200-901 Question #147: Real Exam Question with Answer & Explanation

The correct answer is D: 400. HTTP status code 400 (Bad Request) signals that the server cannot process the request due to a client-side error such as malformed syntax or invalid request framing. It is the entry point of the 4xx client-error class.

Understanding and Using APIs

Question

Which HTTP status Code means that the server cannot or will not process the request because of perceived client error?

Options

A100
B203
C303
D400

Explanation

HTTP status code 400 (Bad Request) signals that the server cannot process the request due to a client-side error such as malformed syntax or invalid request framing. It is the entry point of the 4xx client-error class.

Common mistakes.

A. The 100 Continue code is an informational (1xx) response indicating the server received the request headers and the client should proceed to send the request body.
B. The 203 Non-Authoritative Information code is a success (2xx) response indicating the returned metadata was retrieved from a third-party copy rather than the origin server.
C. The 303 See Other code is a redirection (3xx) response directing the client to retrieve the resource at a different URI using a GET request.

Concept tested. HTTP 4xx client error status codes

Reference. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/400

Topics

#HTTP Status Codes#API Error Handling#Web Protocols#RESTful API

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