Implementing Cisco Network Security (IINS v3.0) (#123)

Which component offers a variety of security solutions, including firewall, IPS, VPN, antispyware, antivirus, and antiphishing features?

Cisco IOS router
Cisco ASA 5500-X Series Next Gen. Security appliance
Cisco 4200 series IPS appliance
Cisco ASA 5500 series security appliance