????109.?????????IP??192.168.10.71????????255.255.255.64??192.168.10.201?????????????
??????????????????
?????????????255.255.255.64??????????
?????????????????????“????????”????????????????????????????
???????????????о?????????????????ЩIP???????????????????????
??????????
……
?????????255.255.128.0?????????????
?????????255.255.255.0?????????????
?????????255.255.255.128???????????????
?????????255.255.255.192???????????????
……
 
????110.internet??e-mailЭ???IE??Э???NAT???????????????????????????DNS????????????ι??????
????NAT???Network Address Translation??????????“?????????”??NAT?????IETF??Internet Engineering Task Force???????????????書?????????????????????????NAT??????????????????????????????NAT????????????·????????????????????NAT?豸?С?
 ????DNS ????? Domain Name System?? ??? DNS ???? ?????????????????? domain name ???? IP?? ???????????? IP ???????? domain name?? ??????? DNS ???? Mail System ???? ?? Mail routing ?????.
 ????DNS???Client??Server??Client?????????????????Server???Domain Name????Server?????????Domain Name??????IP????????????DNS?????????????????????????????У????????DNS????????DNS????????????????????????????????????????
 
????111.PROXY????ι??????
????Proxy???????????????????????????????????????????????????????????ü????????????????????????????????WWW???????????????????????????????Proxy????????????????????????????????Proxy????????Proxy???????????????????????????????Proxy???????????????????????????????????????????????????????????????ú???????????е?????????????Proxy Server??????????????????????
 ????Proxy Server????????????????????????????ú?Proxy Server????????????????????WWW??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????У?????????????????????????????????????
 
????112.win2k????AT??????????????Messenger???????????????????
????AT???????????????????????????????????????????
Messenger????:???????????????????“??????”????????????
 
????113.???????????弰????
??????????????????????????????????????????????????л????????????????????????????????????λ.
 ??????????????????壬??CPU??????????????λ???????????С??????????е??????λ.?????????????????????????????????????б??????????(??????????????????????)??????????????????????????????????????????е???????.
 ?????????????????????????????;?????????е??????????????????

????114.32λ?????????1??????????????????????????????????
 
????115.???繥?????????Σ????????α?????.

????116.????侲?IP????β???????2????????????PING??η???????????

????117.WIN9X??WINNT???????????"????"??????????????????????

????118.AD??WIN2KSERVER???????????????AD?????XP???????"???"??"?л?"??????.

????119.UDP????????η??????

????120.??????????????(win2K????)???????????????????????

????121.??????????壬???????????????????????????????У???У???飬???????????.

????122.winrunner??loadrunner??????????

????123.?????????η?????????????????????????????.
(1С?????)

 
?.     ?????.
????1.     ?????????????????Щ?
??????????????????????
??1?? ????????????????????????????????á?
??2?? ?????????????????????????????????????????????????????????
??3?? ??????????:????????????????????????????????а???
??4?? ??????????:??????????γ?????β??????????????????
?????????????????????????????????????????Щ??????????????????????????
???????????????????

????2.     ??Sybase????????????????????????????????

????3.     ??MS SQL_Server ?????????????????????????????????
???????????????????PRIMARY KEY?????UNIQUE?????IDENTITY?????????????????
 
????4.     ??????????洢?????.??????????

????5.     JAVA?е?Wait() ??notify()????????????Щ???

????6.     ??????????????.???ж??????????????????????????????????.

????7.     ???????е???????????????????

????8.     UNIX ??init