Multiple choice technology architecture

This Layer manages reading, writing, updating and deleting stored data?

  1. Value Objects Layer.

  2. Presentation Layer.

  3. Data access object layer.

  4. Deployment Layer.
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C Correct answer
Explanation

The Data Access Object (DAO) layer is responsible for managing all CRUD operations - Create, Read, Update, and Delete - on persistent data storage. It abstracts the underlying data access implementation from the rest of the application. Value Objects transfer data between layers, Presentation Layer handles user interface, and Deployment Layer manages application deployment.

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