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
There are two cabling schemes to choose from when implementing a Cisco CRS-1 multishelf system：single-module cabling and multimodule cabling. What is the maximum capacity of the LCCs that aresupported in multimodule cabling？（）
Which option describes a benefits of IPv6 VPN Provider Edge？（）
Which Modular QoS CLI （MQC） based output queuing method is designed to support multiple trafficclasses including VoIP traffic， mission-critical traffic， interactive traffic， and default class traffic？（）
Which two statements about Layer 3 MPLS VPN are true？（）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
What are three common reasons for ATM CRC errors？（）
Which statement about multicast VPN is true？（）
Which three are advantages of SONET？（）
What is the BGP synchronization rule？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）