This MB-910 practice question tests your understanding of describe dynamics 365 field service. 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 technician completes a work order and replaces a part. Which entity must be updated to reflect that the part was used from inventory?
Work Order Services
Why wrong: Services track labor, not parts.
Work Order Products
Work Order Products record parts used from inventory.
Inventory Journals
Why wrong: Inventory Journals are for manual adjustments, not work order consumption.
Work Order Incidents
Why wrong: Incidents describe the problem, not parts.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Work Order Products
In Dynamics 365 Field Service, the Work Order Products entity is specifically designed to track parts and materials used from inventory during a work order. When a technician replaces a part, they must add a product record to the work order with the 'Line Status' set to 'Used' to decrement inventory and record the consumption. This ensures accurate inventory levels and billing.
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.
Work Order Services
Why it's wrong here
Services track labor, not parts.
Work Order Products
Why this is correct
Work Order Products record parts used from inventory.
Related concept
Read the scenario before looking for a memorised answer.
Inventory Journals
Why it's wrong here
Inventory Journals are for manual adjustments, not work order consumption.
Work Order Incidents
Why it's wrong here
Incidents describe the problem, not parts.
Common exam traps
The trap here is that candidates confuse 'Work Order Products' with 'Inventory Journals', thinking inventory consumption requires a separate manual journal entry, when in fact the Work Order Products entity automatically handles the inventory update when the line status is set to 'Used'.
Detailed technical explanation
Under the hood, when a Work Order Product is marked as 'Used', Dynamics 365 Field Service creates an inventory journal entry (via the 'Inventory Adjustment' or 'Transfer Order' process) that decrements the warehouse quantity. The system also supports 'Return to Vendor' or 'Return to Inventory' line statuses for reverse logistics. In a real-world scenario, if a technician uses a serialized part, the serial number must be recorded on the Work Order Product line to maintain traceability for warranty and compliance.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Describe Dynamics 365 Field Service — This question tests Describe Dynamics 365 Field Service — Read the scenario before looking for a memorised answer..
The correct answer is: Work Order Products — In Dynamics 365 Field Service, the Work Order Products entity is specifically designed to track parts and materials used from inventory during a work order. When a technician replaces a part, they must add a product record to the work order with the 'Line Status' set to 'Used' to decrement inventory and record the consumption. This ensures accurate inventory levels and billing.
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 24, 2026
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