JN0-100單項選擇題每日一練(2019.01.26)

來源：考試資料網

1 Which statement is correct about the validate option when upgrading JUNOS software?（）

2 Which command allows viewing of only OSPF routes?（）

3 When performing password recovery, which command should be entered at the boot prompt?（）

4 Which major J-Web menu should you use to upgrade the JUNOS soft ware on the router？（）

5 After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）