单项选择题
What is required to enable the use of metrics larger than 63 for traffic engineering in IS-IS？（）
A.Nothing， wide metrics are used by default in IS-IS
B.Enable wide-metrics-only under protocol IS-IS
C.Enable traffic-engineering under protocols IS-IS
D.Disable TVL’s 2 and 128 which carry the 6-bit metrics （0-63）.
相关考题
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单项选择题
WhichisastepintheJUNOSsoftwareCSPFalgorithm？（）
A.Prune links that are bidirectional.
B.Eliminate paths with insufficient MTU
C.Eliminate paths of more than 15 hops.
D.Prune links that do not contain the included administrative group. -
多项选择题
WhatarethreeRSVPmessages？（）
A.PathErr：Path error
B.ResvErr：Reservation error
C.PathConf：Path confirmation
D.ResvConf：Reservation confirmation -
单项选择题
WhatistheoptimizetimeronanRSVP-signaledLabel-SwitchedPath（LSP）？（）
A.the time it takes to identify the optimal path for the LSP
B.the interval at which the ingress router recalculates the LSP’s path
C.the time the ingress router takes to establish the primary path
D.the maximum number of times the ingress router tries to establish the primary path
