A large enterprise introduced a next generation firewall appliance into the Internet facing DMZ. All
Internet traffic passes through this appliance. Four hours after implementation the network
engineering team discovered that traffic through the DMZ now has un-acceptable latency, and is
recommending that the new firewall be taken offline. At what point in the implementation process

should this problem have been discovered?

A.
During the product selection phase

B.
When testing the appliance

C.
When writing the RFP for the purchase process

D.
During the network traffic analysis phase