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?（）

单项选择题 Given the following policy, what happens when the 1.1/17 route is evaluated?（） [edit policy-options] policy-statement test { from { route-filter 0/0 orlonger accept; route-filter 1.1/17 upto /24 reject; route-filter 1.1/18 exact; } then { metric 6; accept; }