OMG Exam OMG-OCUP2-FOUND100 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?

AA transition requires a trigger or guard.

BA guard condition is not allowed on the initial transition.

CA trigger is not allowed on the transition to the final state.

DA transition is not allowed to leave and enter the same state.

Show Suggested Answer

Suggested Answer: D

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

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Xochitl

3 months 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

2 months 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

2 months 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

2 months 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

3 months 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

3 months 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

3 months 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

29 days ago

User1: Definitely, it can cause confusion in the system.

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Boris

1 months ago

User3: That makes sense, it's a common mistake in state machines.

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Cecil

1 months ago

User2: Yeah, a guard condition is not allowed on the initial transition.

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Malcom

2 months ago

User1: I think the correct answer is B.

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Carlene

3 months 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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