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OMG-OCUP2-FOUND100 Exam - Topic 4 Question 1 Discussion

Actual exam question for OMG's OMG-OCUP2-FOUND100 exam
Question #: 1
Topic #: 4
[All OMG-OCUP2-FOUND100 Questions]

Choose the correct answer:

The BchaviorA state machine shown below is at rest in state s1 and the value of x Is 0.

If a signalA event occurs, what is the state machine's subsequent behavior?

Show Suggested Answer Hide Answer
Suggested Answer: C

The image showcases a state machine named 'BehaviorA'. It consists of two states: s1 and s2. There's also a transition labeled 'signalA' connecting these states. However, a guard condition, '[x > 0]' is placed on the transition. This indicates that the signalA event will only trigger the transition if the expression x > 0 evaluates to true.

In the scenario you described, the state machine is currently in state s1, and the value of x is 0. Since the guard condition '[x > 0]' is not satisfied (because x is 0), the signalA event will not trigger a transition to state s2.

Here's a breakdown of why other options are incorrect:

Option A (The state machine will transition to state s2 and execute ActivityA during the transition) is not valid because the guard condition prevents the transition.

Option B (The state machine will execute ActivityA and remain in state s1) is incorrect as ActivityA is only associated with the transition, which isn't happening in this case.

Option D (The state machine will remain in state s1, and processing of the signalA event occurrence will be deferred until either the value of x changes or the state machine changes state) is not entirely accurate. While the state machine remains in s1, the processing of the signalA event is consumed immediately, not deferred.

Therefore, considering the state machine's visual representation and the guard condition, option C best describes the state machine's behavior. The signalA event is acknowledged but has no effect because the transition requirements aren't met.


Contribute your Thoughts:

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Mollie
3 months ago
I thought it would just consume the event, so C makes sense too.
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Verdell
3 months ago
Definitely A, it transitions to s2 for sure!
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Benedict
3 months ago
Wait, how can it stay in s1 with x=0? Seems odd.
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Brent
4 months ago
Nah, I think it's D. The event gets deferred.
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Milly
4 months ago
I'm pretty sure it's option A.
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Jacquelyne
4 months ago
I vaguely remember that if the state machine is at rest, it might not react to certain events. Maybe option C is correct after all?
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Maddie
4 months ago
I feel like option D makes sense because it mentions deferring the event, but I can't recall if that's the right behavior for this scenario.
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Devorah
4 months ago
I think I practiced a similar question where the state machine stayed in the same state when an event occurred. Could that be option C?
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Telma
5 months ago
I remember something about state machines transitioning based on events, but I'm not sure if it always means executing an activity.
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Erick
5 months ago
I think I understand the state machine diagram. Based on the current state of s1 and the value of x, when the signalA event occurs, the state machine will transition to state s2 and execute ActivityA. The correct answer is A.
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Sheron
5 months ago
I'm not sure about this one. The question is asking about the subsequent behavior, but I'm not clear on how the different states and transitions work. I'll have to guess on this one.
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Rodrigo
5 months ago
Hmm, this looks tricky. I'm a bit confused about the different states and transitions. I'll need to re-read the question and diagram a few times.
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Denae
5 months ago
I think I can work through this step-by-step. Let me carefully analyze the state machine diagram and the question.
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Denae
5 months ago
Okay, I've got this. The state machine is currently in state s1 with x = 0. When the signalA event occurs, the state machine will transition to state s2 and execute ActivityA. The answer is A.
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Daren
5 months ago
I feel confident that the answer is B, the Sprint Retrospective. This is the ritual where the team comes together to analyze the completed Sprint and identify areas for improvement.
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Letha
5 months ago
This looks like a straightforward question about the type of message used for order confirmations. I think the answer is Triggered Email, since order confirmations are typically sent automatically in response to a customer's order.
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Domingo
2 years ago
That's a good point, It could be D) as well, depending on the situation
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Pamella
2 years ago
I'm not so sure, I think the answer might be D) because the state machine might defer processing of the signalA event occurrence
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Filiberto
2 years ago
I agree with because it makes sense for the state machine to transition to state s2 and execute ActivityA
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Domingo
2 years ago
I think the answer is A)
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Ling
2 years ago
D) The state machine will remain in state s1. and processing of the signalA event occurrence will be deferred until either the value of x changes or the state machine changes state.
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Michell
2 years ago
C) The state machine will remain in state s1. and the signalA event occurrence will be consumed without effect
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Ling
2 years ago
B) The state machine will execute ActivityA and remain in state sf.
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