Which statement about ATM AAL5 over MPLS is true?

A.
It supports ATM signaling.

B.
It supports traffic shaping of packets in MPLS to the ATM path.

C.
It supports ATM switched virtual circuits

D.
It supports fragmentation and reassembly.

E.
It supports AAL5 SDU switching.

Explanation:
ReferencE. http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fsaal22.html#wp1015337
Restrictions
The following restriction apply to AAL5 over MPLS:
•The AAL5 over MPLS feature supports only AAL5 SDU switching.
•The following services are not supported with the AAL5 over MPLS feature:

–ATM switched virtual circuits (SVCs)
–ATM signaling
–Fragmentation and reassembly
–Traffic shaping of packets in the MPLS-to-ATM path
•The instructions for configuring AAL5 over MPLS in this feature module apply only to the Cisco
12000 series router for 12.0(21)ST. Avoid using these instructions for any other platform or
release.