MB-920 Describe Dynamics 365 Commerce Practice Question
This MB-920 practice question tests your understanding of describe dynamics 365 commerce. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
Refer to the exhibit.
Job: Process inventory reservation
Status: Ended
Recurrence: Every 5 minutes
Last run time: 11:45 AM
Current time: 12:30 PM
Next scheduled run: 12:50 PM
Exhibit: A Dynamics 365 Commerce batch job status screen.
Refer to the exhibit. A company uses the 'Process inventory reservation' job to manage inventory reservations for online orders. The job is scheduled to run every 5 minutes. At 12:30 PM, a customer places an order but the inventory reservation is not created until 12:50 PM. What is the most likely cause of this delay?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Refer to the exhibit.
Job: Process inventory reservation
Status: Ended
Recurrence: Every 5 minutes
Last run time: 11:45 AM
Current time: 12:30 PM
Next scheduled run: 12:50 PM
Exhibit: A Dynamics 365 Commerce batch job status screen.
A
The job is not configured to process reservations for online orders.
Why wrong: The job is for inventory reservations, which includes online orders.
B
The job failed during the last run.
Why wrong: The job status is 'Ended', not 'Failed'.
C
The job is set to run every 5 minutes but it takes 20 minutes to process.
Why wrong: The delay is due to scheduling, not processing time.
D
The job only processes reservations at its scheduled times, so the order will be processed at 12:50 PM.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The job only processes reservations at its scheduled times, so the order will be processed at 12:50 PM.
The 'Process inventory reservation' job in Dynamics 365 Commerce is a batch job that runs on a scheduled interval. When a customer places an order at 12:30 PM, the reservation is not created until the next scheduled run of the job. Since the job runs every 5 minutes, the next run after 12:30 PM would be at 12:35 PM, but the reservation was not created until 12:50 PM. This indicates that the job is processing reservations only at its scheduled times, and the delay is due to the job's scheduled execution cycle, not a failure or configuration issue.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The job is not configured to process reservations for online orders.
Why it's wrong here
The job is for inventory reservations, which includes online orders.
✗
The job failed during the last run.
Why it's wrong here
The job status is 'Ended', not 'Failed'.
✗
The job is set to run every 5 minutes but it takes 20 minutes to process.
Why it's wrong here
The delay is due to scheduling, not processing time.
✓
The job only processes reservations at its scheduled times, so the order will be processed at 12:50 PM.
Why this is correct
The next scheduled run is at 12:50 PM.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume the job runs continuously or processes orders immediately, but the question tests understanding that batch jobs in Dynamics 365 Commerce operate on a scheduled basis and do not process reservations in real-time.
Detailed technical explanation
How to think about this question
In Dynamics 365 Commerce, the 'Process inventory reservation' job is a batch job that runs asynchronously. The job checks for unprocessed reservation requests and creates inventory reservations based on the available stock. The delay occurs because the job only processes reservations at its scheduled intervals, and the order placed at 12:30 PM is queued until the next job execution. If the job is set to run every 5 minutes but the actual execution time is longer than the interval, the job may be queued or throttled, but the key point is that the reservation is not created in real-time; it depends on the batch job schedule.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Describe Dynamics 365 Commerce — This question tests Describe Dynamics 365 Commerce — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The job only processes reservations at its scheduled times, so the order will be processed at 12:50 PM. — The 'Process inventory reservation' job in Dynamics 365 Commerce is a batch job that runs on a scheduled interval. When a customer places an order at 12:30 PM, the reservation is not created until the next scheduled run of the job. Since the job runs every 5 minutes, the next run after 12:30 PM would be at 12:35 PM, but the reservation was not created until 12:50 PM. This indicates that the job is processing reservations only at its scheduled times, and the delay is due to the job's scheduled execution cycle, not a failure or configuration issue.
What should I do if I get this MB-920 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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