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 IOS Software Firewall

C.
Cisco IOS Easy VPN

D.
Cisco ASA Hardware Firewall

E.
Cisco Intrusion Prevention System