Host A and Host B are connected to the same switch and Host

Host A and Host B are connected to the same switch, and Host A sends a message to Host B. When the switch starts receiving the bits, it reads the destination MAC address, determines the port Host B is on, and immediately opens a channel to that port while bits are still being received. Which switch mode is being used?

A. Cut through

B. Store and forward

C. Fragment free

D. Full duplex

Solution

Answer is A

Cut through switch mode is being used.

Store and forward switch is receive the entire frame frownding,so it us not correct.

Full duplex is also not correct,not aplly in this question.

Fragment free is also not correct,it reads 1st 64bytes of frame before delivering it occurre collision errors.

Correct Answer is Cut Through.