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You are building an Azure Logic App that must consume messages from an Azure Service Bus queue. The queue messages are JSON payloads containing order information. The Logic App must process each message exactly once and in the order they are received. You need to configure the trigger in the Logic App. Which trigger type and property should you choose?

Question 1mediummultiple choice
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You are building an Azure Logic App that must consume messages from an Azure Service Bus queue. The queue messages are JSON payloads containing order information. The Logic App must process each message exactly once and in the order they are received. You need to configure the trigger in the Logic App. Which trigger type and property should you choose?

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Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

Use a Service Bus trigger with the 'PeekLock' mode and set the 'IsSessionsEnabled' property to false

Without sessions, the queue does not guarantee order; messages may be processed out of sequence.

B

Distractor review

Use a Service Bus trigger with the 'ReceiveAndDelete' mode

ReceiveAndDelete removes the message immediately; if processing fails, the message is lost, violating exactly-once processing.

C

Best answer

Use a Service Bus trigger with the 'PeekLock' mode and set the 'IsSessionsEnabled' property to true

Sessions provide FIFO order within a session, and PeekLock allows the Logic App to complete or abandon the message, ensuring exactly-once processing.

D

Distractor review

Use an Event Grid trigger for Service Bus

Event Grid triggers on events from Service Bus, but does not support ordered message processing or exactly-once guarantees.

Common exam trap

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Technical deep dive

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Related practice questions

Related AZ-204 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

AZ-204 fundamentals practice questions

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AZ-204 scenario practice questions

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Practise AZ-204 questions linked to AZ-204 troubleshooting.

More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

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Question 5

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Question 6

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FAQ

Questions learners often ask

What does this AZ-204 question test?

Read the scenario before looking for a memorised answer.

What is the correct answer to this question?

The correct answer is: Use a Service Bus trigger with the 'PeekLock' mode and set the 'IsSessionsEnabled' property to true — To achieve ordered delivery and exactly-once processing, you need to enable sessions on the Service Bus queue and configure the Logic App trigger to use PeekLock mode. Sessions guarantee first-in-first-out (FIFO) delivery within a session. PeekLock ensures the message is processed before it is removed, supporting retries and preventing loss. ReceiveAndDelete may lose messages. Event Grid does not guarantee order or exactly-once.

What should I do if I get this AZ-204 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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