Dr - designated router bdr - backup designated router while using ospf a election ll be held up based on the ip address of the router, the router having the highest ip address will be elected as the...
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Dr - designated router bdr - backup designated router while using ospf a election ll be held up based on the ip address of the router, the router having the highest ip address will be elected as the...
Switch is a layer 2 device , works with mac address , faster than router , broadcasts the packets with in the network.when a switch is connected to a lan say 20 pcs first of all, it broadcasts the...
FTP - File Transfer Protocol.
Used to transfer files from one point to the other.
Port no - 20-Control,21-Data.
Works on layer 3,4,6,7