This MB-920 practice question tests your understanding of describe dynamics 365 commerce. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company uses Dynamics 365 Commerce and wants to track inventory across multiple warehouses. They need to ensure that inventory levels are updated in real-time when a sale is made at the store. Which feature should they use?
Configure the channel database to update inventory directly.
Why wrong: Channel database is a local store.
Enable Real-time Service in the POS.
Real-time Service provides instant updates.
Use Commerce Data Exchange to sync inventory.
Why wrong: CDE is for periodic sync, not real-time.
Schedule a batch job to update inventory every hour.
Why wrong: Batch jobs are not real-time.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable Real-time Service in the POS.
Option B is correct because Real-time Service in the POS enables immediate inventory updates by sending transactions directly to the Dynamics 365 Commerce headquarters as they occur. This ensures that inventory levels across multiple warehouses are synchronized in real-time when a sale is made at the store, meeting the requirement for up-to-the-minute accuracy.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Configure the channel database to update inventory directly.
Why it's wrong here
Channel database is a local store.
Enable Real-time Service in the POS.
Why this is correct
Real-time Service provides instant updates.
Related concept
Read the scenario before looking for a memorised answer.
Use Commerce Data Exchange to sync inventory.
Why it's wrong here
CDE is for periodic sync, not real-time.
Schedule a batch job to update inventory every hour.
Why it's wrong here
Batch jobs are not real-time.
Common exam traps
The trap here is that candidates often confuse Commerce Data Exchange (an asynchronous sync tool) with Real-time Service, assuming any data exchange provides real-time updates, but only Real-time Service offers synchronous, immediate inventory adjustments from the POS.
Detailed technical explanation
Real-time Service in Dynamics 365 Commerce uses the Retail Server to execute synchronous calls from the POS to the headquarters, processing transactions like sales, inventory adjustments, and customer lookups instantly. This is critical in omnichannel scenarios where inventory must be accurate across warehouses to prevent overselling, such as when a store sells the last unit of a product that is also available for online order fulfillment.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Describe Dynamics 365 Commerce — This question tests Describe Dynamics 365 Commerce — Read the scenario before looking for a memorised answer..
The correct answer is: Enable Real-time Service in the POS. — Option B is correct because Real-time Service in the POS enables immediate inventory updates by sending transactions directly to the Dynamics 365 Commerce headquarters as they occur. This ensures that inventory levels across multiple warehouses are synchronized in real-time when a sale is made at the store, meeting the requirement for up-to-the-minute accuracy.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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