单项选择题
Which CLI command is used to examine whether an L2TP tunnel can be established for domain isp1.com?（）
A.l2tp tunnel test anyone@isp1.com B.test l2tp session anyone@isp1.com C.test l2tp tunnel anyone@isp1.com D.tunnel l2tp test anyone@isp1.com
单项选择题 Where are L2TP attributes configured on a LAC?（）
单项选择题 Which profile configurations allows either PAP or CHAP to be used for authentication?（）
多项选择题 You are configuring a PPP over Ethernet service offering.Which two type s of interfaces can be dynamically created with aprofile？（）
