OMG-OCUP2-FOUND100 Exam - Topic 3 Question 4 Discussion

Actual exam question for OMG's OMG-OCUP2-FOUND100 exam

Question #: 4
Topic #: 3

Choose the correct answer:

The state machine in the diagram below is in the Start state when an event of type Ev occurs. At that time, the value of local variable VAR is equal to zero.

Which stale will the state machine be in after the run-to-completion step triggered by this event completes?

AEnd1

BEnd2

CEnd3

DStart

Show Suggested Answer

Suggested Answer: C

UML 2 state machine concepts, here's the analysis of the state machine's behavior after the event and the most likely answer:

State Transition Triggered by Event Ev:

The state machine starts in the 'Start' state. When the event 'Ev' occurs, there's a transition leaving 'Start' with a condition '[VAR is equal to 0]'.

Value of Local Variable VAR:

The prompt specifies that the value of local variable VAR is equal to zero at the time of the event.

State Transition Evaluation:

Since the condition '[VAR is equal to 0]' is true (given VAR's value is zero), the transition from 'Start' to state 'State1' is triggered.

Completion of Run-to-Completion Step:

Upon reaching 'State1', there are no further outgoing transitions or events to consider. 'State1' itself has no exit actions specified. Therefore, the run-to-completion step reaches its end at 'State1'.

Most Likely Answer:

Based on the analysis above, the most likely answer is:

C . End3

Explanation for Other Options:

A . End1:There's no direct path from 'Start' to 'End1'.

B . End2:Similar to option A, there's no transition leading to 'End2' when the event occurs and VAR is zero.

D . Start:The state machine transitions out of 'Start' upon the event 'Ev'. It won't return to 'Start' without another transition.

Possible Ambiguity:

It's important to note that state machines can involve complex logic and actions within states. While 'State1' appears to be a terminal state in this case, it's conceivable that there could be hidden actions within 'State1' that modify VAR or trigger further transitions. The prompt and the provided image don't provide enough information to definitively rule out such possibilities.

Considering the Absence of Mentioned Ambiguity:

Assuming there are no such hidden actions or unspecified behaviors within 'State1', then answer C (End3) is the most reasonable conclusion based on the information available in the prompt and image.

by Makeda at Apr 23, 2024, 02:48 PM

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Paris

3 months ago

Definitely End3 if the conditions are right!

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Larue

3 months ago

Wait, how can it go back to Start? That seems off.

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Rene

3 months ago

Nah, I think it's End2.

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Lina

4 months ago

I'm pretty sure it goes to End1.

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Jordan

4 months ago

The state starts at Start with VAR = 0.

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Ling

4 months ago

I’m torn between End2 and End3. I think I need to recall how the local variable VAR influences the state transitions.

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Malcom

4 months ago

I feel like the answer could be Start again, but that seems too simple. I wish I had reviewed more examples like this.

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Moon

4 months ago

I remember a similar question where the local variable affected the transition. I might lean towards End1, but I need to double-check the diagram.

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Kiley

5 months ago

I think the state machine transitions based on the event, but I'm not sure which state it goes to after Ev.

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Josefa

5 months ago

Hmm, this is a tricky one. I'm not entirely sure which state the state machine will end up in. I'll need to carefully walk through the transitions and conditions to determine the correct answer.

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Deeann

5 months ago

I think I've got it! Based on the information provided, the state machine will end up in the End2 state after the run-to-completion step. I'll double-check my work, but I'm feeling confident about this one.

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Stefanie

5 months ago

I'm a bit confused by the state machine diagram. I'll need to review the transition conditions and actions more closely to understand how the state machine behaves in this scenario.

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Marlon

5 months ago

Okay, let me think this through step-by-step. The state machine starts in the Start state, and an event of type Ev occurs when the local variable VAR is 0. I'll need to analyze the transitions to figure out which end state it ends up in.

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Cathrine

5 months ago

Hmm, this looks like a tricky state machine question. I'll need to carefully trace the transitions and conditions to determine the final state.

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Lina

5 months ago

I'm a little confused on this one. I know synergy is when things work together to create more value, but I'm not sure how that applies to these examples. I'm leaning towards D, but I'm not totally confident in that answer.

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