单项选择题
What is the purpose of the OSPF hello packet?（）
A.A B.B C.C D.D
多项选择题 What information do OSPF hello packets contain?（）
单项选择题 Which RIP configuration command allows the ERX Edge Router to send Unicast updates to configured neighbors?（）
单项选择题 What is the maximum number of equal-cost paths that can be configured for RIP on an ERX Edge Router?（）
