in my opinion there is no any collision domain in the router......but switch has collision domains for each interfaces & hub has one collision domain
Not only do bridges and switches separate collision domains but routers also perform this task.
Bridges, Switches and Routers will all separate collision domains.
On shared-media networks (i.e. hubs or pure ethernets), routers break up broadcast domains and bridges break up collision domains. Routers also break up collision domains. On switched networks, routers break up broadcast domains, and every switch port is its own separate collision domain.
Yes, routers can break up collision and broadcast domains.
AnswerYes. You can't split a broadcast domain without also splitting the collision domain. The only devices that can split a broadcast domain are routers and layer 3 switches. Switches, bridges, and routers can all be used to split the collision domain. Hubs and repeaters do not split the collision domain or the broadcast domain.
It's because of collision and broadcast domains. Routers allow to break both.
Modern networks used two devices for the data packets within the network will flow easily. The two devices are the routers and switches.
Routers support a variety of interface types. Switches typically support Ethernet interfaces.
Yes
Yes
Depends on how many switches each router takes. You need a router to connect all the other routers, and then enough switches to make 81. For example, you can use 6 16 port routers to connect the computers and 1 8 port router to connect those routers together
To stack routers means to physically stack routers. Some stack a couple of routers on top of each other if they plan to just use them as switches or similar.