Question

a user notices that the data transfer rate for the gigabit nic in the user computer is much slower than expected. what is a possible cause for the problem?

Answer 1

If a user notices that the data transfer for the gigabit NIC in the user computer is much slower than expected then there may be several reasons for it's performance being slow. One of the most possible possibilities of the situation is that, the NIC  settings have been changed from a full-duplex mode to a half duplex mode.

Answer 2

Answer:

. One of the most possible possibilities of the situation is that, the NIC  settings have been changed from a full-duplex mode to a half duplex mode.