Choose the item below that best describes a collision at the link layer:Group of answer choicesWhen 1 car nearly crashes into another carWhen one person waits for another to speak in a civilized conversationWhen a web server talks to a client over a routed connectionWhen two devices on the same physical network try to transmit at the same time
Question
Choose the item below that best describes a collision at the link layer:Group of answer choicesWhen 1 car nearly crashes into another carWhen one person waits for another to speak in a civilized conversationWhen a web server talks to a client over a routed connectionWhen two devices on the same physical network try to transmit at the same time
Solution
The item that best describes a collision at the link layer is "When two devices on the same physical network try to transmit at the same time".
This is because a collision in the context of a network link layer refers to the event when two or more devices attempt to send a signal at the same time over a single channel. This results in the signals interfering with each other, causing a 'collision'. This is a common issue in networks that use Carrier Sense Multiple Access/Collision Detection (CSMA/CD) protocol, such as Ethernet.
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