In a security-first network what is the recommended threshold value for content updates to be dynamically updated?

In a security-first network what is the recommended threshold value for content updates to be dynamically updated?
A . 1 to 4 hours
B . 6 to 12 hours
C . 24 hours
D . 36 hours

Answer: B

Explanation:

https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-admin/threat-prevention/best-practices-for-content-and-threat-content-updates/best-practices-security-first.html

Schedule content updates so that they download-and-install automatically. Then, set a Threshold that determines the amount of time the firewall waits before installing the latest content. In a security-first network, schedule a six to twelve hour threshold. https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-admin/threat-prevention/best-practices-for-content-and-threat-content-updates/best-practices-security-first.html#id184AH00F06E