問題詳情

47 A web browser need NOT always perform a complete request for a particular page that itsuspects might NOT have changed. The HTTP specification provides a mechanism for the browser toretrieve only a partial response from the web server; this response includes information, such as theLast-Modified date but NOT the body of the page.Which HTTP method will the browser use to retrieve such a partial response?IT Certification Guaranteed, The Easy Way!
(A) GET
(B) ASK
(C) SEND
(D) HEAD
(E) TRACE(F) OPTIONS

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