???:????????????112?10?A?

1
???????
?????????????,?????????????,??????????????? ?? 1
????????,????????? 2??????????????????????????????
??? 3???????????????????????????? 4??????????????,
?????????????,???
???? ???????????????112?10?A? ??[phone]
?? 313 ??[phone] ??www.drmaster.com.tw
????school_at_drmaster.com.tw ??????
schoolbook_at_drmaster.com.tw
2
??????
?????????
????????
????????
3
??? ??????

???? ??????(Internet)?????,????????,????????????,?
??????????????????????,????????????????????????,??
????????????????????????
4
????
3-5 ??????
3-1 ??????
3-6 ??????????
3-2 ????????
3-3 ADSL??????
3-7 ??????
3-4 ??????
??????????
5
3-1 ??????

• IP??(1)
• IP???????????????(Internet Protocol AddressIP
  Address)?????????IP????4????,?32??????????????????
  ??0255????
• ?????IP Address

6
IP??(2)

• Class A
• ?????0,?1?????????????(Net ID),3?????????????(Host
  ID),??????0127????A???????22416,777,216????????
  ????????,?????A??????,??12.18.22.11?

7
IP??(3)

• Class B
• ?????10,?2?????????????(Net ID),2?????????????(Hos
  t ID),??????128191????B???????21665,536????????B
  ?????????????ISP??????????,??129.153.22.22?

8
IP??(4)

• Class C
• ?????110,?3?????????????(Net ID),1?????????????(Ho
  st ID),??????192223????C?????????28256?IP???????
  ??????????,??194.233.2.12?

9
IP??(5)

• Class D
• ?????1110,??????224239???IP??????????(Multicast)?
  ?,?????????????????,?????????,??239.22.23.53?
• Class E
• ?????1111,??????240255?????????????????????,??245
  .23.234.13?

10
IPv4?IPv6

• ???IPv4??32?????,???????2324,294,927,696?IP??????
  ??IP???????,?????IPv6???
• IPv6??128???????,????IP????????2128?????????????16
  ??????,??????8?,??????????????IPv6???????????,???
  ???IP??????????(Routing)????????????

11
?????

• ????????????????,????????IP???????????????????IP??
  ???,???????????????????1,??????????0?
• ?????????????,??????????????IP????AND????,????????
  ?,???????IP?????????????

???
12

• ??A???????????IP??????8??,???????255.0.0.0,????,B?
  ??????255.255.0.0,C??255.255.255.0?

13
????
14
3-2 ????????

• ????????
• ?????????,?????????,?????????
• ?????????????,??????????????56Kbps,???????????????
  ?????

15
ADSL???

• ADSL??????????,??Hinet?SeedNet????????????????????
  ??(???)?????,???????????????????????,?????????????
  ?9Mbps,?????????1Mbps?????????????,??????????(Asy
  mmetric)?
• ??????ADSL????,????????????,??????????????

???
16
(No Transcript)
17
?????

• ????????????????????Internet????????
• ?????????????????,???????????,??????????????,?????
  ?????????,??????????????,?????????????,???????????
  ??????????,???????,?????????,????????????

???
18
(No Transcript)
19
????

• ??????????ISP?????????????????,???????,???????????
  ??????????
• ??????64Kbps?512kbps?T1?T2?T3??

20
3-3 ADSL??????

• ADSL????
• ??????ADSL????????????,????ADSL?????,?????????????
  ????????????
• ????ADSL???????,?????ADSL???????(splitter)????????
  ???(??PPPoE????)?????????ADSL????????,????ADSL????
  ??,?????????????????????????

21
ADSL????
22
3-4 ??????

• TCP??
• ????????????????
• ?????????,???????????????????????????!?,?????????
  ????????????,????????,?????????????,TCP???????????
  ???????,?????????????
• ??????,????????????????,????????????,????????????,
  ??????????????

23
IP??

• ?TCP/IP????????,??DoD??????????(network
  layer),???????????,?????????(Connectionless)??,???
  ???????????????,????(packet)??????????
• ?IP??????????????,???IP???????????????????????????
  ?,????????????IP??,??????????

24
UDP??

• ???????????,??TCP????????,?????????????,??????????
  ??,?????TCP??,???????????????????????
• ???????????????,????????????????
• ?UDP?????????????,?????????????????????????,??????
  ?????????
• ????????????,???UDP??????????????,??TCP?????????

25
ARP??

• ??????????(ARP)????????????IP??????,??????????????
  ????(Broadcast)?
• ?????IP????????,??????,??????????
• ????????????????,????IP?????,????????????????????
  ??

26
ICMP??

• ????????????(Internet Control Message
  Protocol,ICMP)????????????,???????????????,?????IP
  ???????,??Ping???????ICMP???????,??????????

27
3-5 ??????

• ????(1)
• ???(Infrared,IR)
• ??????????????(peer to peer)?????,??????9.6KBPS4M
  BPS????
• ?????????1.5????,?????(??)?????????????15???
• ???IrDA????????,????????????????16MBPS,???????????
  ?60????

28
????(2)

• ???(Laser)
• ????????????????????????????,??????????
• ?????????????,???????????????
• ???????????????,???????????,?????????????

29
??????

• ????????????????????????,????????????????,????????
  ?????????????????????????????,????????????????????
  
• ???????????(Band)?????????????????,???????????????
  ???????,????2.42.4835 GHz?????,??????????,??????,
  ??????????????????????

30
3-6 ??????????

• 802.11a
• 802.11a???????????,????????????(Orthotgonal
  Frequency Division Multiplexing,OFDM),???5GHz???,?
  ???????54Mbps,?????50??,?802.11a??????????????,???
  ?????

31
802.11b

• 802.11b???IEEE802.11?????????,????????????????,???
  2.4GHz,????????11Mbps?
• 802.11b?????????,?????(??11Mbps),?????????????????
  ??????,?????????????,??????IEEE
  802.11b????????1Mbps?2Mbps?5.5Mbps?11Mbps??????

32
802.11g

• 802.11g?????????802.11a?802.11b?????,?2.4G????OFDM
  ????,????????????54 Mbps????????????????????????,?
  ?802.11b?WIFI??????,???802.11a???????
• ????????????????????????,?????802.11b??????????,80
  2.11g??????54Mbps?????????????????????,???????????
  ????,?????????????????

33
802.11n

• IEEE 802.11n???????????,??????????,???????????
• ???????????540Mbit/s,??????802.11g??10???,??????80
  2.11n?????????????????,?????????????
• ?????????Intel Next-Gen Wireless-N?802.11n??????,?
  ????????802.11g?????,??????????Centrino????????

34
????

• ??????????????????????????????????????????????????
  ??
• ?????????????(point-to-point)???????(point-to-mult
  i points)?????,???2.4GHz??,?????????10??,????????1
  Mbps,??????12Mbps?

35
3-7 ??????

• AMPS
• ????????????,????????,????????????????????????????
  ?????????????????????????
• ???,?????????????????,?????????????????,??090?????
  ???????0910??????

36
GSM

• GSM??????????,??????????,??????????GSM?????????,??
  GSM???????????-900MHz?1800MHz?1900MHz?
• GSM?????????????????????,???????????(Circuit
  Switch)???????
• ??GSM???????,?????????,???????????,???????????????
  ,??????????????(Packet Switch)?Internet????,??????
  ?GPRS???????,??????????????

37
GPRS

• ?????GSM?????????,??????????????GPRS??????????????
  ?????????????????(Time Division Multiple
  Access,TDMA)??GSM??,??GPRS??????????????????????,?
  ?????????????????
• ??????????,??????????,??????????,?????????????????
  ????,?????,??????,???????????????

38
3G/3.5G/3.75G/4G(1)

• 3G(3rd Generation)???3???????,???2.5G??,??????????
  ?,????2Mbps?
• ???????????????????,???Internet???IP??,???????????
  ????????????????

39
3G/3.5G/3.75G/4G(2)

• 3.5G?????HSDPA(High-Speed Downlink Packet
  Access),?3G???????,???????????(User
  Equipment,UE)???????,????????HSDPA,??3G??????????3
  .5G?HSDPA????????HSDPA?????????????HSDPA??

40
3G/3.5G/3.75G/4G(3)

• WiMAX?LTE(Long Term Evolution)????????????,???4G??
  ,??????1Gb/s?????,???WiMAX?LTE??40Mb/s?100Mb/s
  ,????4G?????LTE?WiMAX??????
• ??,??GSM????????LTE,????????????????????,LTE???4G?
  ????????

41
WAP

• ??????????????????Internet????????????????HTTP??In
  ternet???,?WAP???????????????,???????????????,????
  ????

42
????

• QA????