A.It adds the VPN label into the top label in the MPLS label stack
B.It replaces the top label in the MPLS label stack with a VPN label and propagates
C.It replaces the bottom label in the MPLS label stack with a VPN label and propagates
D.It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets
E.None of above
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A.Packet-based switching devices
B.VPI/VCI-based switching devices
C.Non-Packet-based devices
D.None of the above
E.A and B
A.TE middle point
B.TE tail end
C.TE head end
D.All TE nodes along the path
E.Independent server
A.0ms
B.10ms
C.500ms
D.1s
E.5s
F.30s
A.Site Of Origin SOO
B.Route-Target
C.Route-Distinguisher
D.Domain Identifier BGP extended commumity
A.router（config）#
B.router（config-if）#
C.router（config-vrf）#
D.router（config-router）#
E.router（config-router-af）#
最新試題
What layer of the TMN （telecommunications management network） model does CTM fit into？（）
Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
Which statement about VPLS is true？（）
What are three common reasons for ATM CRC errors？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）
Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）
Two islands of IPv6 networks that are running ISIS （IPv6 IGP） must be connected using a tunnel over anIPv4 network. Which tunneling method can be used to achieve this goal？（）
What is the BGP synchronization rule？（）
Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）
In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.