Discuss ISTQB ATA Exam Topic 1 Question 23

For an ATM banking project introduced earlier, ''When the user first inserts a valid credit card type, the system considers the user to be in an unauthenticated state. When requesting a cash advance, the user must be in an authenticated state. The user authenticates by entering the proper PIN code. When authenticating the user, the system shall allow the user to enter their PIN code up to three times before failing the authentication and rejecting the card. On the first and second try, the system shall prompt the user to re-enter the PIN code.''

Suppose you are concerned that, depending on the exact number of invalid PIN codes entered, the system might behave improperly. Which of the following test design techniques is specifically targeted at such failures?

[K4] 3 credits

AEquivalence Partitioning extended by boundary value analysis

BPairwise Testing with orthogonal arrays

CState Transition Testing using 1-switch coverage

DClassification Tree Method

Suggested Answer: C

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15 comments · newest first

Lashandra 11 months ago

Pairwise Testing might miss some edge cases here.

Matilda 12 months ago

Totally agree, State Transition Testing is the way to go!

Glenna 12 months ago

Wait, can the system really handle three tries without issues?

Lenita 12 months ago

I think Equivalence Partitioning would cover it too.

Wilda 1 year ago

Sounds like a classic case for State Transition Testing!

Avery 1 year ago

I thought classification tree method was more about organizing inputs, but I'm not confident if it directly addresses the specific failures mentioned in the question.

Verona 1 year ago

I practiced a question similar to this, and I feel like the state transition testing is the best fit because it focuses on how the system behaves with different inputs.

Anabel 1 year ago

I'm not entirely sure, but I think equivalence partitioning might help identify valid and invalid PIN inputs.

Evette 1 year ago

I remember studying state transition testing, and it seems like it would apply here since we're dealing with different states of authentication.

Gilberto 1 year ago

I'm a bit confused by the terminology in this question. What exactly is an L3VPN endpoint? I'll need to make sure I understand the key concepts before I can confidently select the right answers.

Linsey 1 year ago

The FIFO ordering is important, and using the Azure Storage Queue trigger seems like a good way to handle that. I'll focus on making sure the queue processing is set up correctly.

Lashon 1 year ago

Alright, time to put my knowledge to the test. I'll need to consider the memory limitations of the 32-bit system and the maximum memory supported by Windows Server 2008 Standard.

Darnell 1 year ago

This seems straightforward enough. The key is making sure the spanning tree policy is properly configured and bound to the switch policy group. I think if I can nail those steps, I should be able to get this question right.

Carlton 1 year ago

This seems like a straightforward question about the responsibilities of a bank under the Government Securities Act. I'll need to carefully read through the details and options to determine the correct answer.

Dorothy 1 year ago

Okay, I think I know the answer here. Let me double-check the options.

ISTQB ATA Exam - Topic 1 Question 23 Discussion