多选题R1 and R2 exchange HSRP between each other in the Company network. In which three HSRP states do routers send hello messages？（）ALearnBSpeakCStandbyDListenEActiveFRemove
多选题
R1 and R2 exchange HSRP between each other in the Company network. In which three HSRP states do routers send hello messages？（）
A
Learn
B
Speak
C
Standby
D
Listen
E
Active
F
Remove
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