C_THR81 Employee Central Core Practice Question
An administrator is configuring the MDF object 'Job Classification' and needs to ensure that when a new record is created, the 'Job Family' field is automatically populated based on the selected 'Job Function'. The 'Job Function' field is a picklist, and the mapping between Job Function and Job Family is maintained in a separate MDF object called 'Job Function Mapping'. Which configuration should the administrator implement?
⚠ Common exam trap
The trap here is assuming that standard picklist dependencies or default values can span separate MDF objects, when only a business rule with a lookup can resolve cross-object mappings.
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
✓
Create an onSave business rule on Job Classification that reads the selected Job Function and looks up the corresponding Job Family in the Job Function Mapping object, then sets the Job Family field.
Cross-object dependent picklist behavior in MDF requires a business rule that performs a lookup into the mapping object. An onSave rule can read the selected Job Function, query the Job Function Mapping object, and write the corresponding Job Family. Other mechanisms such as picklist dependencies, propagation, or default values lack the ability to query another object, so they cannot resolve the mapping.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a Propagation rule on the Job Function field to copy the value to Job Family.
Why it's wrong here
Propagation rules copy a value from one field to another, but they do not perform lookups into other objects. Since Job Family must be derived from a mapping object, propagation alone cannot retrieve the correct value and thus fails the scenario.
- ✗
Configure a picklist dependency between Job Function and Job Family using the Picklist Center.
Why it's wrong here
Picklist dependencies only work within a single picklist hierarchy, not across separate MDF objects. The mapping here resides in a custom MDF object, so a standard picklist dependency cannot resolve the value, making this approach ineffective for the requirement.
- ✓
Create an onSave business rule on Job Classification that reads the selected Job Function and looks up the corresponding Job Family in the Job Function Mapping object, then sets the Job Family field.
Why this is correct
An onSave rule can access the Job Function value, query the Job Function Mapping object using a lookup, and assign the returned Job Family to the field. This is the standard pattern for cross-object dependent picklist behavior in MDF, and it runs at the right moment to persist the value.
- ✗
Set up a default value on the Job Family field using a 'Rule' as the source, referencing the Job Function field directly.
Why it's wrong here
Default values with a rule source can evaluate simple expressions, but they cannot query another MDF object to resolve a mapping. Without a lookup mechanism, the Job Family cannot be dynamically determined from Job Function, so this does not meet the requirement.
Visual reference
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official SAP exam blueprint
This C_THR81 practice question is part of Courseiva's free SAP certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the C_THR81 exam.