A.PPP over Ethernet
B.Cisco Express forwarding
C.MPLS traffic Engineering
D.IS-IS routing
E.Unicast Reverse Path Forwarding（uRPF）
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A.Version
B.Label
C.COS/EXP
D.TTL
E.S flag
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
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
最新試題
Which two routers support cable access？（）
Which statement about VPLS is true？（）
Which two statements about Layer 3 MPLS VPN are true？（）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
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？（）
Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）
Which option describes a benefits of IPv6 VPN Provider Edge？（）
Which of the following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy？（）
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？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）