A User Is Reporting Poor Network Performance

Multiple Choice

A user is reporting poor network performance. A network technician starts by looking at port statistics on that user's connected switchport. The technician notices there is a high level of collisions on the port. Which of the following is the MOST likely cause?

A) The port or user's NIC is set to auto-MDIX.
B) The port and/or user's NIC is set to half-duplex.
C) The port and/or user's NIC is set to the wrong MTU.
D) The port and user's NIC are set to different speeds.