Which of these choices best describes a collision domain?
- Two or more devices trying to communicate at the same time
- Two networks that are connected
- Network segments that share the same bandwidth
- None of the above
The correct answer is 3.
A collision domain is the group of network segments that share the same bandwidth. In Ethernet, data from the devices on these segments may collide if multiple devices try to communicate at the same time. An example of a collision domain is a group of devices connected via a hub.
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