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？（）

多项选择题 With the CLI command profile atm 1483 bulk-config-name test atm-pppoe,which three statements describe its purpose and implementation?（）