VPN की परिभाषा और इतिहास | What is VPN in Hindi | Urdu

VPN definition, what is VPN, origin, history<br />For Youtube : https://studio.youtube.com/channel/UCt2yVPIDZhsWoCN1sUR55DQ<br /><br />Note : All videos created by BAY OF IT are for educational purpose only, we research on technologies old/new /upcoming and create videos for training, educational or for knowledge. so needy /poor can get it on free of cost.