Answer: All of the above
Explanation:
200 OK, 301 permanently moved and 400 bad request all are the Hyper text transfer protocol (HTTP) response status type. The HTTP response status types basically indicated the complete request in the HTTP.
All these given types are the responses and request that are involved in the HTTP status type.
200 OK is one of the request which basically depends upon the HTTP status type success.
301 permanently moved is the response in the URL which are used for permanently change the resources of request.
And 400 bad request is not properly understand by server due to the invalid syntax in the HTTP.
