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

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== Seriel kommunikation ==
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|[[Image:Exp4wan31.png|800px|left|thumb|Seriel kommunikation]]
 
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|[[Image:Exp4wan32.png|800px|left|thumb|RS232 (Console port, COM port, WAN port (Synkron, asynkron)]]
 
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|[[Image:Exp4wan33.png|800px|left|thumb|TDM ]]
 
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|[[Image:Exp4wan34.png|800px|left|thumb|TDM statistisk]]
 
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|[[Image:Exp4wan35.png|800px|left|thumb|ISDN]]
 
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|[[Image:Exp4wan36.png|800px|left|thumb|USA: Sonet Europa: SDH]]
 
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|[[Image:Exp4wan37.png|800px|left|thumb|PDH multiplexing (Amerikansk)]]
 
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|[[Image:Exp4wan38.png|800px|left|thumb|PDH multiplexing (Amerikansk)]]
 
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|[[Image:Exp4wan39.png|800px|left|thumb|PDH multiplexing (Amerikansk)]]
 
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|[[Image:Exp4wan40.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan41.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan42.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan43.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan44.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan45.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan46.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan47.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan48.png|800px|left|thumb|]]
 
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|[[Image:Exp4wan49.png|800px|left|thumb|]]
 
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Revision as of 11:29, 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