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OMG-OCUP2-FOUND100 Exam - Topic 8 Question 22 Discussion

Choose the correct answer:Consider the following invalid state machine fragment:Why is the diagram invalid?
D) A transition is not allowed to leave and enter the same state.
A) A transition requires a trigger or guard.
B) A guard condition is not allowed on the initial transition.
C) A trigger is not allowed on the transition to the final state.

OMG-OCUP2-FOUND100 Exam - Topic 8 Question 22 Discussion

Actual exam question for OMG's OMG-OCUP2-FOUND100 exam
Question #: 22
Topic #: 8
[All OMG-OCUP2-FOUND100 Questions]

Choose the correct answer:

Consider the following invalid state machine fragment:

Why is the diagram invalid?

Show Suggested Answer Hide Answer
Suggested Answer: D

by Marleen at Sep 17, 2024, 03:33 AM

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Rickie
7 months ago
Wait, are we sure about that final state rule?
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Jolanda
7 months ago
No way, transitions can leave and enter the same state!
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Moon
7 months ago
I thought guards could be used anywhere?
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Natalya
8 months ago
Totally agree, that's a basic rule!
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Bette
8 months ago
A transition needs a trigger or guard.
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Arthur
8 months ago
I thought triggers were necessary for all transitions, but I'm confused about the final state rule. Did we cover that in class?
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Julene
8 months ago
I feel like the answer could be about transitions not being allowed to leave and enter the same state, but I can't recall the specifics.
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Carole
8 months ago
I think I saw a similar question where a guard condition was mentioned. It might be related to the initial transition here.
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Fredric
9 months ago
I remember something about transitions needing triggers or guards, but I'm not sure if that's the main issue here.
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Celestine
9 months ago
Okay, I think I've got it. The answer is D - a transition is not allowed to leave and enter the same state. That's a key rule for state machines that I remember from the course material.
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My
9 months ago
Hmm, I'm not sure about this one. I know transitions in state machines need to have either a trigger or a guard, but I'm not sure if that applies to the initial transition. I'll have to review the concepts again.
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Arthur
9 months ago
I'm a little confused by this question. The diagram looks valid to me, but I know state machines can have some specific rules. I'll need to think this through carefully.
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Emiko
9 months ago
The diagram seems pretty straightforward to me. I think the answer is B - a guard condition is not allowed on the initial transition.
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Josphine
9 months ago
This looks like a tricky question. I'll need to carefully review the state machine diagram and the answer choices to figure out what's invalid about it.
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Cherrie
9 months ago
Hmm, I'm not entirely sure about this one. I'll have to think it through carefully to make sure I understand the concept of establishing a baseline. Let me re-read the question and options.
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Xochitl
1 year ago
Ah, the joys of state machine diagrams! This one's a real head-scratcher. I'm going to have to go with C on this one - a trigger is not allowed on the transition to the final state. After all, who needs triggers when you can just teleport straight to the end?
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Zena
1 year ago
Well, well, well, looks like we've got a difference of opinion here. I'm sticking with C on this one. Let's agree to disagree!
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Precious
1 year ago
Hmm, interesting point. I see where you're coming from. But I still think C is the right answer - a trigger is not allowed on the transition to the final state.
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Glen
1 year ago
I think you're onto something there. But I believe the correct answer is actually D - a transition is not allowed to leave and enter the same state.
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Page
1 year ago
This question is a real state machine brain-teaser! I'm going to have to say that the answer is A. A transition requires a trigger or guard, and this one has neither. Time to brush up on my UML knowledge!
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Elroy
1 year ago
I'm going to have to go with D on this one. A transition is not allowed to leave and enter the same state. Looks like the state machine architect had a case of the Monday's when they drew this up.
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Rosio
1 year ago
Hmm, I'm pretty sure the correct answer is B. A guard condition is not allowed on the initial transition. That's a classic state machine no-no.
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Clemencia
1 year ago
User1: Definitely, it can cause confusion in the system.
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Boris
1 year ago
User3: That makes sense, it's a common mistake in state machines.
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Cecil
1 year ago
User2: Yeah, a guard condition is not allowed on the initial transition.
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Malcom
1 year ago
User1: I think the correct answer is B.
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Carlene
1 year ago
This is a tricky one! The diagram is invalid because a transition requires a trigger or guard, and the initial transition has neither. Gotta watch out for those pesky state machine rules.
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Cherri
1 year ago
B) A guard condition is not allowed on the initial transition.
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Isadora
1 year ago
A) A transition requires a trigger or guard.
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Rosalind
1 year ago
I believe option A) is the correct answer, as it provides a valid rationale for why the diagram is invalid.
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Anna
1 year ago
I agree with you, Ardella. Without a trigger or guard, the transition wouldn't have any conditions to be activated.
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Ardella
1 year ago
I think the diagram is invalid because a transition requires a trigger or guard.
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