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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== 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:Exp4wan19.png|800px|left|thumb|Linie hastigheder]]
 
|[[Image:Exp4wan19.png|800px|left|thumb|Linie hastigheder]]
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== WAN typer ==
 
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|[[Image:Exp4wan20.png|800px|left|thumb|ISDN]]
 
|[[Image:Exp4wan20.png|800px|left|thumb|ISDN]]
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|[[Image:Exp4wan30-2.png|800px|left|thumb|WAN typer 2]]
 
|[[Image:Exp4wan30-2.png|800px|left|thumb|WAN typer 2]]
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== Seriel kommunikation ==
 
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|[[Image:Exp4wan31.png|800px|left|thumb|Seriel kommunikation]]
 
|[[Image:Exp4wan31.png|800px|left|thumb|Seriel kommunikation]]

Revision as of 07:13, 8 September 2009

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

WAN standarder

Fysiske standarder
Fysiske standarder
Data Link protokoller
HDLC frame.
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

Seriel kommunikation

Seriel kommunikation
RS232 (Console port, COM port, WAN port (Synkron, asynkron)
TDM
TDM statistisk
ISDN
USA: Sonet Europa: SDH
PDH multiplexing (Amerikansk)
PDH multiplexing (Amerikansk)
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