单项选择题
A.Following the traffic path
B.Top-down
C.Comparing configurations
D.Bottom-up
E.Divide and conquer
F.ExamineS LAs
多项选择题 Which two of the following descriptions are correct according to the displayed output of thecommand show ip bgp summary？（）
单项选择题 Which of the following topology situations would be a qood candidate for configuring DMVPN（）
多项选择题 Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to an interface（）