多项选择题
Which two external authentication servers are supported for administrative access to a Junos device?（）
A. RADIUS B. LDAP C. ACE D. TACACS+
单项选择题 Which command is used to load the rescue configuration?（）
多项选择题 Referring to the exhibit, which two statements are true?（）
单项选择题 Which statement is true about logical units?（）
