单项选择题
When IPv6 is deployed by a Service Provider to bring on an IPv6 Enterprise， which transition strategyworks the best？（）
A.Deploy IPv6 at the Edges and tunnel Enterprise through the core
B.Deploy IPv6 at Edges and Core at the same time for smooth transition
C.Deploy IPv6 at the core first and then move to Edges toward the end customer
D.None of the above will work
相关考题
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单项选择题
AccordingtoRFC3931，L2TPv3utilizestheIANAassignedIPprotocolIDof（）.
A.121
B.115
C.110
D.101
E.151
F.51 -
单项选择题
Based on the following output in a router A running LDP， which statement is true？（）
A.None of the above.
B.The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor， 50.0.0.4.
C.The IP address 50.0.0.1/32 is assigned to one of its own interfaces.
D.The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor， 50.0.0.4. -
多项选择题
Whichofthefollowingarestepstoconfiguredestination-basedRemoteTriggeredBlackHole（RTBH）filtering？（）
A.Configure OSPF between trigger router and black hole routes
B.Configure all edge routers with static （reserved） host route to Null0
C.Configure BGP beteen trigger and black hole routers
D.Configure on trigger router to advertise victim host route with commumity
E.Activate black hole by redistributing route for victim into BGP with next-hop set to the static（reserved）host route configured on edge routers
