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Arcitura Education Exam S90.02 Topic 3 Question 83 Discussion

Actual exam question for Arcitura Education's S90.02 exam
Question #: 83
Topic #: 3
[All S90.02 Questions]

Using WS-AtomicTransaction you wrap 3 SOAP-based Web services in a single transaction. When it is time to vote on the outcome of the transaction, 2 of the services vote to commit the changes made during the transaction, but a vote from the third service is not received. What will happen? Select the correct answer.

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Suggested Answer: B

by Henriette at Oct 21, 2024, 05:12 AM

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Sanda
2 months ago
Ah, the joys of distributed transactions. I bet the developer who wrote this code is having a headache right about now!
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Tashia
23 days ago
C) The changes are committed because the transaction is considered successful as long as one Commit vote is received.
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Kenneth
1 months ago
B) The changes are rolled back because the transaction is considered unsuccessful when there is a missing vote.
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Gail
1 months ago
A) The changes are committed because the transaction is considered successful as long as no Abort votes are received.
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Kandis
2 months ago
D sounds like the right answer to me. A transaction needs a majority of Commit votes to be successful, and that's not the case here.
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Gerald
1 months ago
So even if the third service eventually votes to commit, it would be too late to change the outcome of the transaction.
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Mendy
1 months ago
If the third service is delayed, the changes would still be aborted because we need a majority of Commit votes.
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Nada
1 months ago
But what if the third service is just delayed in sending its vote? Would the changes still be aborted?
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Dante
2 months ago
I think D is the correct answer too. We need more than 2 Commit votes for the transaction to be successful.
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Dottie
2 months ago
I believe the changes will be committed because as long as no Abort votes are received, the transaction is successful.
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Tricia
2 months ago
Hmm, I'm not so sure about that. Doesn't the transaction succeed as long as there are more Commit votes than Abort votes? I'll go with C.
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Micah
2 months ago
I think the answer is B. The transaction is considered unsuccessful without a vote from all three services, so the changes should be rolled back.
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Ellen
26 days ago
User4: I'm not sure, but I think the changes are aborted if more than 2 Commit votes are not received.
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Eleonore
1 months ago
User3: I think the answer is C. The transaction is successful as long as one Commit vote is received.
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Colette
2 months ago
User2: I disagree, I believe the changes are committed as long as no Abort votes are received.
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Markus
2 months ago
I think the answer is B. The transaction is considered unsuccessful without a vote from all three services, so the changes should be rolled back.
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Arlene
2 months ago
I think the changes will be rolled back because one vote is missing.
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