: A :()tan(x)sec^2(x)-tan(x)-sec^2(x): C :()4*e^4xe^4x1/4*e^4x4e^4x: D :()-22 3-3 -33 2-2 12P(1)=0.2P(2)=0.8P(e) : A :()0.08:-2 P(2)=0.8P(2)=0.80.090.110.1XYEX=2EY=1,DX=3E(X(X+Y-2))=() : D :()-3 3 -5 5 () : B :()/etc/netport/etc/services/etc/server/etc/netconfK(x)Bayes() : A D :()() : A D :()N-Pnowcoder,TCP/IP(): A :()SMTPHTTPTCPIPK(x)K(x)(BayesBayes() )44631025(): D :()4042384429,12,15,6,23,() : D :()22219285188ping nowcoder? : D :()ICMPARPDNSTCP(25,84,21,47,15,27,68,35,20): 1.25,84,21,47,15,27,68,35,202.20,15,21,25,47,27,68,35,843.15,20,21,25,35,27,47,68,844.15,20,21,25,27,35,47,68,84: B :()ping nowcoderping nowcoder(25,84,21,47,15,27,68,35,20)(25,84,21,47,15,27,68,35,20)1.25,84,21,47,15,27,68,35,201.25,84,21,47,15,27,68,35,202.20,15,21,25,47,27,68,35,842.20,15,21,25,47,27,68,35,843.15,20,21,25,35,27,47,68,843.15,20,21,25,35,27,47,68,84(25,84,21,47,15,27,68,35,20)(25,84,21,47,15,27,68,35,20)1.25,84,21,47,15,27,68,35,201.25,84,21,47,15,27,68,35,202.20,15,21,25,47,27,68,35,842.20,15,21,25,47,27,68,35,843.15,20,21,25,35,27,47,68,843.15,20,21,25,35,27,47,68,844.15,20,21,25,27,35,47,68,844.15,20,21,25,27,35,47,68,84? ? )