多选题What happens when you enable QoS bandwidth detection? （）(Choose two.)ACircuit speed is reduced by 2% for overhead.BWAN speed can be configured to the LAN speed.CBandwidth is adjusted based on minimum and maximum settingsDWAN bandwidth is detected based
题目
多选题
What happens when you enable QoS bandwidth detection? （）(Choose two.)
A
Circuit speed is reduced by 2% for overhead.
B
WAN speed can be configured to the LAN speed.
C
Bandwidth is adjusted based on minimum and maximum settings
D
WAN bandwidth is detected based on acknowledgement of metapackets.