Question

A router connects two Ethernet switches. Switch A has 6 hosts connected directly to its ports, plus one port on Switch A connects to a hub with 3 additional hosts attached. Switch B has 5 hosts connected directly to its ports, with no hubs. How many total collision domains and broadcast domains exist in this setup?

A 12 collision domains and 1 broadcast domain
B 11 collision domains and 2 broadcast domains
C 9 collision domains and 2 broadcast domains
D 12 collision domains and 2 broadcast domains
E 14 collision domains and 2 broadcast domains
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