4. Explain Common HTTP Response Codes Associated with REST APIs 200-901 Practice Questions (Page 8)

Questions 36–40

1. 36application · medium

   A network admin is using a REST API to retrieve the configuration of a router. The API returns HTTP 401 Unauthorized. The admin is sure the URL is correct. What is the most likely cause of this response?

   • AThe API endpoint does not support the GET method.
   • BThe API request is missing a valid authentication token or credentials.
   • CThe authenticated user lacks permission to view the configuration.
   • DThe router does not have a configuration.
   Reveal Solution Discussion Select an answer first
2. 37application · medium

   A developer is testing a REST API call to delete a specific VLAN from a switch. The API returns HTTP 403 Forbidden. The developer has already verified that the correct URL and HTTP method are being used. What is the most likely cause of this response?

   • AThe VLAN does not exist on the switch.
   • BThe authenticated user does not have permission to delete VLANs.
   • CThe API endpoint does not support the DELETE method.
   • DThe request body is missing a required field.
   Reveal Solution Discussion Select an answer first
4. 38application · medium

   An automation script attempts to update a network device's hostname using a PUT request to the API endpoint /devices/{id}. The API returns 405 Method Not Allowed. What is the most likely cause?

   • AThe request body is malformed; the client should fix the JSON syntax.
   • BThe API does not support the PUT method on that endpoint; the client should use a supported method like POST or PATCH.
   • CThe client is not authenticated; it needs to provide valid credentials.
   • DThe device ID in the URL does not exist.
   Reveal Solution Discussion Select an answer first
5. 39foundation · easy

   An API client receives a 403 Forbidden response when trying to access a network device configuration. The client has already authenticated successfully. What is the most likely cause of this error?

   • AThe client is authenticated but does not have the necessary permissions to access the resource.
   • BThe client's authentication token has expired.
   • CThe server is temporarily overloaded and cannot process the request.
   • DThe requested resource does not exist on the server.
   Reveal Solution Discussion Select an answer first
6. 40foundation · easy

   Which HTTP response code class indicates that the server received the request but could not find the requested resource?

   • A4xx Client Error
   • B5xx Server Error
   • C2xx Success
   • D3xx Redirection
   Reveal Solution Discussion Select an answer first