4.7 Explain the Common HTTP Response Codes Associated with REST APIs 350-201 Practice Questions (Page 4)

Questions 16–20

1. 16application · easy

   A security analyst is writing a script that handles responses from a REST API. The script receives a response with a status code in the 3xx range. What should the script do first?

   • ATreat the response as a client error and fix the request.
   • BTreat the response as a server error and log it.
   • CFollow the redirection indicated by the Location header.
   • DRetry the same request with the same parameters.
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   A REST API client receives a response with a status code in the 5xx range. What does this indicate about the request?

   • AThe server encountered an error while processing the request.
   • BThe request was malformed and rejected by the server.
   • CThe request was successful and the server is sending the response body.
   • DThe client must follow a redirect to a different URL.
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A security engineer is building a REST API that allows clients to update threat intelligence indicators. The API uses optimistic concurrency control. A client sends a PUT request to /api/indicators/123 with an If-Match header containing the ETag of the indicator. The API responds with 412 Precondition Failed. What should the client do?

   • ARe-send the same PUT request without the If-Match header to force the update.
   • BRetrieve the current version of the indicator, review the changes, and re-submit the update with the new ETag.
   • CTreat the response as a server error and retry the same request after a delay.
   • DSend a DELETE request to /api/indicators/123 and then re-create the indicator.
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A DevOps engineer is migrating a REST API client from an old base URL to a new one. The client currently uses hardcoded URLs. The engineer wants the client to automatically update its stored URL after the first request to the old endpoint. Which HTTP status code should the API return to trigger this behavior?

   • A302 Found
   • B304 Not Modified
   • C307 Temporary Redirect
   • D301 Moved Permanently
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   Which 2xx HTTP status code indicates that the request was accepted for processing, but the processing has not been completed yet?

   • A201 Created
   • B202 Accepted
   • C204 No Content
   • D200 OK
   Reveal Solution Discussion Select an answer first