Discuss ISQI CT-AI Exam Topic 1 Question 36

Which statement regarding pairwise testing in an AI-based automotive lane-keeping assist system is correct?

Choose ONE option (1 out of 4)

APairwise testing reduces the test suite so much that it is typically feasible within the available time.

BPairwise testing can reduce testing efforts otherwise very high due to the large number of parameters.

CPairwise testing only uses parameters directly influenced by the driver, otherwise the number of test cases becomes too large.

DPairwise testing is usually insufficient because most defects arise only from interactions of many parameters.

Suggested Answer: B

The ISTQB CT-AI syllabus (Section4.3 -- Test Design for AI-Based Systems) highlights pairwise testing as an effectivetest-case reduction techniquefor systems with many input parameters. Lane-keeping assist systems typically include environmental, sensor, and vehicle-dynamic parameters, making exhaustive testing infeasible. Pairwise testing significantly reduces the number of test cases while still capturingall 2-way interactions, which are responsible for a large proportion of software defects.

OptionBaligns with this syllabus description: pairwise testing reduces otherwise extremely large parameter combinations, making test effort manageable.

Option A overstates feasibility guarantees; the syllabus never claims pairwise testing always makes testing ''typically feasible.'' Option C is unsupported and incorrect because pairwise testing doesnotrestrict parameters to driver-controlled ones. Option D is incorrect because, although some defects arise from higher-order interactions, pairwise testing captures many relevant defects and is widely recognized as a pragmatic compromise.

Thus,Option Bis the correct statement.

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26 comments · newest first

Dulce 19 days ago

Overall, B seems the most balanced option for practical testing.

Monroe 24 days ago

C is interesting, but I feel it limits the scope too much.

Micaela 30 days ago

D might be true, but it feels too negative about pairwise testing.

Lashawnda 1 month ago

A seems too optimistic. Time constraints are always tight.

Kina 1 month ago

I agree, B makes sense. Testing can get overwhelming otherwise.

Adelina 2 months ago

I think B is the best choice. It really helps with many parameters.

Tien 2 months ago

Overall, B feels right. It balances effort and coverage well.

Magdalene 2 months ago

C might be too limiting. We need to consider all parameters.

Tina 2 months ago

D is a valid point too. Many defects come from complex interactions.

Barb 2 months ago

A seems too optimistic. Time constraints are always tight.

Dean 2 months ago

I agree, B makes sense. Testing can get overwhelming without it.

Margot 3 months ago

I think B is the best choice. It really helps manage all those parameters.

Nieves 3 months ago

B is definitely the way to go for efficiency in testing!

Nikita 3 months ago

C is misleading. There are more factors at play than just driver-influenced ones.

Arthur 3 months ago

A seems a bit too optimistic. How much can it really reduce the test suite?

Alpha 3 months ago

I disagree with D. Sometimes you just need to focus on key interactions.

Ocie 3 months ago

I think B is spot on! It really helps manage all those parameters.

Luis 4 months ago

C is misleading. There are definitely more factors to consider.

Timothy 4 months ago

Wait, are we saying pairwise testing is enough? That’s surprising!

Stephaine 4 months ago

A seems too optimistic. Not sure it reduces the test suite that much.

Lili 6 months ago

I disagree with D. Sometimes you just need to test more combinations!

Jolanda 6 months ago

I think B is spot on. It really helps with all those parameters.

Ming 6 months ago

I feel like option D could be true since I've read that many defects come from complex interactions, but I need to double-check that.

Cornell 6 months ago

I’m a bit confused about option C; I thought pairwise testing could involve all parameters, not just those influenced by the driver.

Rikki 6 months ago

I think option B sounds right because I've seen similar questions where pairwise testing was highlighted for reducing testing efforts.

Sherly 7 months ago

I remember pairwise testing helps manage the complexity of testing multiple parameters, but I'm not sure if it really reduces the test suite that much.

iSQI CT-AI Exam - Topic 1 Question 36 Discussion