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iSQI CTFL_Syll2018 Exam - Topic 4 Question 94 Discussion

Actual exam question for iSQI's CTFL_Syll2018 exam
Question #: 94
Topic #: 4
[All CTFL_Syll2018 Questions]

A bank offers a savings account with various interest rates based on the current balance in the account. The balance ranges and respective interest rates are:

Using two-point boundary value analysis, which of the following sets of test Inputs provides the relatively highest level of boundary coverage?

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Suggested Answer: A

The correct answer is A, as it provides the highest level of boundary coverage using two-point boundary value analysis.Boundary value analysis is a black-box test technique that focuses on the boundaries of input and output partitions1.Two-point boundary value analysis is a variation of boundary value analysis that uses only two values for each boundary: one just below the boundary and one just above the boundary1. In this case, the boundaries are the balance ranges that correspond to different interest rates. Option A covers all four boundaries using two values for each boundary: $100.00 and $100.01 for the first boundary, $500.00 and $500.01 for the second boundary, $1,000.00 and $1,000.01 for the third boundary, and $5.00 as an invalid value below the lowest boundary. Option B covers only three boundaries using one value for each boundary: $100.00 for the first boundary, $500.00 for the second boundary, and $1,000.00 and $1,000.01 for the third boundary. Option C covers only two boundaries using three values for each boundary: $100.00, $100.01, and $100.02 for the first boundary, and $500.00 and $999.99 for the second boundary.Option D covers only two boundaries using one value for each boundary: $100.00 for the first boundary, and $1,000.01 for the third boundary, and $5.00 as an invalid value below the lowest boundary. Reference:1, Section 4.2.3


by Nida at Aug 23, 2024, 04:34 PM

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Ailene
3 months ago
Why is $5.00 even in the mix? Feels random!
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Anisha
3 months ago
Totally agree with B, it hits all the key points.
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France
3 months ago
Wait, are we sure about those ranges? Seems off.
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Joesph
4 months ago
I think D has some good points too.
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Thomasena
4 months ago
Looks like option B covers the boundaries best!
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Roselle
4 months ago
I practiced a similar question, and I think the key is to include values just below and above the limits, which makes me lean towards option A.
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Tayna
4 months ago
I feel like option D has a good mix too, but I can't recall if it fully captures the boundaries as well as B does.
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Belen
4 months ago
I think option B might be the right choice since it includes the exact boundaries of the ranges we studied.
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Elin
5 months ago
I remember we discussed boundary value analysis in class, but I'm not sure which option covers the boundaries best.
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Donte
5 months ago
I'm pretty confident I can solve this. The answer is option B - $100.00, $500.00, $1,000.00, $1,000.01. That covers all the key boundaries.
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Tenesha
5 months ago
Okay, I think I've got this. The key boundaries are $0.01, $100, $500, and $1,000. I'll need to test inputs just below and just above those values.
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Viola
5 months ago
This looks like a classic boundary value analysis problem. I'll need to carefully identify the key boundaries and test inputs that cover them.
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Desmond
5 months ago
Hmm, I'm a bit confused by the different balance ranges and interest rates. I'll need to study the problem closely to make sure I understand the requirements.
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Cassie
5 months ago
This one seems pretty straightforward. I'm going to go with C. Advisory, since that's the service that helps customers prepare for industry trends.
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Patrick
5 months ago
This question seems straightforward, but I want to make sure I understand the key points about EPMA before selecting the true statements.
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Salena
1 year ago
D seems like the way to go. Covering the exact boundaries should give you the best chance of catching any issues.
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Lavina
1 year ago
D is definitely the way to go for maximum boundary coverage in this scenario.
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Remona
1 year ago
I think D is the best choice too. It covers all the important boundary values.
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Harris
1 year ago
I agree, D seems like the most comprehensive option for boundary coverage.
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Eura
1 year ago
I agree with Lucia, option A seems to cover the most critical boundaries.
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Minna
1 year ago
Haha, I'd just put in $1,000.00 and see if the bank teller can figure out the right interest rate. That's the real boundary test!
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Lucia
1 year ago
But option A covers the lowest and highest balance ranges.
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Whitley
1 year ago
Option C looks good to me. It tests multiple values within each range, which should provide a higher level of coverage.
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Christa
1 year ago
Yes, option C seems to be the best choice for boundary coverage testing.
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Jackie
1 year ago
I agree, option C covers multiple values within each range for better coverage.
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Alpha
2 years ago
I disagree, I believe option C covers more boundaries.
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Lucia
2 years ago
I think option A provides the highest boundary coverage.
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Whitley
2 years ago
I think option B is the best choice. It covers the upper and lower boundaries of each interest rate range.
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Detra
1 year ago
Option A seems to have some missing boundary values, so it may not provide the highest level of coverage.
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Chuck
1 year ago
I think option D is not the best choice as it misses some boundary values.
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Azalee
1 year ago
I see your point, but I still think option B is the most comprehensive choice.
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Rosendo
1 year ago
But option C also covers all the boundary values, so it could be a good choice too.
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Dorian
1 year ago
I think option C might provide even better coverage with more test inputs.
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Harrison
1 year ago
I agree, option B covers all the boundary values effectively.
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Ernie
2 years ago
I agree, option B covers all the boundary values effectively.
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