HTTP methods, status code classes, common request and response headers, caching, cookies, CORS, HTTP/2 and HTTP/3.
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- What does the GET HTTP method do?
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Retrieves data from a server without causing side effects- What does the POST HTTP method do?
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Submits data to the server, typically to create a new resource- What does the PUT HTTP method do?
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Replaces an entire resource on the server with the request payload- What does the DELETE HTTP method do?
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Removes a resource from the server- What does the PATCH HTTP method do?
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Applies a partial modification to a resource- What does the HEAD HTTP method do?
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Requests the same response as GET but without the response body- What does the OPTIONS HTTP method do?
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Describes the communication options available for a resource- What does the CONNECT HTTP method do?
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Establishes a tunnel to a proxy server, often used for HTTPS- What does the TRACE HTTP method do?
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Echoes the received request back to the client- What do 1xx HTTP status codes indicate?
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Informational responses, the request is continuing- What do 2xx HTTP status codes indicate?
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Successful responses, the request was successful- What do 3xx HTTP status codes indicate?
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Redirection, further action is needed to complete the request- What do 4xx HTTP status codes indicate?
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Client error, the client made a bad request- What do 5xx HTTP status codes indicate?
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Server error, the server failed to fulfill a valid request- What status code indicates the request succeeded?
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200 OK
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