Answer:
Border Gateway Protocol is a protocol the routers use to determine the most optimal path to forward the traffic.
Explanation:
BGP is a path vector protocol which chooses the most optimal path. The protocol decides core routing decisions based on path, configuration and network.
This protocol gives all the notification about the status of the connection and router.
It is used to routing in an autonomous system and provides ways to measure the effectiveness of configuration.
Nothing, it will just keep sending you annoying notifications that become more and more frequent, i would just confirm it if i were you
Physical component means Computer Hardware which you can touch and non Physical component means Software, which you can not touch. nonphysical component designed specially for physically component. like Microsoft company designed Software according the Hardware for example Microsoft windows 64 bit could not install on which 32 bit Architecture Hardware.
