Palo Alto Networks Exam PCNSE Topic 8 Question 50 Discussion

The IT department has received complaints abou VoIP call jitter when the sales staff is making or receiving calls. QoS is enabled on all firewall interfaces, but there is no QoS policy written in the rulebase. The IT manager wants to find out what traffic is causing the jitter in real time when a user reports the jitter.

Which feature can be used to identify, in real time, the applications taking up the most bandwidth?