What version of the Cisco PIX Firewall is required to use the VPN accelerator card? seenagape 11 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 →