Before you upgrade a Palo Alto Networks NGFW, what must you do?

Before you upgrade a Palo Alto Networks NGFW, what must you do?
A . Make sure that the PAN-OS support contract is valid for at least another year
B. Export a device state of the firewall
C. Make sure that the firewall is running a version of antivirus software and a version of WildFire that support the licensed subscriptions.
D. Make sure that the firewall is running a supported version of the app + threat update

View Answer

Answer: D