Which additional functionality does NetFlow provide?

Answer: B

Cisco Flexible NetFlow is Cisco’s next-generation flow technology. Flexible NetFlow provides enhanced optimization of the network infrastructure, reduces costs, and improves capacity planning and security detection beyond other flow based technologies available today.

Key advantages of Flexible NetFlow above traditional NetFlow?

• Flexibility, scalability, aggregation of flow data beyond today’s NetFlow.
• The ability to monitor a wider range of IP packet information from layer 2 to 7
• Enhanced network anomaly and security detection
• User configurable flow information to perform customized traffic identification and the ability to focus and monitor specific network behavior
• Convergence of multiple accounting technologies into one accounting mechanism