CCNA Explorer 4 Accessing the Wan - Teknologisk videncenter

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Contents

1 WAN standarder
2 WAN typer
3 Seriel kommunikation

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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