1: Broadcast: One to all
eg: AIR: ALL india Radio, Television news etc
eg: I am taking a batch. In batch there are 8 students all understand english.
So when I am speaking in english the message is for every one.
eg: Diwali Season or Christmas : you send a email of Diwali or christmas to every one, to ur parents, brother, sister, girlfriend and friends. a message is for every one.
Hub doesn't understand the ip address, mac address.so he floods the packet to all the interfaces its connected to but it never sends the packet to the same interface from which it was received.
Hub is having one broadcast domain.
Broadcast domain = 1
In hub there is a collision.
Collision Domain = 1
Hub: maximum ports = 24
minimum ports = 4
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