What is the minimum Cisco IOS version that supports zone-based firewalls?

Posted by: Pdfprep Category: 210-260 Tags: CCNA Security, 210-260 exam questions, 210-260 practice exam Post Date: November 1, 2020

What is the minimum Cisco IOS version that supports zone-based firewalls?
A . 12.4(6)T
B . 15.1
C . 15.0
D . 12.1T

Answer: A