单项选择题
What is the requirement of Remote Triggered Black Hole （RTBH ） filtering？（）
A.IBGP updates exchange between trigger router and black hole router
B.EBGP updates exchange between trigger router and black hole router
C.OSPF updates exchange between trigger router and black hole router
D.ISIS updates exchange between trigger router and black hole router
相关考题
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多项选择题
WhichofthefollowingstatementsaboutMD5RoutingUpdatesauthenticationisvalid？（）
A.The MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128-bit hash
B.The MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hash
C.Multiple keys are supported
D.Routing updates packets are delivered in encrypted messages
E.Shared secret keys are delivered in encrypted messages -
单项选择题
WhatistheimportanceofusingVirtualOutputQueuesoningressLineCardsinahigh-endrouter？（）
A.Prevents head-of-line blocking
B.Uses less memory
C.Increases forwarding performance
D.Simplifies configuration -
单项选择题
InAnyTransportoverMPLS（AtoM）Controlwordisanoptional4-bytefieldusedinthepseudowirepacket.ThecontrolwordcarriesgenericandLayer2payload-specificinformationtoemulateL2packetscorrectly.Inpseudowirepacket，whereisthisControlWordinserted？（）
A.Inserted between the MPLS label stack and the Layer 3 payload
B.Inserted between the MPLS label stack and the Layer 3 Header
C.Inserted between the MPLS label stack and the Layer 2 payload
D.Inserted between the MPLS label stack and the Layer 2 header
