Anadministratorreceivesacallfromanenduserreportingthattheapplicationtheyareusing keepsgivingthemanerroronport23.Whichofthefollowingisbeingused？（）
A、SSH
B、RemoteDesktopConnection
C、Telnet
D、VPN
阅读以下FORTRAN程序 READ（*,*)M,NK=MOD（M,N)M=NN=KK=MOD（M,N)GOTO 10END IFWRITE（*,*)NEND若运
设有FORTRAN77函数子程序如下：FUNCTIONIP（N，A)IP＝01F（A.I.T.1.0)IP＝NEND下列函数调用中正确的是（
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