4. Explain Common HTTP Response Codes Associated with REST APIs 200-901 Practice Questions (Page 9)

Questions 41–45

1. 41foundation · easy

   A REST API client sends a POST request to create a new network device. The server successfully processes the request and creates the device. Which HTTP response code should the server return to indicate that the resource was created?

   • A204 No Content
   • B200 OK
   • C201 Created
   • D202 Accepted
   Reveal Solution Discussion Select an answer first
2. 42application · medium

   A network engineer is analyzing API logs and sees a response code in the 4xx range. What does this indicate about the request?

   • AThe client made an error, such as a malformed request or unauthorized access.
   • BThe request was redirected.
   • CThe request was successful.
   • DThe server encountered an internal error.
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4. 43application · medium

   A monitoring system periodically polls a REST API for network statistics. During a network-wide event, the API starts returning 503 Service Unavailable. What is the most likely cause and appropriate action?

   • AThe client's API key is invalid; the monitoring system should regenerate the key.
   • BThe API server is overloaded or under maintenance; the monitoring system should implement retry with exponential backoff.
   • CThe request is malformed; the monitoring system should fix the request parameters.
   • DThe requested resource has been permanently moved; the monitoring system should update the endpoint URL.
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5. 44application · medium

   A network automation script sends a GET request to a REST API endpoint to retrieve the configuration of a specific interface. The API responds with HTTP 404 Not Found. The script was working yesterday, and the API base URL and authentication token are unchanged. What is the most likely cause and corrective action?

   • AThe authentication token has expired; refresh the token and retry the request.
   • BThe HTTP method is not allowed for this endpoint; change the request to POST.
   • CThe API server is temporarily overloaded; wait and retry the request.
   • DThe interface name in the URL path is incorrect or the interface was deleted; verify the exact interface identifier in the device's current configuration.
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6. 45expert · hard

   A developer is designing a REST API for a network device configuration service. The API should allow clients to partially update a device's configuration (e.g., only change the hostname). Which HTTP method and success response code should be used?

   • APOST with 201 Created
   • BPATCH with 200 OK
   • CDELETE with 204 No Content
   • DPUT with 200 OK
   Reveal Solution Discussion Select an answer first