What version of the Cisco PIX Firewall is required to use the VPN accelerator card? seenagape 10 years ago What version of the Cisco PIX Firewall is required to use the VPN accelerator card? A. version 5.3 or higher B. version 4.3 or higher C. version 6.3 or higher D. version 3.3 or higher E. version 2.3 or higher ← Previous question Next question →