During voice implementation, which two required items are configured at an access layer
switch connected to an IP phone to provide VoIP communication? (Choose two.)
A.
allowed codecs
B.
native VLAN
C.
auxiliary VLAN
D.
Cisco Unified Communications Manager IP address
E.
RSTP
access port is a mini-trunk supporting the native untagged vlan for the PC and the tagged vlan for the telephone. The telephone vlan is called auxilary or helping vlan