Which three services can be provided by Cisco ISR G2 access routers? (Choose three.)
A.
Cisco WAAS engine
B.
NX-based services
C.
video control unit services
D.
IP telephony with SIP trunking
E.
zone-based firewalling
F.
integrated video conferences
Explanation:
http://www.cisco.com/en/US/prod/collateral/routers/ps10537/white_paper_c11-636065.html