A.All CE devices emulate a bridge
B.All provider devices emulate a bridge
C.Hierarchical VPLS reduces signaling overhead
D.Each PE device emulates a bridge
E.Each CE device emulates a bridge
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A.TCP
B.UDP
C.HTTP
D.Multicast
A.It allows ITCM to send multiple upstream packets in one single large burst.
B.It reduces upstream data throughput.
C.It can be enabled/disabled from CMTS on per upstream port basis if desired
D.Concatenation activity on an interface can be checked by the show controller counters command
A.Turning the laser to a specific ITU channel
B.Keeping the signal wavelength "locked" to a specific technology
C.Suppressing FWM and SBS non-linear effects
D.None ofthe above
A.Network management layer
B.Element management layer
C.Business management layer
D.Network element layer
A.BPDU Guard
B.802.x
C.Port Security
D.Storm Control
最新試題
Which option describes a benefits of IPv6 VPN Provider Edge？（）
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 two statements about DS-Lite are true？（）
Which three are advantages of SONET？（）
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？（）
Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）
Which statement is FALSE concerning Concatenation？（）
All secure domain routers （SDRs） have shared attribute and resources. Which three resources are sharedall SDRs？ （）