单项选择题
What is periodically multicasted （every 10 seconds） by the DIS on a LAN to ensure IS-IS Link StateDatabase accuracy？（）
A.PSNP
B.CSNP
C.LSP
D.IIH
E.ISH
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相关考题
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单项选择题
WhatisusedtoprovidereadaccesstoQoSconfigurationandstatisticsinformationonCiscoplatformsthatsupportModularQoSCLI（MQC）？（）
A.Cisco NBAR Discovery
B.Cisco AutoQoS
C.Cisco Class-Based QoS MIB
D.Cisco SDM QoS Wizard
E.CDP -
单项选择题
Inaframe，theMPLSlabelisimposed（）.
A.After the Layer3 header and before Layer2 header
B.After the Layer2 header and before Layer3 header
C.Within the Layer 3 header
D.Before the layer 2 header -
多项选择题
WhichIOSfeaturesareusedtoavoidRoutingloopswhendynamicRoutingprotocolsareusedbetweenPEandCEinMPLS-VPNnetworks？（）
A.Site Of Origin SOO.
B.SHAM links with OSPF
C.BGP cost community
D.BGP feature allow-as in
E.RPF Reverse Path forwarding.
F.Access-list Control in Distance Vector protocol like RIP and EIGRP.
