A designer is working with a large bank to redesign their network. The designer wants to minimize
complaints regarding slow application response times across the WAN. It is suspected that
currently traffic is not being classified and marked correctly somewhere in the network. Which tool
should the designer recommend to validate quality of service mappings and use?

A.
SNMP

B.
IPFIX

C.
IP SLA

D.
protocol analyzer

E.
NBAR