单项选择题
A. The router will use path1 when it is available and stable.
B. The router will use path3 when it is available and stable.
C. The router will attempt to establish path2 only when path1 and path3 are down.
D. The router will attempt to establish path1 only when path2 and path3 are down.
单项选择题 How many strict-high priority forwarding classes can be applied to a given interface on a non-IQ PIC?（）
单项选择题 What is required to enable the use of metrics larger then 63 for traffic engineering in IS-IS?（）
单项选择题 Which JUNOS software show command allows you to view BGP attributes for a given route?（）
