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Title:

Overview

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Title: Overview Author: Meera Krishna Last modified by: Created Date: 10/12/1999 3:23:37 PM Document presentation format: – PowerPoint PPT presentation

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Title: Overview


1
???????????
2
??
  • WINDOWS 2000?500?????? 724????,??40???????
  • NT4???,???Netware??
  • Windows 2000??,???UNIX ??????

3
???????????
  • WINDOWS 2000????
  • ????
  • TCP/IP??

4
Operating System Functions
5
  • ???????????????
  • ?????????????
  • ???? ???????????
  • ????????????

6
Windows 2000???
Memory Support
Multitasking
SMP Scalability
Plug and Play
Clustering
Terminal Services
File Systems
QoS
7
  • ????windows 32????
  • ???64GB
  • CPU 32?(2?CPU?98???????)
  • ??????N T?????
  • ????????????,????????????
  • NTFSNT4?NTFS4?0,WIN2K?NTFS5?0,?????????????
  • QOS ????????????????????
  • RIS????PRO
  • ?????????????

8
Versions of Windows 2000
Windows 2000 Server
Windows 2000 Datacenter Server
Servers
Windows 2000 Advanced Server
Windows 2000 Professional
Workstation
9
  • ?????????????10 ???
  • ?????SERVER
  • ADVANCE SERVER
  • DATACENTER SERVER

10
Win2000?????
Win2000pro?winnt workstation(NT???)?????,????? ??
???????????????????98????NT4? ??,????2?CPU,??4G???
Win2000 server??winnt server
4.0(NT???4?0)???????? ,?????????????WEB???????????
?? ??????,????4?CPU,??4G??? Win2000 advanced
server?winnt server 4.0?????server
?????? ????????????,??????????????Internet ???????
?????,????2?????,8?CPU,?? 8G??? Win2000
datacenter server??????,?????????????, ???????????
?????????,????4????? ????32?CPU,??64G???
11
????

FAT FAT32 NTFS
DOS
WIN98
NT
WIN2K
12
WIN2000?NT?????????
  • ????????????
  • ???????????????
  • ?????????????????,?????????,?????
  • ??????????????,????????????
  • ?????????,??????????????
  • ???????????,???????????
  • ???????????????,????????????

13
Windows 2000 ??????
  • ????
  • ????
  • ????
  • ???????
  • ???????
  • ??WIN2000?????

14
Features of a Domain
15
Benefits of a Domain
????
16
Domain Organization
17
Features of Active Directory
18
Benefits of Active Directory
19
??WIN2000?????
20
Lab B Identifying Features of a Windows 2000
Network(????)
21
win2000??
22
????
  • ??
  • ?????????
  • ???????
  • ?????
  • ????
  • ?????????????????
  • ?????
  • ????
  • ???
  • ?????---?????????(net share)
  • ????----?????
  • ??
  • ????---??????
  • MMC(?????)

23
??
  • ????(eg.??)
  • ?????(????)
  • ????(FAT???)
  • ???????(??)

24
????
  • ????(???????)
  • ????

25
????
26
???????
  • ???????????
  • (????????,???????????????SAM)
  • ?????????
  • (DC????,????????AD?,?????)

27
????
  • ????????????
  • ???????
  • ??????(Administrator,Guest)
  • ?????
  • ????
  • ?????----?????????
  • ??

28
????
  • ????????
  • ????6????(????????????,????????)
  • GUEST???USERS?
  • BACKUP---???,??????
  • ??????????USERS????
  • ???????,?????
  • ????,??????????
  • ?????????????

29
????????
  • ??( RIGHT)----?????,????????
  • ??(PERMISSION)---?????,????

30
????
31
1.?????
  • ??????????????????????
  • 1.???????????????????????????(???)?,???
    ?????????????????INTERNET?,????????,???????,??????
    ????,????????????????,?????????,??????
  • 2.???????????????????
  • 3.???????????,????????????
  • ?????????????????????

32
(No Transcript)
33
???????
  • ?  ????????????????(?????????????????)
  • ?   ?????,?????????????,?????????????????????
  • ???????????????????????????????????????,????????A
    DSL????????????,??????????,????????????,??????????
    ???,??????????????????????????????????????????????
    ?????(???????),???,?????????,?????????????????????
    ????????????????

34
2.???????
  • ???????????
  • ?    ???LAN-Local Area Network????????????????
  • ?????(?????????????)
  • ?????(???)
  • ??????????(?????)?
  • ?????????????,????????,??????100M??1000M???,???
    ??????????
  • ?????????????,???????????????????,??????,????????
    ??????????
  • ?    ???WAN-Wild Area Network???????????????
  • LAN-LAN(?????????????????)
  • ???,????,????TCP/IP???INTERNET???????????
  • ??????,???????????,?????????
  • ?    ???MAN-Metropolitan Area Network?????????????
    ????
  • ?????????,?????????????????
  • ??????????,?????????

35
Local Area Network
Wide Area Network
36
3.????Topology
  • ???????
  • ????,???????(????)??????
  • ?????????
  • BUS???????
  • ?????????????????,??????????????????????????????
    ???(?????????????,??????????????)
  • STAR??????
  • ?????????????????????????,??????????????????????
    ???(???BUS???,??SWITCH?ROUTER?????)
  • RING??????(????????,????????????)
  • ??????,??????????????,????????????,?????????????
    ????????,?????,??????????????
  • MESH??????(?????)
  • ??????,??????????????????????????????????,??????
    ???,???????,?????????????????,???????????????,????
    ??????????
  • HYBRID???????

37
(No Transcript)
38
(No Transcript)
39
(No Transcript)
40
(No Transcript)
41
(No Transcript)
42
???????
  • ??????????
  • ???????????????,?????????,????????????????(???????
    ????,??????????)
  • ?????????
  • ??????????????,?????????????????,???????????,?????
    ??????????
  • ??,???????????????,?????????,???????????,?????????
    ????
  • ????????,??????,?????????,??????????????????????,?
    ????????,?????????????????????
  • ?????????
  • ?????????????,????????????????????????,???????????
    ??,FDDI????,?????????????
  • ???????? ????????????,??????????????

43
4.?????
  • ?    ???Peer-to-Peer
  • ????????,??????,????????
  • ??????????
  • ???lt10
  • ?????
  • ?    ????????Client-Server
  • ?????????????????,?????????????,?????????????,???
    ????????????????????,??????????
  • ????????????,????????????????,???????,???????
    ?,??????????????????????-?????????????,???????????
    ???????,???????????,??????????????????????????????
    ??,??????????????????,?????????????????????????

44
(No Transcript)
45
5.??????
  • ??????
  • ????????
  • ???????????????
  • ?????????????
  • ????????
  • ?    WIN2000
  • ?    UNIX TCP/IP
  • ?    NETWARE IPX/SPX
  • MICROSOFT??NT?????NETWARE,??WIN2000?????UNIX??????

46
?????
47
?????
  • ??
  • ????
  • ??
  • ??
  • ???
  • ??

48
Types of Cables
49
1.????Coaxial Cable
  • ?????????????,?????????(???)?????????
  • ??????????????????????,???????,??????????????????
    ??
  • ??????????,?????????,???????????,???????????????,
    ?????????
  • ?????????
  • ?    ??CrossTalk
  • ?    ??Attenuation
  • ?????????????,????????(??????????)????????,??????
    ?
  • ???????????????????????
  •  

50
???????
  • ?????????????????????BUS?
  • ???????,?????,??????????????
  • ????????????Terminator?50????,?????????????????
  • ??????????????
  • ??????????????????,???????,?????????,?????,??????
    ??????????,?????????,?????????????????????,??????,
    ????????,???50??????????????,????????

51
???????
  • ???????(?????10M???)
  • ?    ??ThinNet
  • ??0.25??
  • ????185?,??0.5?
  • ?????10Base2
  • ?    ??ThickNet
  • ??0.5??
  • ????500?,??2.5?
  • ?????10Base5
  • ??????????,??????(????????????)
  • ?????,???????????,?????????????????,?????????????
    ????,????????????

52
2.???Twisted-Pair
  • ?????????,?????,?????
  • ???????,????????,???,????????,???????
  • ?????????,????????????(???????????)
  • ?????????,??????????????
  • ????????10M?100M???,??????100??10M???????3????,??
    ?100M???,???5??????

53
??????
  • ?????????????RJ-45??????????HUB?,??RJ-11???(????)
    ?????RJ-11??????,?RJ-45???????
  • ????????????,????????,???????????????????????????
    ????????????????,568B????
  • RJ-45RJ45???????,???????????????????,??????????
  • ??????????????,?1,3,2,6?
  • ??????????HUB?SWITCH????????,?1-3?2-6??,?????????
    ?568A???,???568B????
  • ??HUB??HUB?????????(UPLINK?MDI),??HUB????????HUB?
    ???????HUB????????

54
???
  • ? ???????UTP (Unshielded Twisted-Pair)
  • ???????UTP????????????,?????LAN???
  • ?  ??????STP (Shielded Twisted-Pair)
  • STP?????????????STP?????????,??????????????????,S
    TP????????UTP??????????
  • ???????????
  • ?????RJ-45???,?????????????????????,?????,????????
    ??5???,??????????1.25CM?

55
3.??Fiber-Optic Cable
  • ??????????????????????????????????????????
  • ???????????????????????????????????,?????????????
    ?????
  • ?????
  • ?    ????
  • ???????(???)???,????????,?????????,???????????
  • ?    ????
  • ??????????,???????,????????????
  • ?????
  • ????????????2KM
  • ?????????????,???100KM???
  • ???????gt100M bps,??????
  • ???????
  • ??????,????????
  • ????,??????,????
  • ????????(?????????,?????)

56
4.????Wireless Communication
  • ??????????,??????????????????????????????????????
    ????,?????????

57
Wireless Communication Devices
58
????
59
5.???????
  • ?????????????????????
  • ????BaseBand
  • ??????????????????,?0-8??????????(0101???)
  • ????????????(?????????)
  • ?????????????,??????????????????
    ,??????????,?????,?????????????,??????????????????
    ???,??????,????,????????
  • ????BroadBand
  • ??????????????,????
  • ?????????,????????,??????
  • ??????,????????????(??????)??????
  • ????????
  • ?????????,????????????????????
  • ?????????????,????????
  • ?????????,????????,??????PC???????,???PC?????????
    ????PC???????????,??PC?????

60
6.??Network Adapters
  • ??????????????????????
  • ??????????????????????????
  • ??????????????????????????
  • ??????????????? ??(??????????????????)????????
    ??(???????????????)

61
(No Transcript)
62
???????
  • ?    ??I/O??(I/O Port Address)
  • ??????????,????????????????I/O????
  • ???????????,??????????????
  • ??????????????,????????0X300?
  • ?    ??IRQ
  • ??????????????,???????(????????CPU??????)?
  • ?????????????????????????
  • ???????????,??????????I/O??,?????????????????????
    ???,????????????????????????,?????????????,???????
    ,??????,??????????????????,???????????
  • ?????????????????????????,???????(ISA??)
  • ???????????????????(ISA??)
  • ?PCI???,????????????????????,?????????

63
????
  • ???????,?????????????????,?????????????????
  • ?????????????????MAC Address,????????
  • MAC Address?12???????,???48??????(6???)?
  • ???????????????,??????,???????????????????
  • ?????????????,????????????
  • WIN2000?,????IPCONFIG/ALL????????????,???????????
    ??

64
8.??????
  • ???????????????????,??????????????????????????????
    ???????????????????
  • ???????????????????
  • ??????????????????,????????,???????????????????,?
    ??????????
  • ??????????????????????????????????????????
  • ???????????????????,?????????????????????,?????(C
    PU)???????
  • ????????,?????????????(????????,??????????)

65
Header
Data
Trailer
0.5 KB - 4 KB
CRC
Source Address
Alert Signal
Destination Address
66
???????
  • ???????????????????????????
  • ??,??????????1,?????????????
  • ??????????,??????????,???????????,???????????????
    ???????????,???????,??????????????,???????????????
    ???

67
9.??????
  • ?    ???UNICAST
  • ?????????????????,???????,?????????????MAC??
  • ?    ???BROADCAST
  • ???????????????????,??????????
  • ??????,????????????
  • ?    ?????MULTICAST
  • ????????????????????????
  • ??????,????????????,?????????????????????????????
    ???????????(??????)

68
10.????
  • ???????????????????????????????????????????
  • ??????????????CSMA/CD
  • ???????????????????(????)???,????????????(????),?
    ????????????(???????????)
  • CSAM/CD???
  • ????????????????
  • ?????????,??????????????????,?????,??????????(???
    ??)
  • ????????????????,?????????,??????????,???????????
    ????????,????????????,????????,???????????????????
    ???????,????????????,?????,????????????,??????????
    ???????????,????????????????

69
Carrier Sense Multiple Access
Detects signal
Transmits signal
Collision detected
Collision Detection
70
????Token Passing
  • ???????,????????????????????????,????????????????
    ,????????,??????????
  • ????????,????????,??????,????????
  • ????????????
  • Token Passing???
  • ?????????????????
  • ??????
  • ??????????50???????,?????????????????,??????????,
    ????????,???????,?????,????????,??????????,??????,
    ??????,??,??????????,????????,????????,???????????
    ??
  •  

71
??MSAU?????,???HUB???,?????
72
????
  • ???????????????????,????????????

73
????
  • ???????ROUTER??,???????,??????????,??????,????????
    ?????

74
1.???????PSTN-Public Switched Telephone Network
  • ????????Analog(???,???)
  • ????
  • MODEM
  • ????
  • ????
  • ?????OSI??????
  • ???????????,???????????????,??PSTN??,????????????
    ?????,???????????,???????????????????????
  • MODEMModulateDemodulate
  • ??56K?MODEM???56K,???33.6K

75
???????
76
????
  • T1
  • ????????(?????,????)
  • 1.544Mbps(???,???PSTN??,???)
  • ???,Send and Receive
  • 24X64K(?????T1?????24???,????????????,?DATA?PHONE
    ?)
  • E1
  • ???????????
  • 2.048Mbps
  • 32X64K

77
????
78
2.?????????ISDNIntegrated Services Digital
Network
  • ???????(??????????,??????,????)
  • BRI(Basic Rate Interface) 2BD
  • ??????,????????B??(??64Kbps)???16Kbps?????,D????
    ???
  • PRI(Primary Rate Interface) 23BD
  • ?????,?23?B?????64Kbps?????
  • ??
  • NT(Net Terminal)
  • TI(Terminal Adapter)
  • ?????,?????
  •  
  •  

79
ISDN
80
ISDN????
  • Local Switch?????????,????????????,?????????????
  • NT Device????????????????????,??????????,????????
    ??????????,???????????????????NT
    PLUS????????????????????PC?
  • Terminal Adapter?????MODEM,?????????????,????????
    ?,????PC???,???INTERNET?
  • ????????,???8???(?????)????2B??,??????????,???????
    ????T1?E1????,?????????

81
???
  • ????????????????????????????,????????????,???????
    ????,???????????????????????
  • X.25???????????????(????,???)
  • Frame Relay???
  • ????????????????????????
  • ?????????????
  • ???????????
  • X.25???,???????????
  • PVC(Permanent Virtual Circuit)?????

82
3.???(????)
83

Main Office
Frame Relay Network
Frame
Branch Offices
Frame
Frame
84
4.??????ATMAsynchronous Transfer Mode
  • ?????????????????????????????LAN?WAN,??????????,?
    ???TCP/IP?????
  • ??Cell
  • ATM???????????????,?????ATM??????
  • 53???,48????,5????
  • ????,????????
  • 48????????????????2????,?????????,ATM??48????
  • ??????????????,?????64??,?????32??,???????,?????,?
    ???(6432)/2,????????48????????????
  • ???155M,622M(?LAN?WAN??????????,LAN???,??????WAN?
    ?)

85
(No Transcript)
86
ATM
87
ATM
  • ????A?B?C???????????,A??B?,B??C?,C???A??,????????
    ???????,A?B?C??1/3,????A?B?C??????????,???????????
    ???A?B???,C??,???????C???1/3???????????????????,??
    ????
  • ?????A?B?C?????????????,??????,??????????????????
    ,ATM??????????????????????

88
5.?????????ADSLAsymmetric Digital Subscriber Line

89
ADSL
  • ADSL???????????,??????????0-3KHz??????,?4KHz-1MHz
    ??????,??ADSL????????(??)???????????
  • ??????????,???????
  • UPLOAD 16-640K(??ADSL???)DOWNLOAD 1.5M-9M

90
6.Cable Modem
91
Cable Modem
  • ?????????????????????
  • Cable Modem??????????????,??????,????????????,???
    ???????
  • ????????,???????,???????????

92
??????
93
????HUB
Repeater
Hub
94
  • ?????????
  • HUB??????????
  • ???????
  • ??5-4-3??(??????5???,???????4????,????????3?????PC
    )

95
??
Bridge
96
  • ??????????
  • ??????,????
  • ????????????MAC
  • ????????
  • ??????????

97
???
98
???
Router
Router
Router
Router
99
??
Gateway
100
????
101
??(??????)
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