A.It is used for PIM control traffic
B.It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routers
C.Within the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sources
D.There is a reduced multicast state in the MPLS core P routers
E.When multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth
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A.Logging detect fail-login
B.Login on-failure log
C.Login detect login-failure log
D.Logging login on-failure
E.none of the above
A.GFC-4 bits of generic flow control
B.Forward-explicit congestion notification（FECN）
C.VCI-16 bits of virtual channel identifier
D.CLP-1 bit of congestion loss
E.HEC-8 bit of header error control
F.ATM Discard Eligibility（DE）bit
A.lowest cost
B.highest bandwidth
C.lowest hop-count
D.path attributes
E.lowest delay
A.It prevents message looping，Session Advertisement（SA）messages must be RPF checked
B.RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA
C.RPF checking Session Advertisement（SA）messages will cause message looping
D.RPF check should be done against the route to the source S of the corresponding PIM-SM domain
A.LDP and RSVP
B.RSVP and CEF
C.CEF and the FIB table
D.UDP and IP
E.A and B
最新試題
Which statement about multicast VPN 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 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 information is carried in the OSPFv3 intra-area Prefix LSA？（）
Which three things are the building blocks of the Cisco VPLS architecture？（）
Which two statements about DS-Lite are true？（）
Which statement about the use of Route Target Rewrite is true？（）
What layer of the TMN （telecommunications management network） model does CTM fit into？（）
In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.
Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）