通信网络基础1-1

1、2 23 34 45 56 67 78 89 9101011111212131314141515161617171818191920202121222223232424重装重装2525262627272828292930303131323233333434353536363737383839394040414142424343444445454646同意收到：收到“同意”474748484949505051515252535354545555565657575858595960606161626263636464656566666767nUDP为应用层提供无连接的服务，它并不保证一定传到，也不

2、保证按顺序传输以及不重复传送。68686969707071717272737374747575xxFxftt)()(7676 ,)(,.,)(,)(),.,(221121,.,21nnntttxtXxtXxtXPxxxFn)()()(xxdFtXEtmtX7777)()()()()(),(cov),(22112121tmtXtmtXEtXtXttCXXX)()(2)()(tmtXEtXDtDXX787879798080niitntttxFxxxFin121)(),.,(,.,218181)|(,),.,|(1121,.,1121nnttnnttttxxFxxxxFnnnn8282ttxtXxt

3、XPxxFtt,)(|)()|(,83838484),.,(),.,(21,.,21,.,2121ntttntttxxxFxxxFnn85858686TTTTTTdttXtXTtXtXdttXTtX)()(21lim)()()(21lim)(8787)()()()()(XRtXtXEtXtX888889899090enntAtAPn!)()()(9191nessnnPep1)()(9292)(2)()()(1)()()(10)()(.21)(2otAtAPotAtAPotAtAPe0)(lim0o9393949495959696合成的过程的特性？0, 00,)(zzczepzzcc979798

4、980, 00,)()()(zzzepzGBzGBxBGRRXRRXRdZdZPRRRZxZx-X0Z-RXReeZPZ下一辆是红色汽车99991001000, 00,)()()(zzzepzGRZGRYBGRBGBGRBGRBYBPZZPPR1下一辆是非红色汽车下一辆是蓝色汽车101101BGRBGBGRRP)(3102102103103104104, 1 , 0, 1,00iPPjijij1051051061061071070100021021000210210002102100010P1081081091091101100,; 0,21210jimnPPPmkjkmikmmij11111

5、100PPnjinij1121120Pmii0Pnii113113, 1 , 00jPppiijij114114, 1 , 0|lim0iiXjXPnnjp11511510ijiP0iijijPpp1161160100021021000210210002102100010P117117) 1, 2, 3, 4, 5(0100021021000210210002102100010) 1, 2, 3, 4, 5(pppppppppp0iijijPpp1181181191191201201211211221221231231241241251251261261271271281281291291301301311311321321331331341341351351361361371371381381391391401401411411421421431431441441