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MB-310 Implement Financial Management Practice Question

A company uses Dynamics 365 Finance with a single legal entity. The controller wants to ensure that all expense accounts require a financial dimension value for 'Department' and 'CostCenter' when posting. The dimensions are already created and linked to the chart of accounts. Which configuration should be applied to enforce this requirement?

⚠ Common exam trap

The trap here is assuming that setting dimensions as mandatory on the main account or using dimension hierarchies will enforce the requirement globally, when the account structure is the proper configuration point.

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 account structure that includes the main account and the Department and CostCenter dimensions, and set the dimensions as mandatory in the account structure.

To enforce that all expense accounts require Department and CostCenter dimensions, you should create an account structure that includes the main account and these dimensions, and mark the dimensions as mandatory. This ensures that any posting to an expense account in the structure must include values for these dimensions. Advanced rules can be used for conditional requirements, but for a blanket requirement, mandatory dimensions in the account structure are the correct approach.

Answer analysis

Option-by-option breakdown

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

  • ✗

    Set up a dimension hierarchy and assign it to the expense accounts, then mark the dimensions as mandatory in the hierarchy.

    Why it's wrong here

    Dimension hierarchies are used for reporting and aggregation, not for enforcing mandatory dimension entry during posting. They do not control whether a dimension value is required. The correct place to enforce mandatory dimensions is in the account structure. Dimension hierarchies help organize dimensions for analysis but do not affect data entry validation.

  • ✗

    Configure advanced rules on the account structure to require Department and CostCenter for expense accounts.

    Why it's wrong here

    Advanced rules allow you to define criteria for when certain dimensions are required or allowed, but they are more complex and typically used for conditional requirements. For a straightforward requirement that all expense accounts must have Department and CostCenter, setting the dimensions as mandatory in the account structure is simpler and more direct. Advanced rules are better for scenarios like 'only require Department for accounts starting with 6'.

  • ✗

    On the main account, set the 'Financial dimension' FastTab to require input for Department and CostCenter.

    Why it's wrong here

    The 'Financial dimension' FastTab on the main account allows you to specify default dimensions and whether they are mandatory for that account. However, this setting is only enforced when the account is used as a main account in a posting, but it does not globally enforce mandatory dimensions across all accounts. The requirement is for all expense accounts, so a more comprehensive approach is needed. Also, this setting may not apply to all transaction types.

  • ✓

    Create an account structure that includes the main account and the Department and CostCenter dimensions, and set the dimensions as mandatory in the account structure.

    Why this is correct

    An account structure defines the valid combinations of main account and financial dimensions. In the account structure, you can mark dimensions as mandatory, which forces users to enter a value for those dimensions when posting to any main account included in the structure. This enforces the requirement globally for all expense accounts if they are included in the structure. This is the recommended way to enforce mandatory dimensions.

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Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed September 2026 · checked against the official Microsoft exam blueprint

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