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What two models does a model based reflex agent require?

  • A.A model of its goals and a model of its utility function
  • B.A model of the environment and a model of all the other agents
  • C.How the world evolves and how the agent's actions affect it
  • D.A model of its sensors and a model of its actuators

Answer: C

Updating internal state needs a transition model saying how the world changes on its own and how it changes in response to the agent's actions. Together they let the agent maintain a picture of what it cannot currently see. Sensor and actuator models refine the same idea, goals and utilities belong to higher architectures, and other agents are a special case of world evolution. Naming exactly what knowledge an architecture requires shows immediately how much work building one will be.

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