What is one advantage of using a data modeling language to develop an API client application?

Question

Options

• Aeasier feature extensibility
• Blower resource requirements
• Cstronger security properties
• Dincrease in compatibility

• A
  90% (28)
• B
  6% (2)
• C
  3% (1)

Explanation

Data Modeling Language & API Client Applications

Using a data modeling language (such as RAML, OpenAPI/Swagger, or GraphQL schemas) to develop an API client application makes feature extensibility easier because the model provides a structured, abstract blueprint of the data. When new features are needed, developers can update the model definition and regenerate or extend the client code systematically, rather than manually refactoring tightly coupled code - this modularity is the core purpose of model-driven development.

Why the distractors are wrong:

• B (lower resource requirements): Data modeling languages add an abstraction layer, which can actually increase processing overhead, not reduce it.
• C (stronger security properties): Security is handled through authentication protocols and encryption, not by the choice of a modeling language itself.
• D (increase in compatibility): While modeling languages can assist with documentation, compatibility depends on protocol standards and versioning strategies, not the modeling language alone.

Memory Tip: Think of a data model like a building blueprint - when you want to add a room (new feature), you simply update the blueprint and rebuild, rather than guessing where walls are. Models = easier extensions.

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