Which of the following statements about collision domains and broadcast domains are correct? (Choose three)
A. Devices connected to the same hub form a collision domain
B. Devices connected to the same hub form a broadcast domain
C. Devices connected to the same bridge form a collision domain
D. Devices connected to the same bridge form a broadcast domain
E. Devices connected to the same router form a broadcast domain
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Correct answer is: A, D, E
B is incorrect because the devices connected to the HUB are in the same collision domain. A HUB is a repeater so it does not form broadcast domains; broadcast domains “are created” by switches, routers and bridges.
To be precise, a HUB does not form a new broadcast domain. This is because a collision domain is also a broadcast domain but not the other way around.
Anyway given this rule “This is because a collision domain is also a broadcast domain but not the other way around.” B is also true. The question is ambiguous. Based on how it is interpreted, the following are true: A, B, D, E.
you are seeing this in a wrong way, a hub is in fact a repeater, so it does form a broadcast domain, because all end stations will receive the signal, that is nothing stopping all systems is a hub to receive the signal, so it does form a broadcast domain, in the E they do not form a broadcast domain, maybe u are imagining things in the wrong way, think about interfaces.
E is correct too