A.Route tagging is one of the techniques used by RTBH
B.It is used for BGP authentication
C.It cannot work with static routes
D.It uses extended ACLs for blocking attacks by creating a black hole
E.Before configuring RTBH LDP must be enabled on the interface
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A.path monitoring
B.tandem connection monitoring activation deactivation （TCM ACT）
C.Payload Structure Identifier （PSI）
D.multiframe alignment signal （MFAS）
E.section monitoring
A.The tunnel that is not configured with the policy-class command acts as the default
B.EXP selection is between multiple tunnels to the same destination
C.There is no requirement for IGP extensions
D.Tunnels are configured using the policy-class command and carry multiple EXP values
E.It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching
A.VPI 16
B.DLCI
C.VPI and VCI
D.circuit number
E.PVC and SVC
A.never takes place
B.periodically
C.during switchover
D.after switchover
E.before switchover
A.It prevents message looping， Session Advertisement （SA）messages must be RPF checked
B.RPF check should be done against the route to the source S of the corresponding PIM-SM domain
C.RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA
D.RPF checking Session Advertisement （SA） messages will cause message looping
最新試題
Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）
Which statement about implementing the Cisco IPv6 provider Edge Router over MPLS is true？（）
Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）
Which two routers support cable access？（）
Which statement about VPLS is true？（）
What method of streaming live video is the least taxing on bandwidth in a large enterprise environment？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）
What layer of the TMN （telecommunications management network） model does CTM fit into？（）
In optical transmission systems， chirped lasers are used for the purpose of：（）.
Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）