多选题Which three RP election mechanisms are available in a PIM-SM domain？（）AStaticBAuto-RPCDynamic-RPDBootstrap router
题目
多选题
Which three RP election mechanisms are available in a PIM-SM domain？（）
A
Static
B
Auto-RP
C
Dynamic-RP
D
Bootstrap router
Static
Auto-RP
Dynamic-RP
Bootstrap router