You upgrade an operating system on a Cisco UCS C-Series Rack Server. After the upgrade, you discover that the performance of the server is much slower than expected. You verify that the operating system is on the Cisco support matrix for the rack server. Which two firmware types are the possible cause of the performance issue? (Choose two.)
A. fNIC
B. eNIC
C. mptspi
D. vNIC
E. vSwitch
