Every network device starts communicating with other network device after making sure the other device is on and is working fully. But, how a network device can make sure other device is responsive? Network devices check other devices by sending Hello packets. Other devices after receiving Hello packets send Acknowledgement packets. Network devices usually transmit Hello packets after every few seconds. Continue reading
Network ID
Subnetting
Single IP is purchased by the company and this single IP is responsible for networking of all the departments in a company. Being interested in networking, this is the first question that comes in the minds, How a single IP can be used by all the departments? The answer to this lies in the concept of subnetting. So, the question arises, what is subnetting? Converting single IP into more networks is called subnetting. Continue reading
Zainub Wahid 