Which statement correctly describes the Cisco Integrated Services Routers module slot evolution from pre-ISR to ISR G2?
A. All platforms support WIC, VWIC, and VIC.
B. Older NM and NME modules can be used in the ISR G2 using an adapter.
C. All platforms support AIM modules.
D. Both, Cisco ISR and Cisco ISR G2 support PVDM2.
