ISTQB ATA Exam - Topic 1 Question 81 Discussion

Actual exam question for ISTQB's ATA exam

Question #: 81
Topic #: 1

A diamond retailer is introducing a new stock taking system. Each diamond is assigned a character that represents the colour. The valid domain for the character ranges from D to Z. The colour is then graded using the following scale:

Which of the following test sets will provide the best equivalence partitioning coverage?

[K3] 2 credits

AD, F, G, H, K, M, N, P, T, Z

BD, G, K, N, S

CA, E, H, L, P, T,

DE, H, L, M, U,

Show Suggested Answer

Suggested Answer: C

by Serina at Oct 21, 2024, 08:32 AM

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Cammy

6 months ago

I'm not sure if D is the best choice, honestly.

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Charlie

6 months ago

Wait, why are we using letters instead of numbers?

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Loren

6 months ago

B seems too limited, not enough variety.

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Leah

7 months ago

I think option A covers more ground!

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Pauline

7 months ago

The valid range is D to Z, right?

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Mammie

7 months ago

I'm a bit confused about the grading scale. I hope I can remember how it applies to the characters when choosing the best set.

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Galen

7 months ago

I practiced a similar question, and I feel like the key is to include both extremes and some middle values. Maybe option B?

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Lennie

7 months ago

I think option A might be the best because it includes a wider range of letters, but I could be wrong.

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Jerry

8 months ago

I remember we discussed equivalence partitioning in class, but I'm not sure which set covers all the ranges effectively.

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German

8 months ago

I feel pretty good about this one. The key is identifying the valid partitions based on the grading scale, and option B looks like it covers those partitions effectively. I'll go with that as my final answer.

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Detra

8 months ago

This is a tricky one. I'm not sure if I fully understand the grading scale and how that impacts the valid partitions. I might need to do some more research on equivalence partitioning to feel confident in my answer.

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An

8 months ago

Okay, I think I've got this. The valid characters are D through Z, and the grading scale gives me the partitions I need to cover. I'll go with option B, as it seems to hit the key partitions.

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Cory

8 months ago

Hmm, I'm a bit confused by the color grading scale. Does that mean the valid characters are only those listed, or can they be any character from D to Z? I'll need to clarify that before I can determine the best test set.

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Serita

8 months ago

This looks like a straightforward equivalence partitioning question. I'll need to identify the valid partitions based on the given color grading scale and then select the test set that covers those partitions.

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Judy

1 year ago

Option B looks good to me. Efficient and straightforward. Though I have to admit, I'm a bit disappointed they didn't include a 'Bling' color grade. That would have been the ultimate diamond experience!

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Chi

11 months ago

Sometimes simplicity is key, option B covers the necessary colors.

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Aja

11 months ago

I know what you mean, a 'Bling' color grade would have been a fun addition!

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Kathrine

11 months ago

I agree, option B seems like the most efficient choice.

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Josphine

1 year ago

I'm going with option B too. Gotta love those concise test sets that still hit the key partitions. Although, I do wonder if the diamond retailer has considered adding a 'Glitter' color grade. That would really spice things up!

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Detra

1 year ago

Hmm, I'm not sure. Option A seems to cover a wide range of the valid domain, but it's a bit overkill. Maybe option B is the most efficient solution.

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Floyd

12 months ago

I agree, option B is probably the best choice.

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Samira

12 months ago

Option B seems more focused and efficient.

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Shaquana

1 year ago

I think option A covers too many characters.

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Breana

1 year ago

But option A covers a wider range of characters, which could be more comprehensive.

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Fredric

1 year ago

I disagree, I believe option B provides better coverage with fewer characters.

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Carmela

1 year ago

Okay, this question is asking about the best equivalence partitioning coverage for the new diamond color grading system. I think option B covers the most important partition, the valid domain from D to Z.

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