多项选择题
Which of the following ATOM traffic encapsulations require the use of a Control Word?()
A.Cell relay
B.aal5
C.Ethernet VLAN
D.Frame Relay
E.HDLC
F.PPP
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ThereisMPLSVPNtraffictraversingthroughaTEintermediaterouter.WhatistheMPLSpacketlabelstacksequence(fromoutertoinner)fortheVPNtrafficonthisrouter?()
A.TE label, IGP label, VPN label
B.IGP label, TE label, VPN label
C.TE label, VPN label, IGP label
D.VPN label, IGP label, TE label
E.IGP label, VPN label, TE label -
多项选择题
UnicastReversePathForwarding(Urpf)canworkinthefollowingmodes:()
A.Express mode
B.Strict mode
C.Loose mode
D.Tunnel mode
E.Safe mode -
多项选择题
SelectthethreevalidLMIextension.()
A.Multicasting
B.Global addressing
C.Forward-explicit congestion notification (FECN)
D.Virtual circuit status messages.
E.Backward-explicit congestion notification (BECN)
