Which network characteristic should be considered, to provide the best network response?

Between their headquarters office in Chicago and a sales office in San Francisco, Certkiller .com is establishing a link. Which network characteristic should be considered, to provide the best network response?

A.
Network latency between Chicago and San Francisco

B.
The utilization of the Ethernet switches in the Chicago office

C.
CPU capacity of the Celerra Data Movers in San Francisco

D.
Bandwidth on the Chicago LAN