topic 3 Question 39

A neural network has been designed and created to assist day-traders improve efficiency when buying and selling commodities in a rapidly changing market. Suppose the test team executes a test on the neural network where each neuron is examined. For this network, the shortest path indicates a "buy" and it will only occur when the one-day predicted value of the commodity is greater than the spot price by 0.75%. The neurons are stimulated by entering commodity prices and testers verify that they activate only when the future value exceeds the spot price by at least 0.75%.

Which of the following statements BEST explains the type of coverage being tested on the neural network?

AThreshold coverage

BNeuron coverage

CSign-change coverage

DValue-change coverage

Suggested Answer: A

The syllabus details that threshold coverage requires each neuron to achieve an activation value greater than a specified threshold:

'Threshold coverage: Full threshold coverage requires that each neuron in the neural network achieves an activation value greater than a specified threshold.'

(Reference: ISTQB CT-AI Syllabus v1.0, Section 6.2, page 48 of 99)

Get Premium CT-AI Questions as Interactive Web-Based Practice Test or PDF Real Exam Format Detailed Explanations Instant Access Get Your Practice Test

15 comments · newest first

Vincent 1 month ago

Definitely A) Threshold coverage. It’s all about that specific percentage.

Tammy 1 month ago

C) Sign-change coverage could apply, but the threshold is key here.

Geraldine 1 month ago

But isn't it more about the threshold? A) makes more sense to me.

Antione 2 months ago

I lean towards B) Neuron coverage. It's about how each neuron responds.

Ettie 2 months ago

Agreed, Jules. The network only activates above that threshold.

Jules 2 months ago

I think it's A) Threshold coverage. It fits the 0.75% requirement.

Ma 2 months ago

Not so sure about that, could be value-change coverage too.

German 2 months ago

Definitely threshold coverage, that 0.75% is key!

Reita 2 months ago

Wait, how can we be sure it works as intended?

Refugia 3 months ago

I think it's more about neuron coverage.

Fernanda 3 months ago

Sounds like threshold coverage to me!

Frankie 3 months ago

I’m leaning towards threshold coverage too, but I’m a bit confused about how it differs from sign-change coverage. They both seem similar in context.

Maile 3 months ago

I practiced a question like this, and I feel like value-change coverage could be relevant since it deals with how values affect neuron activation.

Dorothea 3 months ago

I'm not entirely sure, but neuron coverage sounds familiar. I remember it being about testing individual neurons, right?

Shantay 3 months ago

I think this might be related to threshold coverage since it mentions a specific percentage difference for activation.

iSQI CT-AI Exam - Topic 3 Question 39 Discussion