The app builder at Universal Containers has been asked to ensure that the Country field on the Account object is captured as the two-letter abbreviation. How can the app builder satisfy this requirement?

A. Create a validation rule to set values using an external data source.
B. Create a workflow rule that only allows the expected format.
C. Create a validation rule that only allows the expected format.
D. Create a workflow rule to set values using an external data source.

Suggest answer: C

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