A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?
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A. B. C. D. E.C
The statement that collision detection and carrier sensing are enabled on a shared twisted pair network suggests that the network interface port is likely operating at 10 Mb/s and using Ethernet technology.
Collision detection and carrier sensing are mechanisms used in half-duplex Ethernet networks to detect and manage collisions that can occur when multiple devices attempt to transmit data at the same time on a shared medium. When a collision is detected, the devices involved in the collision must stop transmitting and wait for a random period of time before attempting to transmit again.
Full-duplex Ethernet, on the other hand, allows for simultaneous transmission and reception on a dedicated channel, eliminating the need for collision detection and enabling higher data transfer rates.
Therefore, options A and B, which suggest that the port is operating at either 10 Mb/s or 100 Mb/s, are both plausible answers, but option C, which suggests half-duplex operation, is the most likely.
Option D, which suggests full-duplex operation, is unlikely based on the statement that collision detection and carrier sensing are enabled, as these mechanisms are not used in full-duplex Ethernet networks.
Option E, which suggests that the port is on a network interface card in a PC, is not necessarily true based on the information provided. The port could be on any device connected to the shared twisted pair network, such as a switch or a router.