Kedu ihe bụ ngwugwu netwọk netwọk? Onye na-ere ahịa netwọkụ nke akpọrọ "NPB" bụ ngwaọrụ na-eweghara, megharịa ma chịkọta inline ma ọ bụ pụọ na okporo ụzọ netwọkụ data na-enweghị ngwugwu dị ka "Packet Broker", jikwaa ma na-ebuga ngwugwu ziri ezi na Ngwa ziri ezi dị ka IDS, AMP, NPM...
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