If a router has four interfaces and each interface is connected to four switches, how many broadcast domains are present on the router?

Question:
If a router has four interfaces and each interface is connected to four switches, how many broadcast domains are present on the router?

• 1
• 2
• 4
• 8

Explanation: Remember that only route interface can separate broadcast domain (while switch interface separate collision domain) so the broadcast domains are equal to the number of router interfaces, which is four in this case.

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