单项选择题
What must be configured prior to the first commit after factory defaults are loaded?（）
A. root authentication B. default gateway C. hostname D. management services
单项选择题 What represents the binary equivalence of 207?（）
多项选择题 Whitch three user authentication methos are supported by the Junos OS?（）
单项选择题 What is the default import routing for OSPF?（）
