A.ISP B.ASP C.PHP D.ISDN
A.決策 B.交易 C.授權(quán) D.認(rèn)證
A.對(duì)稱(chēng) B.非對(duì)稱(chēng) C.對(duì)稱(chēng)和非對(duì)稱(chēng) D.完全對(duì)稱(chēng)