Which Statement Describes a Model Class That Extends Mage_Core_Model_Abstract

question 73

Multiple Choice

Which statement describes a model class that extends Mage_Core_Model_Abstract?

• A) The model class consists of properties and methods for storing and manipulating data retrieved via separate resource classes responsible for database operations.
• B) The model class is responsible for loading the frontend layout templates and responding to page requests via its Action methods (for example, indexAction).
• C) The model class does not encapsulate any logic except for logic providing access to the data loaded from the database.
• D) The model class is primarily responsible for direct query operations such as retrieving and storing data and then rendering that data to the frontend view.

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Definitions:

No-Name Brand

Products that are sold without a brand name, often at a lower price compared to branded products.

Producer Surplus

The difference between the amount that producers are willing and able to sell a product for and the actual amount they do sell it for.

Consumers Surplus

The gap between the aggregate sum consumers are ready and capable of paying for a good or service versus what they actually shell out.

Elastic Demand

A market condition where the quantity demanded of a good or service significantly changes in response to a change in price.