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Difficulty: EasyCharacteristics of REST-Based APIs (CRUD, HTTP Verbs, Data Formats)

Match each HTTP request method used in REST-based network management APIs to its primary function and corresponding CRUD operation.

  • GETRead: Retrieves configuration or operational data from a resource without modifying it
  • POSTCreate: Submits data to create a new resource at the specified endpoint URI
  • PUTUpdate/Replace: Replaces an entire existing resource configuration with a complete new dataset
  • PATCHUpdate/Modify: Makes partial changes to specific fields of an existing resource

Answer

GET maps to Read (retrieves data), POST maps to Create (creates a new resource), PUT maps to Update/Replace (completely replaces a resource), and PATCH maps to Update/Modify (partially updates specific fields).
In RESTful architecture, standard HTTP request verbs correspond directly to basic CRUD database operations: GET reads resource state, POST creates new resources, PUT completely replaces existing resources, and PATCH performs partial modifications to existing resources.

Step-by-Step Solution

1
Identify the CRUD mapping for retrieving information from a network REST API.
GET corresponds to the Read operation.
GET is a safe and idempotent method used solely to request data from an endpoint.
2
Identify the CRUD mapping for creating new resources.
POST corresponds to the Create operation.
POST submits a payload to an API endpoint to generate a new object or resource.
3
Distinguish between full replacement and partial update HTTP methods.
PUT replaces the resource entirely, while PATCH modifies only specified fields.
PUT requires a full payload representation of the resource, whereas PATCH accepts partial payloads.

Key Concept

HTTP Verbs and CRUD Operations in REST-Based APIs
Estimated Time:45s
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Topics

Characteristics of REST-Based APIs (CRUD, HTTP Verbs, Data Formats)

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