A network administrator is noticing slow responds times from the server to hosts on the network. After adding several new hosts, the administrator realizes that
CSMA/CD results in network slowness due to congestion at the server NIC. Which of the following should the network administrator do to correct the issue?

A. Add a honeypot to reduce traffic to the server
B. Update the Ethernet drivers to use 802.3
C. Add additional network cards to the server
D. Disable CSMA/CD on the network