Title: CCNA Exploration Network Fundamentals
1CCNA Exploration Network Fundamentals
- Chapter 10
- ??????????? ? ??????????? ?? ?????
2(No Transcript)
3??????????
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4????????? ?? ????????? ??????
5????????
- ??????????, ????? ???????? ?????, ??????????? ?
??????, ????????? ?? ???????? (????????????)
?????????? - ?? ????? ???? ?? ?????? ??????? ?????
- ???????? ?????? ????????? ????????
- ???????? ??????????? ???????????? ???????
6?????-??????? ??????????
- Hub ???????????????
- Switch ???????????????
7??????? ?? ????? ?? ??????????
- ????
- ???????
- ??? ?? ?????????/????????????
- ????????????
- ????????????
- ???????????? ??????????? ? ??????
8????
- ????????? ?? ?????????? ???? ?? ????
- ????????? ????? ???? ??????? ? ??????? ?? ??????
(????????????? ?????? ?? ???????) - ?????????? ?? ?????????? ??-?????
????????????????
9??????? ? ??? ?? ???????/??????????
- ????????? ?? ???? ??????? ?? UTP ?????, ????
??????? ?? ??????? ?????. - ????????? ?? ??? ??????? ?? ??????? ?? 1 Gbps
?????? ? ??? ????? ?? ?? ????????? ? 10/100 Mbp. - ????????? ?? ????? ? ?????????? ?? ??????????.
10????? ?? ?????
- ????????
- ???????????? (???????????? ??????? ??
???????????? ??????????, ????? ????? ?? ???????
?? ???????? ????????? ) - ???????? ????? ?? ????????????
- ??????????? ???????
- ???????? ???? ???????????? ??????? ??
???????????? ??????????, ????? ????? ?? ???????
?? ???????? ?????????.
11- ? ?????????? ?? ???????? ?? ?????????????
???????, ???????? ????? ?? ????????? ????????
??????? ???? - Security
- Quality of Service (QoS)
- Voice over IP (VoIP)
- ???????? ?? ???????? ????????? ?? ???????? ????
(Layer 3) - ????????? ?????? ???? Network Address Translation
(NAT) ? Dynamic Host Configuration Protocol
(DHCP)
12????????? ?? ????????????
13??????????? ?? ????????????? - ???????????
- ?????????? ??????? ?? ??????
- ??????? ??????
- ???? ?? ?????????????????? ??????????
(distribution facility) - ?????? ?????? (Backbone) ?????????? ???????????
- ????????????? ?????? (Distribution cabling)
???????????? ???????????
14??????? ??????
- ?? 5 ? ????? ????? ??????????? (patch) ??????
(ANSI/TIA/EIA-568-B ) ???????? (patch) ????? - ?? 5 ? ????? ?? ????????? ? ??????? (EIA/TIA)
- ?????????? ?????? ?? ????????? ?? ????????? ?
????, ? ?? ????? ??? ???? ?? ?????????
?????????.
15???? ?? ?????????????????? ??????????
- ?????????? ?? ?????-????????? ?????????? hub,
switch, router, data service units (DSU)
?????????? ?????????? ?? ???????? ?? ???????
????? ?? ?????????????? ??????. - 2 ???? ????????? ?????? (EIA/TIA)
- ????? ????????? ?????????? ? ??????????? ?????? ?
?????? ?? 5 ? - ????? ????????? ?????????? ? ????????? ? ???????
?? 5 ?. - ???? ?? ?? ?????????? ? ?????????
16???????????? ??????
- ???????? ???????????????????? ???? ? ?????????
?????? - ?? 90 ? ( 5? ?? ????????? ?-?? ?? ??????????
????? 5 ? ?? ????????? ?? ????????? 100?)
17?????? ??????
- ???????? ???????????????????? ???? ??? ?????????
- ???????? ???? ?? ? ???????, ???????? ??? ???
???????? ????????? (ISP). - ????????? ??????? ??? ?????????? ????????????
??????? gt ????? ????????? (???????? ???????
?????)
18???????? ?????
- ????? ??? ??? ?????? ?????????? ? ???????????.
????????? ?? - ???????????? ??????? ?? ?????? (????? ? ????????,
????? ????????...) - ?????? ?? ??????
- ??????????
- ???????? ?? ???????????
- ?????????? ?? ??????????????? ? ?????????????
?????? ?? ??????? ?? ??????
19????????? ?? UTP ?????? ? LAN
- ???????? - ???????? ?????????? ??????????
- Switch to router
- Computer to switch
- Computer to hub
- ?????????? - ???????? ????????? ??????????
- Switch to switch
- Switch to hub
- Hub to hub
- Router to router Ethernet port connection
- Computer to computer
- Computer to a router Ethernet port
- ???????? ?? ????????? ?? ??????? ??????????
20(No Transcript)
21(No Transcript)
22?????????? ????? ?? ????????
23MDI / MDIX
- MDI-Media Dependent Interface (uplink port)
?????????? ?????? ? ????? ??????? ?????????? (??
????? ??? ???? ???) ???? ??? ????????? ?????? - ?? ????? ?????????? ????????? ???? ?????????,
????? ???????????? ?????? ??????????? ?
?????????? ??????. ??????????? ???? ?????????
?????? ?? ?????? ?? ???? (MDI ) ? ?????????
(MDIX) ? ???????. - ???? ???? ?? ??????????????? ????? ??????????
?????????? ?? ?? ?????? ????? ?? ????? MDI ???
MDIX. - ?????? ?????????? ??????????? ???????????, ???
?????. ???????????? ???? ??????? ???? ????? ???
?????? ?? ???????????. ?? ????? ?????????? ????
????????? ? ??????? ?? ????????????, ? ?? ?????
?????? ?? ?? ?????? ????????????.
24??????????? ?? WAN ??????
- WAN ???????? ????? ?? ?? ?????????? ??? ????????
?????, ??????????? - ?? ????????? ????? ? RJ11 ???????? ?? dialup
- ?? ????????? ????? ? RJ11 ???????? ?? Digital
Subscriber Line (DSL) - 60 ????? ?????? ????????
25(No Transcript)
26?? ????????????
- ??????? ??????
- DB-60 ???????? ??? ??????
- Winchester 15 ????? ???????? ? ???????? ????,
????? ???????? V.35 ?????? ??? ?????????
?????????? ?? ???? CSU/DSU.
27DTE/ DCE
- Data Communications Equipment (DCE) ?????????
?????? ?????? ?? ???????. ?????????? - ??????
?????????? ?? ??????????. - Data Terminal Equipment (DTE) ?????? ??????????
??????. ?????????? - ?????? ?????????? ??
???????.
28?? ????????????
- ?????? ?? ? ???????? ???????? ?????? (? ????? ??
DTE). ?? ?? ????? ???????? ??????? ?????
??????????? ?? ???????? ? DCE ??????????, ???? ??
?? ????? ?????? ??????.
29??????????? ?? ??????? ?????
30?????????? ?? ???????????? IP ??????
- ??????????? ?? ?????? ??????????, ????? ??
??????? ?? IP ?????? - ?????? ??????????
- ????????????? ????????
- ???????????????? ????????
- ???????
- ????? (????????, IP ????????, IP ??????)
- ??????? ??????????
- ?????? (LAN ??????????, WAN ??????????)
- ??????? (??????? ?? ?????, ????? ?? ??????????)
- Wireless Access Points (????? ?? ??????????)
- ???????? ?? ???????????
- ????????? ?? ???????? ? ?????
- ?????????? ?? ???????????? ??????? ????????????
?? ????? ?????
31???????? ?? ?????????? ?? ??????? (???????)
- ?????????? ?? ???????? ?????? ??-?????
????????? ??????? - ???????? ??????? ?????????? ???????? ?? ??????
?????????, ????? ?????????? ? ????????? ?????,
????? ????. - Security ????????? ?????? ???????????? ?? ????
?? ?????????, ?? ??-????? ??????????.
32??????????? ?? ??????????
33?????? 1
- ????? ? ?????? ???? 192.168.26.0/24
- ????? ?? ????????
- ????? ???? ?????? ?? ?? ??????, ?? ?? ?? ????????
??????? ?????????? ????????? - ????? ??????????? ??????? ????? ??? ??? ?????
?????? - ??? ???????? ?????? ??????? ????? ? ?????????
???? - ????? ???????? ??????? ?? ?????? ??????
2
1
126
255.255.255.128
0
34????????? ?????????
192.168.26.0
192.168.26.1
192.168.26.126
192.168.26.127
192.168.26.128
192.168.26.129
192.168.26.254
192.168.26.255
35?????? 2
- ????? ? ?????? ???? 192.168.26.0/24
- ????? ?? ????????
- ????? ???? ?????? ?? ?? ??????, ?? ?? ?? ????????
??????? ?????????? ????????? - ????? ??????????? ??????? ????? ??? ??? ?????
?????? - ??? ???????? ?????? ??????? ????? ? ?????????
???? - ????? ???????? ??????? ?? ?????? ??????
4
2
62
255.255.255.192
0
36????????? ?????????
37?????? 3
- ????? ? ?????? ???? 192.168.26.0/24
- ????? ?? ????????
- ????? ???? ?????? ?? ?? ??????, ?? ?? ?? ????????
??????? ?????????? ????????? - ????? ??????????? ??????? ????? ??? ??? ?????
?????? - ??? ???????? ?????? ??????? ????? ? ?????????
???? - ????? ???????? ??????? ?? ?????? ??????
6
3
30
255.255.255.224
2
38????????? ?????????
39?????? 4
40?????? 4
- ????? ? ?????? ???? 192.168.26.0/24
- ????? ?? ????????
- ????? ???? ?????? ?? ?? ??????, ?? ?? ?? ????????
??????? ?????????? ????????? - ????? ??????????? ??????? ????? ??? ??? ?????
?????? - ??? ???????? ?????? ??????? ????? ? ?????????
???? - ????? ???????? ??????? ?? ?????? ??????
41????????? ?? ????????
- ???????????? ?? ?????????????
- ???? ???????????
- ????????? ???????????
- ??????? ???????
- LAN ?????????? ?? ??????
- WAN ?????? ????? ??????
- ?????????? ?? ???????
- ???? ??????? ?? ??????????? ?????????? ?? ?????
????????? ?????? ?????? ??? ????????? ?
???????, ?? ??????????? ?? ??????????
?????????.
42(No Transcript)
43??????????? ?? ??????????
44?????? 5
Student LAN Student Computers 460 Router (LAN
Gateway) 1 Switches (management) 20 Total for
student subnetwork 481
Instructor LAN Instructor Computers 64 Router
(LAN Gateway) 1 Switches (management) 4 Total
for instructor subnetwork 69
Administrator LAN Administrator Computers 20
Server 1 Router (LAN Gateway) 1 Switch
(management) 1 Total for administration
subnetwork 23
WAN Router - Router WAN 2 Total for WAN 2
45?????? 5
- ????? ? ?????? ???? 172.16.0.0/21
- ????? ?? ????????
- ????? ???? ?????? ?? ?? ??????, ?? ?? ?? ????????
??????? ?????????? ????????? - ????? ??????????? ??????? ????? ??? ??? ?????
?????? - ??? ???????? ?????? ??????? ????? ? ?????????
???? - ????? ???????? ??????? ?? ?????? ??????
4
2
510
255.255.254.0
0
46????????? ?? ?????? ????? ?????? ?????
47- Student LAN 481 ?????? ????
- Instructor LAN 69 ?????? ????
- Administrator LAN 23 ?????? ????
- WAN 2 ?????? ????
9
7
5
2
48?????????? ??????? ?? ????????? ?????
49?????? 2
- 192.168.1.0/24
- ????????? ??????? ???? ?????????? VLSM ? ????????
????????!
50????????? ?? ??????????
51(No Transcript)
52????????? ?? ??????????!