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HTTP handles CONNECT tunneling as following: ____ ____ ____ tunnels the ____ ____ to the destination. Once the connection has been established by the ____, the ____ ____ continues to ____ the ____ ____ to and from the client.

HTTP Proxy server, TCP connection, server, Proxy server, proxy, TCP stream

Give no/yes/may for the HTTP DELETE method features: Request has body: ____ Successful response has body ____ Safe ____ Idempotent ____ Cacheable ____ Allowed in HTML forms ____

may, may, no, yes, no, no

What is HTTP HEAD method used for?

It requests the headers, that would be returned if the GET method was used for the same parameters.