Cisco 350-901 Exam Questions
Developing Applications using Cisco Core Platforms and APIs (DEVCOR) (Page 12 )

Updated On: 14-Mar-2026

Which RFC5988 (Web Linking) relation type is used in the Link header to control pagination in APIs?

  1. rel=“index”
  2. rel=“page”
  3. rel=“next”
  4. rel=“section”

Answer(s): C



A client is written that uses a REST API to interact with a server. Using HTTPS as the transport, an HTTP request is sent and received an HTTP response. The response contains the HTTP response status code: 503 Service Unavailable.

Which action is the appropriate response?

  1. Add an Authorization header that supplies appropriate credentials and sends the updated request.
  2. Resend the request using HTTP as the transport instead of HTTPS.
  3. Add an Accept header that indicates the content types that the client understands and send the updated request.
  4. Look for a Retry-After header in the response and resend the request after the amount of time indicated.

Answer(s): D



Refer to the exhibit. Two editors are concurrently updating an article’s headline from their mobile devices. What results from this scenario based on this REST API sequence?

  1. The article is marked as “Conflicted”
  2. The article headline is “Monday Headlines”
  3. The article headline is “Today Headlines”
  4. The article headline is “Top Headlines”

Answer(s): D



Refer to the exhibit. This snippet of a script has recently started exiting abnormally with an exception stating “Unexpected HTTP Response code: 429”.


Which solution handles rate limiting by the remote API?







Answer(s): D



An application uses OAuth to get access to several API resources on behalf of an end user.
What are two valid parameters to send to the authorization server as part of the first step of an authorization code grant flow? (Choose two.)

  1. URI to which the authorization server will send the user-agent back when access is granted or denied
  2. list of the API resources that the application is requesting to access
  3. secret that was generated by the authorization server when the application registered as an OAuth integration
  4. list of scopes that correspond to the API resources to which the application is requesting to access
  5. name of the application under which the application registered as an OAuth integration

Answer(s): A,D



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