engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Computer Networks Flow Control and Error Control Access Control
In an Ethernet local area network, which one of the following statements is TRUE?
1
A station stops to sense the channel once it starts transmitting a frame.
2
The purpose of the jamming signal is to pad the frames that are smaller than the minimum frame size.
3
A station continues to transmit the packet even after the collision is detected.
4
The exponential back-off mechanism reduces the probability of collision on retransmissions.