A.經(jīng)過NAPT轉(zhuǎn)換后,對于外網(wǎng)用戶,所有報文都來自于同一個IP地址或某幾個IP地址 B.NAT只支持應(yīng)用層的協(xié)議地址轉(zhuǎn)換 C.NAT支持網(wǎng)絡(luò)層的協(xié)議地址轉(zhuǎn)換 D.NAPT只支持網(wǎng)絡(luò)層的協(xié)議地址轉(zhuǎn)換
A.排序 B.授權(quán) C.刪除 D.插入 E.修改
A.SELECT Sname,Ssex FROM Student WHERE Sdept=(‘湖南’,‘湖北’); B.SELECT Sanme,Ssex FROM Student WHERE Sdept=’湖南’ORSdept=’湖北’; C.SELECT Sname,Ssex FROM Student WHERE Sdep tLIKE‘湖%’ D.SELECT Sname,Ssex FROM Student WHERE Sdept LIKE‘%湖’; E.SELECT Sname,Ssex FROM Student WHERE Sdept IN(‘湖南’,‘湖北’);