Question 751 of 941
Why Work Orders Remain Unscheduled in Resource Scheduling Optimization
Exhibit
Refer to the exhibit.
{
"ResourceSchedulingOptimization": {
"Goal": "MinimizeTravelTime",
"Constraints": {
"RequiredSkills": ["Electrical", "HVAC"],
"MaxTravelDistance": 50
},
"ScheduleWindow": {
"Start": "08:00",
"End": "17:00"
}
}
}Refer to the exhibit. A dispatcher notices that some work orders requiring both Electrical and HVAC skills are not being scheduled. What is the most likely reason?
Quick Answer
The correct answer is that no technician possesses both Electrical and HVAC skills within the schedule window. Resource Scheduling Optimization (RSO) will leave work orders unscheduled when skill constraints cannot be satisfied simultaneously, meaning a single resource must hold all required skills within the defined availability period. In this scenario, the 8 AM to 5 PM schedule window combined with the requirement for dual skills creates a gap if no technician is proficient in both trades during those hours. On the MB-910 exam, this tests your understanding of how RSO evaluates skill requirements as a hard constraint rather than a preference, often appearing in scenario-based questions where a dispatcher sees unscheduled orders. A common trap is confusing “either/or” skill requirements with “and” requirements, or assuming travel distance is the primary blocker. Memory tip: think “AND locks the schedule” — when RSO requires multiple skills, all must be held by one person within the window, or the work order stays unscheduled.
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
✓
No technician has both Electrical and HVAC skills within the schedule window
The exhibit shows that the Resource Scheduling Optimization (RSO) is configured to minimize travel time with a maximum travel distance of 50 miles, but the schedule window is only 8 AM to 5 PM. If no technician possesses both Electrical and HVAC skills and is available within that window, the work order cannot be scheduled. Option D is correct because the combination of required skills and schedule window constraints may leave no qualified technician available. Option A is incorrect because the goal is to minimize travel time, not maximize. Option B is incorrect because the requirement is for both skills (and condition), not either (or condition). Option C is incorrect because a high maximum travel distance would make scheduling easier, not harder.
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 goal is set to maximize travel time
Why it's wrong here
Goal is to minimize travel time.
- ✗
The required skills are set as 'or' instead of 'and'
Why it's wrong here
Skills are required together (both).
- ✗
The maximum travel distance is set too high
Why it's wrong here
Distance is 50 miles, not too high.
- ✓
No technician has both Electrical and HVAC skills within the schedule window
Why this is correct
Lack of multi-skilled technicians within window.
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Same concept, more angles
2 more ways this is tested on MB-910
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Refer to the exhibit. A dispatcher sees that two work orders remain unscheduled after optimization. What should the dispatcher do to resolve the issue for WO-00346?
hard- A.Change the service territory to a nearby area.
- B.Change the work order type to a different category.
- C.Create a new resource record with the required skill.
- ✓ D.Add the 'Electrical Certification' skill to an existing resource.
Why D: The optimization engine could not schedule WO-00346 due to a missing required skill on available resources. Adding the 'Electrical Certification' skill to an existing resource fills the gap, enabling the engine to assign the work order. This directly addresses the root cause of the scheduling failure.
Variation 2. Refer to the exhibit. A work order is scheduled with a duration of 120 minutes. The technician John Doe has only the HVAC skill but not Electrical. What will happen when Resource Scheduling Optimization attempts to schedule this work order?
easy- A.The work order will be scheduled but with a warning.
- B.John Doe will be assigned regardless of the missing skill.
- C.The system will automatically add the Electrical skill to John Doe's profile.
- ✓ D.The work order will not be assigned to John Doe due to the missing Electrical skill.
Why D: Resource Scheduling Optimization respects skill requirements; if the required skill is missing, the technician will not be assigned. Option A is incorrect because the system does not schedule with warnings when skills are missing. Option B is incorrect because missing a required skill prevents assignment. Option C is incorrect because the system does not automatically add skills to a technician's profile.
Last reviewed: Jun 21, 2026
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