Question: Identify two validation techniques applicable to a DFD and two for an ERD Include a brief description of each. Be sure to clearly identify if

Identify two validation techniques applicable to a DFD and two for an ERD Include a brief description of each.

Be sure to clearly identify if any technique is specific to a single model or can be used for either model.

DFD - Data Flow Diagram

Validation technique 1:

Validation technique 2:

ERD - Entity Relationship Diagram

Validation technique 1:

Validation technique 2:

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