Which feature should the engineer use to gather the required information?
A network engineer is notified that several employees are experiencing network performance related issues, and bandwidth-intensive applications are identified as the root cause. In order to identify which specific type of traffic is causing this slowness, information such as the source/destination IP and Layer 4 port numbers is required.
Which feature should the engineer use to gather the required information?
A. SNMP
B. Cisco IOS EEM
C. NetFlow
D. Syslog
E. WCCP
Answer: C