The PVDM slots on the motherboard of the Cisco 2800 and 3800 ISR are used for what purpose?

A.
to support built-in VPN acceleration providing high-performance Crypto offload

B.
to support the high-performance AIM modules

C.
to support the onboard TDM switch

D.
to support the integrated DSPs for voice termination, conferencing and transcoding

E.
to support the EVM