An API client receives a 502 Bad Gateway response. What does this status code indicate?

The requested resource has been temporarily moved to a different URL.

The server received an invalid response from an upstream server while acting as a gateway or proxy.

The client's request was well-formed but the server refused to process it due to authentication issues.

The server encountered an unexpected condition that prevented it from fulfilling the request.

A network management application periodically polls a REST API endpoint to retrieve the current configuration version of a device. The application receives HTTP 304 Not Modified. What should the application do next?

Treat the response as an error and log a failure.

Retry the request with a different authentication token.

Use the cached configuration version it already has.

Follow the Location header to a new endpoint.

A REST API client receives a 401 Unauthorized response. What is the most likely cause?

The requested resource does not exist on the server.

The request was malformed and could not be processed.

The client is not authenticated or the authentication credentials are invalid.

The client is authenticated but does not have permission to access the resource.

A network management tool receives a 502 Bad Gateway response from a REST API. What does this indicate?

The API server received an invalid response from an upstream server.

The client's request was malformed.

The requested resource does not exist.

The client is not authorized to access the API.

CiscoCertified Network Associate Automation (CCNA Automation)

Domain 2Objective 4

4. Explain Common HTTP Response Codes Associated with REST APIs 200-901 Practice Questions (Page 2)

Part of the 2.0 Understanding and Using APIs domain, which accounts for 20% of the 200-901 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 47 practice questions to prepare you well beyond it. (estimate)

47questions here

10free pages

7concepts

20%of the exam

Questions 6–10

6foundation · easy
An API client receives a 502 Bad Gateway response. What does this status code indicate?
Select an answer first
7application · medium
A network management application periodically polls a REST API endpoint to retrieve the current configuration version of a device. The application receives HTTP 304 Not Modified. What should the application do next?
Select an answer first
8foundation · easy
A REST API client receives a 401 Unauthorized response. What is the most likely cause?
Select an answer first
9application · medium
A network management tool receives a 502 Bad Gateway response from a REST API. What does this indicate?
Select an answer first
10foundation · easy
An API client sends a DELETE request to remove a configuration object. The server successfully deletes the object and has no response body to return. Which HTTP response code is most appropriate?
Select an answer first

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