What is the basis for purchasing Cortex XDR licensing?

A customer with a legacy firewall architecture is focused on port and protocol level security, and has heard that next generation firewalls open all ports by default. What is the appropriate rebuttal that positions the value of a NGFW over a legacy firewall?

What are three sources of malware sample data for the Threat Intelligence Cloud? (Choose three)

An endpoint, inside an organization, is infected with known malware. The malware attempts to make a command and control connection to a C&C server via the destination IP address.
Which mechanism prevent this connection from succeeding?

What is the HA limitation specific to the PA-200 appliance?