多项选择题
Which three RP election mechanisms are available in a PIM-SM domain?（）
A. Static B. Auto-RP C. Dynamic-RP D. Bootstrap router E. Anycast-RP
单项选择题 Given the policy: Which routes will be accepted?（）
单项选择题 Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression?（）
单项选择题 In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?（）
