An administrator has just received a call from an end user saying they are unable to log in to the network, although they could yesterday. Overnight, the administrator replaced an ISA (Industry Standard Architecture) Token Ring card with a Token Ring PCI (Peripheral Component Interconnect) NIC (Network Interface Card) in the users computer on a 16 Mbps (Megabits per seconds) LAN (Local Area Network). What is the NEXT step?

A.
Verify the MAU (Multistation Access Unit) is good

B.
Verify the processor speed

C.
Verify the user password is correct

D.
Verify the speed of the NIC (Network Interface Card) matches the network