Interview Question 1
Nic: Network Interface Card is a Circuit board
It is used to connect computers with network.
Every nic is having a Mac address
For example/ Instance
PC = wifi, bluetooth, ethernet
Interview Question 2
What is the diffrence between Gateway and a Router ?
Router is a network device which is used to connect diffrent networks.
Gateway : Exit point of the lan network is known as gateway.
Router is a hardware and gateway is terminology.
Interview Question 3
What is the diffrence between Private Ip & Public IP ?
Private Ip is not routable to the internet & also its free.
Public Ip is routable to the internet & its paid.