单项选择题
Which JUNOS software operational-mode command displays the status of a Martini VPN?（）
A. show ldp neighbor B. show martini connections C. show l2circuit connections D. show l2vpn connections
多项选择题 Which three RP election mechanisms are available in a PIM-SM domain?（）
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?（）
