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OSI stands for open system interconnect.
Routers supports filtering and encapsulation.
Gateway connects decimal networks LAN.
Operates on all 7 layers of OSI reference model.
Protocol conversion from one LAN to another.
Router operates on network layer of OSI reference model.
Router used to connect similar and dissimilar network.
Repeater works in physical layer of OSI reference model.
Hubs - physical layer
Bridge - capable to read Mac address of devices. Works on Data Link Layer of OSI reference model.
Switch - like hub, inteligent, determine source and destination and pass data to only targeted destination.
Switch can operate on coaxial, UTP, OFC
switch is manageable by SNMP ( SIMPLE NETWORK MANAGEMENT PROTOCOL)
L2 switch, L3 switch
What is MAC address?
Describe NIC card
Types of topology
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