A customer has a network of eight machines and wants to add a new machine to their network. The customer is currently using an eight port hub and has been experiencing lag time. Which of the following would be the BEST solution for the customer to optimize network performance?
A.
Add a second eight port hub.
B.
Upgrade to a sixteen port switch.
C.
Upgrade the hub’s firmware.
D.
Upgrade the network cabling infrastructure.