A web browser need NOT always perform a complete request for a particular page that it suspects mightNOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partialresponse from the web server; this response includes information, such as the Last-Modified date but NOTthe body of the page. Which HTTP method will the browser use to retrieve such a partial response?()
- A、GET
- B、ASK
- C、SEND
- D、HEAD
- E、TRACE
正确答案:D
答案解析:有

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