问题:
A . Static secure MAC addresses can be configured in conjunction with voice VLANs.
B . PortFast is automatically enabled when voice VLANs are configured.
C . PortFast must be manually configured when voice VLANs are configured.
D . Voice VLANs are typically configured on uplink ports.
E . Voice VLANs are typically configured on access ports.
● 参考解析
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