Difference between revisions of "CCNA Explorer 4 Accessing the Wan"

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|[[Image:Exp4wan12.png|800px|left|thumb|WAN enheder]]
 
|[[Image:Exp4wan12.png|800px|left|thumb|WAN enheder]]
 
|-
 
|-
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|
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*Channel Service Unit/Data Service Unit
 
== WAN standarder ==
 
== WAN standarder ==
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|-
 
|[[Image:Exp4wan13.png|800px|left|thumb|Fysiske standarder]]
 
|[[Image:Exp4wan13.png|800px|left|thumb|Fysiske standarder]]
 
|-
 
|-
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|-
 
|-
 
|[[Image:Exp4wan16.png|800px|left|thumb|HDLC frame.]]
 
|[[Image:Exp4wan16.png|800px|left|thumb|HDLC frame.]]
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|-
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|
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*'''Flag''' - 01111110 Start and end delimiter
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*'''Address''' -  Not needed but still present on p2p links
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*'''Control''' - Is it network traffic or control data
 
|-
 
|-
 
|[[Image:Exp4wan17.png|800px|left|thumb|WAN typer i CCNA]]
 
|[[Image:Exp4wan17.png|800px|left|thumb|WAN typer i CCNA]]
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|-
 
|-
 
|[[Image:Exp4wan19.png|800px|left|thumb|Linie hastigheder]]
 
|[[Image:Exp4wan19.png|800px|left|thumb|Linie hastigheder]]
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|-
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|
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== WAN typer ==
 
|-
 
|-
 
|[[Image:Exp4wan20.png|800px|left|thumb|ISDN]]
 
|[[Image:Exp4wan20.png|800px|left|thumb|ISDN]]
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|[[Image:Exp4wan23.png|800px|left|thumb|ATM]]
 
|[[Image:Exp4wan23.png|800px|left|thumb|ATM]]
 
|-
 
|-
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|[[Image:Exp4wan24.png|800px|left|thumb|DSL]]
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|-
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|[[Image:Exp4wan25.png|800px|left|thumb|Cable]]
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|-
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|[[Image:Exp4wan26.png|800px|left|thumb|Wireless]]
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|-
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|[[Image:Exp4wan27.png|800px|left|thumb|VPN]]
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|-
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|[[Image:Exp4wan28.png|800px|left|thumb|VPN]]
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|-
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|[[Image:Exp4wan29.png|800px|left|thumb|Metro Ethernet]]
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|-
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|[[Image:Exp4wan30-1.png|800px|left|thumb|WAN typer 1]]
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|-
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|[[Image:Exp4wan30-2.png|800px|left|thumb|WAN typer 2]]
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|-
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|
 
|}
 
|}
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[[Category:CCNA]]

Latest revision as of 23:22, 30 January 2011

Wans
Small Office home - Lille kontor
Campus - Hovedkontor
Branch - Filialer
Distributed
Enterprise Arkitektur
Enterprise Arkitektur
Enterprise Arkitektur
Eksempel
OSI og lag 2 WAN's
Udbyder og kundeplaceret udstyr (Demarcation Point)
WAN enheder
  • Channel Service Unit/Data Service Unit

WAN standarder

Fysiske standarder
Fysiske standarder
Data Link protokoller
HDLC frame.
  • Flag - 01111110 Start and end delimiter
  • Address - Not needed but still present on p2p links
  • Control - Is it network traffic or control data
WAN typer i CCNA
Amerikanske og Europæiske standarder ofte forskellige
Linie hastigheder

WAN typer

ISDN
X.25
Frame Relay
ATM
DSL
Cable
Wireless
VPN
VPN
Metro Ethernet
WAN typer 1
WAN typer 2
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