$1.$ How many collision domains exist in the network of Figure $1?$ Justify.

$2.$ How many broadcast domains exist in the network of Figure $1?$ Justify.

$3.$ At which rate does the link between Hub$0$ and Router$0$ operate? Justify.

$4.$ Send a broadcast packet inside the network $192\mathrm{.}168\mathrm{.}1\mathrm{.}0/24.$ Then inspect the MAC$-$address table on switch SW$0.$ Take a snapshot of the table and describe the table.Table $1.$ Items to complete on the network of Figure $1.$

Answer the following questions.

How many collision domains exist in the network of Figure $1?$ Justify.

How many broadcast domains exist in the network of Figure $1?$ Justify.

At which rate does the link between Hub$0$ and Router$0$ operate? Justify.

Send a broadcast packet inside the network $192\mathrm{.}168\mathrm{.}1\mathrm{.}0/24.$ Then inspect the MAC$-$address table

on switch SWO. Take a snapshot of the table and describe the table.