Describe Dynamics 365 Field Service →easyMultiple ChoiceObjective-mapped

MB-910 Time Window Practice Question

Exhibit

Refer to the exhibit. {
  "WorkOrderId": "WO-00345",
  "ServiceAccount": "Adventure Works",
  "WorkOrderType": "Repair",
  "Priority": "Low",
  "ScheduledDate": "2026-03-20T14:00:00Z",
  "AssignedResource": {
    "ResourceId": "RES-101",
    "Name": "Bob Johnson",
    "Skills": ["Electrical"],
    "WorkHours": {
      "Monday": {"Start": "08:00", "End": "17:00"},
      "Tuesday": {"Start": "08:00", "End": "17:00"},
      "Wednesday": {"Start": "08:00", "End": "17:00"},
      "Thursday": {"Start": "08:00", "End": "17:00"},
      "Friday": {"Start": "08:00", "End": "17:00"}
    }
  },
  "ServiceTerritory": "East Region",
  "BookingStatus": "Scheduled",
  "TimeWindowStart": "2026-03-20T14:00:00",
  "TimeWindowEnd": "2026-03-20T16:00:00"
}

Refer to the exhibit. Bob Johnson is scheduled for a repair on March 20, 2026 (Friday) at 14:00 with a 2-hour time window. Bob's work hours end at 17:00. What is the main advantage of this time window?

⚠ Common exam trap

Trap: Candidates may think the time window ensures the job is done before the technician's end of day (17:00), but the main advantage is for the customer's convenience.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

It provides a specific arrival time range for the customer.

The time window (14:00-16:00) provides the customer with a specific arrival time range, improving their ability to plan and reducing uncertainty. Options A, C, and D are incorrect: the time window does not directly reduce cost, does not guarantee single-visit completion, and does not address technician skills.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
It reduces the cost of the work order.
Why it's wrong here
Incorrect. While efficient scheduling may indirectly affect costs, the direct advantage of a time window is not cost reduction.
✓
It provides a specific arrival time range for the customer.
Why this is correct
Correct. The time window gives the customer a clear arrival window (e.g., 14:00-16:00), so they know when to expect the technician.
✗
It ensures the technician will complete the work within one visit.
Why it's wrong here
Incorrect. The time window does not ensure the work is completed in one visit; that depends on scope and parts availability.
✗
It guarantees the technician has the correct skills.
Why it's wrong here
Incorrect. Technician skills are assigned separately; the time window does not guarantee correct skills.

Go deeper

MB-910 Time Window Practice Question

Exhibit

Why each option matters

Option-by-option breakdown

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