Explanation: A collision occurs when two or more devices try to transmit data at the same time on a shared medium, such as a cable or a wireless channel. Collisions result in corrupted or lost data, and reduce the efficiency of the network. Different connection types have different susceptibility to collisions, depending on how they handle data transmission and collision detection.
Dark fiber and fiber are optical connections that use light to transmit data. They are immune to electromagnetic interference and have very high bandwidth. They also use full-duplex communication, which means that data can be sent and received simultaneously on separate fibers. Therefore, collisions are very unlikely to happen on dark fiber and fiber connections.
Copper is an electrical connection that uses metal wires to transmit data. It is prone to electromagnetic interference and has lower bandwidth than optical connections. It can use either half-duplex or full-duplex communication, depending on the device and the protocol. Half-duplex communication means that data can only be sent or received at a time on the same wire. Therefore, collisions are more likely to happen on copper connections that use half-duplex communication, such as Ethernet hubs.
Wi-Fi is a wireless connection that uses radio waves to transmit data. It is also prone to electromagnetic interference and has lower bandwidth than optical connections. It uses half-duplex communication, which means that data can only be sent or received at a time on the same channel. Therefore, collisions are very likely to happen on Wi-Fi connections, especially when there are many devices using the same channel or frequency.
References:
- Types of Collisions
- What are elastic and inelastic collisions?
- Why is a switch port a collision domain?
