Studydroid is shutting down on January 1st, 2019

by mortiz


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Application, presentation, session (Layers 5-7)
Firewall, intrusion detection system
Transport (Layer 4)
None
Network (layer 3)
Router
Data link (layer 2)
LAN switch, wireless access point, cable modem, DSL modem
Physical (Layer 1)
LAN hub, repeater
x of y cards