What is the recommended way to ensure that firewalls have the most current set of signatures for up-to-date protection?

What is the recommended way to ensure that firewalls have the most current set of signatures for up-to-date protection?
A . Run a Perl script to regularly check for updates and alert when one is released
B. Monitor update announcements and manually push updates to Crewall
C. Store updates on an intermediary server and point all the firewalls to it
D. Use dynamic updates with the most aggressive schedule required by business needs

View Answer

Answer: D