What are two security features of the Cisco Secure Router 500 Series? (Choose two

What are two security features of the Cisco Secure Router 500 Series? (Choose two.)

A.
Cisco Unified Wireless Networking

B.
Cisco Intrusion Prevention System

C.
Cisco ASA Hardware Firewall

D.
Cisco IOS Easy VPN

E.
Cisco IOS Software Firewall