When using an HP 6120G/XG Blade switch in the c7000 enclosure, which functionalities does the switch support? (Select three.)
A. Inter-VLAN communication using 802.3ad standard
B. communication within a VLAN using 802.1Q standard
C. IP routing using 802.1x standard
D. Quality of Service (QoS) based on 802.1p standard
E. Link Layer Discovery Protocol (LLDP) based on 802.1AB