单项选择题
A. [edit chassis] user@router#
B. [edit] user@router#
C. [edit system] user@router#
D. user@router>
单项选择题 You are investigating routing problems on a device running the Junos OS. You receive the error shown in the exhibit when you attempt to restart the routing process. Which statement describes the problem?（）
多项选择题 Which two external authentication servers are supported for administrative access to a Junos device?（）
单项选择题 Which command is used to load the rescue configuration?（）