Free Palo Alto Networks PCNSC Exam Questions

Which feature allows you to use multiple links simultaneously to balance the load in a Palo Alto Networks firewall?

Which two log types are necessary to fully investigate a network intrusion? (Choose two) 

An existing customer who has deployed several Palo Alto Networks Next-Generation Firewalls would like to start using Device-ID to obtain policy rule recommendations They have also purchased a Support license, a Threat license a URL Filtering license, and a WildFire license for each firewall What additional license do they need to purchase"?

Which category of Vulnerability Signatures is most likely to trigger false positive alerts?