ÒÇÑÔ ßÇÑ ÂãæÒí - samakhoy.ac.ir · networkvpn)virtual private vpn leased vpn vpn...
TRANSCRIPT
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A
A
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SAc?
#"V
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VPN
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Excel,Word
VPN
VPN
VPN
VPN
Userpass
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IT
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IT
IT
ICDL
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VPN
WANLeased Line
ISDN
OC3Optical Carrier-3
WAN
WAN
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VPN)Virtual PrivateNetwork
VPN
Leased
VPN
VPN
Remote-Access
VPDN)Virtual private dial-up network
User-To-Lan
ESP)Enterprise service provider
ESPVPNNAS)Network access
server
NAS
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Site-to-Site
VPN
VPN
VPN
VPN
WAN
VPN
LAN
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LAN
Leased
LAN
VPN
VPN
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VPN
VPN
LANVPN
VPN
VPN
VPN
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Secret
A
CBD
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PGP)PrettyGood
Privacy
IPSecIPsec)Internet protocol securityprotocol
Tunnel TransporttunelPayload
transportpayload
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AAAAAA : Authentication
Authorization,AccountingVPN
AAA
Authentication
Authorization
Accounting
VPN
VPN
VPNPIX
VPNDial-up
NASVPN
VPN
VPN
VPN
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VPN
VPN
PIXPIX(Private Internet eXchange
NATProxyVPN
Tunneling
VPN
Tunneling
IPSec,L2F,PPTP,L2TP,GRE
IPX,IP,NetBeui
Tunneling
NetBeui
IP
IP
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IP
VPNGRE)generic routing
encapsulation
IP
IPSec
tunnelIPSec
VPN
TunnelIPSec
VPNTunnelingPPP
PPPIP
PPP
VPN
L2F)Layer 2 Forwarding
PPP
PPTP)Point-to-Point Tunneling Protocol
PPP
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L2TP)Layer 2 Tunneling Protocol
PPTPL2F
L2TPIPSec
NAS
Tunneling
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