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.
A retail company uses Dynamics 365 Commerce for its online and physical stores. Customers are reporting that items added to their online shopping cart are not being reserved in the physical store's inventory. The company uses the 'Reserve inventory' feature. What is the most likely cause of this issue?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The 'Process inventory reservation' batch job is not scheduled or is failing.
The 'Reserve inventory' feature in Dynamics 365 Commerce relies on the 'Process inventory reservation' batch job to synchronize online cart reservations with physical store inventory. If this batch job is not scheduled or is failing, items added to the online shopping cart will not be reserved in the store's inventory, causing the reported issue. This is the most likely cause because the batch job is responsible for processing reservation requests from the online channel.
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 'Process inventory reservation' batch job is not scheduled or is failing.
Why this is correct
This batch job is required to process reservations from online orders.
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.
✗
The 'Pick inventory' job is not configured.
Why it's wrong here
The pick job is for warehouse operations, not reservations.
✗
The 'Reserve inventory' feature is disabled for the online store channel.
Why it's wrong here
The feature is enabled at the system level, not per channel.
✗
Inventory is not set up at the store level.
Why it's wrong here
Inventory is managed at the warehouse level, not store level.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the 'Reserve inventory' feature with the batch job that processes it, assuming the feature itself is disabled or misconfigured, rather than recognizing that the batch job is a separate operational component required for the feature to work.
Detailed technical explanation
How to think about this question
Under the hood, the 'Process inventory reservation' batch job in Dynamics 365 Commerce runs as a recurring background process that reads pending reservation requests from the online channel and applies them against the physical store's inventory. If the batch job fails due to configuration errors, database connectivity issues, or insufficient resources, reservations remain in a pending state and are never committed. In a real-world scenario, a retail company might see this when the batch job is accidentally disabled during a system update or when the job's recurrence interval is set too long, causing delays.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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 'Process inventory reservation' batch job is not scheduled or is failing. — The 'Reserve inventory' feature in Dynamics 365 Commerce relies on the 'Process inventory reservation' batch job to synchronize online cart reservations with physical store inventory. If this batch job is not scheduled or is failing, items added to the online shopping cart will not be reserved in the store's inventory, causing the reported issue. This is the most likely cause because the batch job is responsible for processing reservation requests from the online channel.
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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Question Discussion
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