多项选择题
Which two statements about IS reachability TLV （TLV 2） and the extended IS reachability （TLV 22） are true？（）
A.TLV 22 supports wide metrics.
B.TLV 2 is only used in Level 1 routers.
C.TLV 22 displays the neighbor’s extended areas.
D.Only TLV 22 can support the inclusion of sub-TLVs.
E. Only TLV 22 can be flooded across L1/L2 boundaries.
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相关考题
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单项选择题
InIS-IS，howlongwilltherestarthelperkeeptherestartingrouterintheupstate？（）
A.The hello dead timer expires.
B.The restart duration timer expires.
C.The restarting router sets the down bit.
D.The restart helper sends out three CSNPs. -
单项选择题
WhatisthemaximummetricvaluethatcanbereportedinanarrowmetricTLV？（）
A.63
B.64
C.1023
D.1024
E.65535 -
单项选择题
AccordingtoJUNOSsoftwarerouteselectionalgorithm，whichIS-ISroutetypeismostpreferred？（）
A.Level 1 internal routes
B.Level 1 external routes
C.Level 2 internal routes
D.Level 2 external routes
