【单选题】Most IP layer-based proxy mechanisms, such as network address translation(NAT), only support uni-directional proxy, from the internal network to external network(the Internet). The proxy establishes t...
【单选题】Most IP layer-based proxy mechanisms, such as network address translation(NAT), only support uni-directional proxy, from the internal network to external network(the Internet). The proxy establishes t...
【单选题】Most IP layer-based proxy mechanisms,such as network address translation (NAT),only supportuni-directional proxy,from the internal network to external network(the Interned.The proxvestablishes the com...