network layer造句 31. The security problems of Internet at network layer are analyzed. 32. Side note: UDP port 2873 uses the Datagram Protocol, a communications protocol for the Internet network layer, transport layer, and session layer.英文造句chief josepharbitrageurmonthly statementassumed namecheshire catforce diagramrepublic of chinae"enmultisystemself-regulationunsharedlbsredbreastgreen paperfire outrecord numberred-brickself-educationsemidesertdomestic debtold fogybioticsbe done fornosinessprofoundly deafunspectacularpeibottomingdouble-entry bookkeeping