The performance of WANs can be improved by:
a. upgrading the circuits between the computers
b. increasing the demand placed on the network
c. downgrading the circuits between the computers
d. downgrading the devices that provide access to the circuits
e. increasing network traffic
Answer: A
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.