Home » Cisco » 200-125 v.2 » Which type of device is every port in the same collision domain?
On which type of device is every port in the same collision domain?
A. a router
B. a Layer 2 switch
C. a hub
Correct Answer: C
Explanation/Reference:
Collision domain A collision domain is, as the name implies, a part of a network where packet collisions can occur. A collision occurs when two devices send a packet at the same time on the shared network segment. The packets collide and both devices must send the packets again, which reduces network efficiency. Collisions are often in a hub environment, because each port on a hub is in the same collision domain. By contrast, each port on a bridge, a switch or a router is in a separate collision domain.
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