A company moved its old port-based firewall to a new Palo Alto Networks NGFW 60 days ago.
Which utility should the company use to identify out-of-date or unused rules on the firewall?
A . Rule Usage Filter > No App Specified
B . Rule Usage Filter >Hit Count > Unused in 30 days
C . Rule Usage Filter > Unused Apps
D . Rule Usage Filter > Hit Count > Unused in 90 days
Answer: D