Refer to the top topology; how many collision domain(s), and broadcast domain(s) do we have 5 broadcast domain, 5 collision domain 1 broadcast domain, 1 collision domain 1 broadcast domain, 5 collision domain 5 broadcast domain, 1 collision domain Refer to the topology in question 6; if you replace the hub with a six ports switch; how many collision domain(s) and broadcast domain(s) do we have 6 broadcast domain, 1 collision domain 1 broadcast domain, 6 collision domain 2 broadcast domain, 1 collision domain 1 broadcast domain, 1 collision domain