NNTP and DNS works on:
CSLIP, PLIP, SLIP, MAC and L2TP are the protocol of:
What is the highest used equipment of layer 7?
What is the main equipment that is used on Layer 3?
Full duplex, half duplex is the operation of layer:
What is the main function of Transport layer?
Which layer is closest to end user?
DHCP stand for?
At which layer data is transmitted in packets?
What is the ARP used for?
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